Gateshead Birders

Birds Animals Insects Sites News & Gossip

Flora List

List of Flowering Flora

in Gateshead

Historical data from the

New Atlas of the British & Irish Flora
 
 
   

2004 - 2008

 2009
Last recorded Pre-1970 168 12 4
Last recorded 1970-1986 161 37 11
Last recorded 1987-1999 792 486 330
Discovered since 1999 17 12 5
Not in Atlas 4  2 1
EXTINCT 64 0 0
Total plants recorded 1206 549 351
 

 

Go to plants with scientific name starting with a letter by clicking the relevant letter below


A B C D E F G H I J K L M N O P Q R S T U V X Z
 
Species Last recorded Status
   2004 -2008

2009

 Notes
Abies alba (European Silver-fir) Pre-1970 Alien  
Abies grandis (Giant Fir) 1987-1999 Alien  
Acer campestre (Field Maple) 1987-1999 Native

 Yes

 a  
Acer platanoides (Norway Maple) 1987-1999 Alien    Yes a  
Acer pseudoplatanus (Sycamore) 1987-1999 Alien    Yes a  
Achillea millefolium (Yarrow) 1987-1999 Native  Yes a  
Achillea ptarmica (Sneezewort) 1987-1999 Native Yes    
Aconitum napellus sens. lat. (Monk's-hood) 1970-1986 Alien 2005 only     
Adonis annua (Pheasant's-eye) Pre-1970 Alien Extinct Extinct  
Adoxa moschatellina (Moschatel) 1987-1999 Native   Yes a  
Aegopodium podagraria (Ground-elder) 1987-1999 Alien    Yes a  
Aesculus carnea (Red Horse-chestnut) 1987-1999 Alien Yes    
Aesculus hippocastanum (Horse-chestnut) 1987-1999 Alien  Yes a  
Aethusa cynapium (Fool's Parsley) 1987-1999 Native   a  
Agrimonia eupatoria (Agrimony) 1987-1999 Native      
Agrostemma githago (Corncockle) 1987-1999 Alien  Yes    
Agrostis canina (Velvet Bent) 1987-1999 Native Yes    
Agrostis capillaris (Common Bent) 1987-1999 Native  Yes a  
Agrostis gigantea (Black Bent) 1987-1999 Alien      
Agrostis stolonifera (Creeping Bent) 1987-1999 Native Yes a  
Agrostis vinealis (Brown Bent) 1987-1999 Native      
Aira caryophyllea (Silver Hair-grass) 1987-1999 Native Yes    
Aira praecox (Early Hair-grass) 1987-1999 Native   a  
Ajuga reptans (Bugle) 1987-1999 Native  Yes a  
Alchemilla acutiloba (Alchemilla acutiloba) Pre-1970 Native      
Alchemilla alpina (Alpine Lady's-mantle) Pre-1970 Alien      
Alchemilla conjuncta (Silver Lady's-mantle) 1970-1986 Alien Extinct Extinct  Last seen 1990 - Watergate Pit - now destroyed.
Alchemilla filicaulis subsp. vestita (Hairy Lady's Mantle) 1970-1986 Native Yes    
Alchemilla glabra (Smooth Lady's Mantle) 1987-1999 Native 2007 only    
Alchemilla mollis (Garden Lady's-mantle) 1987-1999 Alien Yes a Kibblesworth - Lamesley - Timber Beach
Alchemilla xanthochlora (Intermediate Lady's Mantle) 1987-1999 Native      
Alisma plantago-aquatica (Water-plantain) 1987-1999 Native  Yes a  
Alliaria petiolata (Garlic Mustard) 1987-1999 Native  Yes a  
Allium carinatum (Keeled Garlic) 1987-1999 Alien      
Allium cepa (Onion) 1987-1999 Alien      
Allium oleraceum (Field Garlic) 1987-1999 Native      
Allium paradoxum (Few-flowered Garlic) 1987-1999 Alien      Ryton Churchyard
Allium scorodoprasum (Sand Leek) 1987-1999 Native      Wylam Bridge - Clara Vale - abundant
Allium triquetrum (Three-cornered Garlic) 1987-1999 Alien      
Allium ursinum (Ramsons) 1987-1999 Native   Yes a  
Allium vineale (Wild Onion) 1987-1999 Native      
Alnus cordata (Italian Alder) 1987-1999 Alien      
Alnus glutinosa (Alder) 1987-1999 Native  Yes a  
Alnus incana (Grey Alder) 1987-1999 Alien  Yes a  
Alopecurus geniculatus (Marsh Foxtail) 1987-1999 Native  Yes    
Alopecurus pratensis (Meadow Foxtail) 1987-1999 Native  Yes a  
Amaranthus retroflexus (Common Amaranth) Pre-1970 Alien      
Ammi majus (Bullwort) 1970-1986 Alien      
Ammophila arenaria (Marram) 1987-1999 Native      
Anacamptis pyramidalis (Pyramidal Orchid) Pre-1970 Native      
Anagallis arvensis (Scarlet Pimpernel) 1987-1999 Native Yes a  
Anagallis arvensis subsp. foemina (Blue Pimpernel) Pre-1970 Alien      
Anagallis minima (Chaffweed) Pre-1970 Native      
Anagallis tenella (Bog Pimpernel) Pre-1970 Native Extinct Extinct  
Anchusa arvensis (Bugloss) 1987-1999 Alien 2004 only a  
Anemone nemorosa (Wood Anemone) 1987-1999 Native  Yes a  
Angelica archangelica (Garden Angelica) 1987-1999 Alien      
Angelica sylvestris (Wild Angelica) 1987-1999 Native Yes a  
Anisantha diandra (Great Brome) Pre-1970 Alien   a Kibblesworth brickworks pools 2009
Anisantha madritensis (Compact Brome) Pre-1970 Alien      
Anisantha sterilis (Barren Brome) 1987-1999 Alien Yes a
Anthemis arvensis (Corn Chamomile) 1970-1986 Alien      
Anthemis cotula (Stinking Chamomile) 1970-1986 Alien      
Anthemis tinctoria (Yellow Chamomile) Pre-1970 Alien      
Anthoxanthum odoratum (Sweet Vernal-grass) 1987-1999 Native  Yes a  
Anthriscus sylvestris (Cow Parsley) 1987-1999 Native   Yes a  
Anthyllis vulneraria (Kidney Vetch) 1987-1999 Native   Yes a  
Antirrhinum majus (Snapdragon) Pre-1970 Alien      
Apera spica-venti (Loose Silky-bent) 1970-1986 Alien      
Aphanes arvensis (Parsley-piert) 1987-1999 Native      
Aphanes australis (Slender Parsley-piert) 1970-1986 Native      
Apium graveolens (Wild Celery) 1987-1999 Native 2005 only    
Apium inundatum (Lesser Marshwort) Pre-1970 Native Extinct Extinct  
Apium nodiflorum (Fool's-water-cress) 1987-1999 Native      
Aquilegia vulgaris (Columbine) 1987-1999 Native      
Arabidopsis thaliana (Thale Cress) 1987-1999 Native   Yes a  
Arabis caucasica (Garden Arabis) Not in Atlas Alien      Burnthouse/Hole Lane, Sunniside 1987-1991 at least.
Arabis glabra (Tower Mustard) Pre-1970 Native Extinct Extinct  
Arabis hirsuta (Hairy Rock-cress) Pre-1970 Native Extinct Extinct  
Arctium minus sens. lat. (Lesser Burdock) 1987-1999 Native  Yes a  
Arenaria balearica (Mossy Sandwort) Pre-1970 Alien      
Arenaria serpyllifolia subsp. serpyllifolia (Thyme-leaved Sandwort) 1987-1999 Native Yes    
Arenaria serpyllifolia subsp.leptocladus 1970-1986 Native      
Argemone mexicana (Mexican Poppy) Pre-1970 Alien      
Armeria maritima (Thrift) 1987-1999 Native      
Armoracia rusticana (Horse-radish) 1987-1999 Alien      
Arrhenatherum elatius (False Oat-grass) 1987-1999 Native  Yes a  
Artemisia absinthium (Wormwood) 1987-1999 Alien      
Artemisia verlotiorum (Chinese Mugwort) 1987-1999 Alien      
Artemisia vulgaris (Mugwort) 1987-1999 Alien  Yes a  
Arum maculatum (Lords-and-Ladies) 1987-1999 Native  Yes a  
Asparagus officinalis subsp.officinalis (Garden Asparagus) 1987-1999 Alien      
Asperula arvensis (Blue Woodruff) Pre-1970 Alien      
Asplenium adiantum-nigrum (Black Spleenwort) 1987-1999 Native Yes a  
Asplenium marinum (Sea Spleenwort) 1987-1999 Native      
Asplenium ruta-muraria (Wall-rue) 1987-1999 Native      
Asplenium trichomanes (Maidenhair Spleenwort) 1987-1999 Native      
Asplenium trichomanes subsp.quadrivalens 1987-1999 Native   a  
Asplenium viride (Green Spleenwort) 1970-1986 Native      
Aster (alien N. American Michaelmas-daisies) 1987-1999 Alien      
Aster novi-belgii (Confused Michaelmas-daisy) 1987-1999 Alien Yes    
Aster tripolium (Sea Aster) 1987-1999 Native  Yes    
Astragalus danicus (Purple Milk-vetch) 1987-1999 Native      
Astragalus glycyphyllos (Wild Liquorice) Pre-1970 Native Extinct Extinct  
Athyrium filix-femina (Lady-fern) 1987-1999 Native Yes    
Atriplex hortensis (Garden Orache) Pre-1970 Alien      
Atriplex littoralis (Grass-leaved Orache) 1987-1999 Native      
Atriplex patula (Common Orache) 1987-1999 Native  Yes a  
Atriplex portulacoides (Sea-purslane) Pre-1970 Native      
Atriplex prostrata (Spear-leaved Orache) 1987-1999 Native Yes    
Atropa belladonna (Deadly Nightshade) 1987-1999 Alien      
Aurinia Saxatilis (Golden Alison) Not in Atlas Alien     Last seen 1989,Garden escape, established near Sunniside Park
Avena fatua (Wild-oat) 1970-1986 Alien Yes    Every year since 2003
Avena sativa (Oat) 1970-1986 Alien      
Avena strigosa (Bristle Oat) Pre-1970 Alien      
Azolla filiculoides (Water Fern) 1987-1999 Alien      Bradley Hall Pond since 1960 & nearby Sled Lane Pond.
Baldellia ranunculoides (Lesser Water-plantain) Pre-1970 Native Extinct Extinct  A marsh at Birtley 1920
Ballota nigra (Black Horehound) 1987-1999 Alien Yes a  
Barbarea intermedia (Medium-flowered Winter-cress) 1970-1986 Alien  Yes   2004 only - Burdon Moor
Barbarea verna (American Winter-cress) Pre-1970 Alien      
Barbarea vulgaris (Winter-cress) 1987-1999 Native  Yes a  
Bellis perennis (Daisy) 1987-1999 Native   Yes a  
Berberis darwinii x B. empetrifolia (Hedge Barberry) 1970-1986 Alien      
Berberis vulgaris (Barberry) 1987-1999 Native      
Berteroa incana (Hoary Alison) Pre-1970 Alien      
Berula erecta (Lesser Water-parsnip) 1987-1999 Native Yes    
Beta vulgaris subsp. maritima (Sea Beet) Pre-1970 Native Extinct Extinct  
Betula pendula (Silver Birch) 1987-1999 Native Yes a  
Betula pendula x B. pubescens  1987-1999 Native      
Betula pubescens (Downy Birch) 1987-1999 Native  Yes a  
Bidens cernua (Nodding Bur-marigold) Pre-1970 Native Extinct Extinct  
Bidens tripartita (Trifid Bur-marigold) Pre-1970 Native Extinct Extinct  
Blackstonia perfoliata (Yellow-wort) 1987-1999 Native  Yes a  
Blechnum spicant (Hard-fern) 1987-1999 Native Yes    
Blysmus compressus (Flat-sedge) Pre-1970 Native Extinct Extinct  
Bolboschoenus maritimus (Sea Club-rush) 1987-1999 Native      
Borago officinalis (Borage) 1987-1999 Alien      
Botrychium lunaria (Moonwort) Pre-1970 Native      
Brachypodium pinnatum (Tor-grass) 1970-1986 Native  Yes    
Brachypodium sylvaticum (False Brome) 1987-1999 Native  Yes    
Brassica juncea (Chinese Mustard) 1970-1986 Alien      
Brassica napus (Rape) 1987-1999 Alien Yes a  
Brassica nigra (Black Mustard) 1987-1999 Native      
Brassica oleracea (Cabbage) 1987-1999 Alien      
Brassica rapa (Turnip) 1987-1999 Alien Yes    
Briza media (Quaking-grass) 1987-1999 Native  Yes    
Bromopsis erecta (Upright Brome) 1987-1999 Native      
Bromopsis inermis (Hungarian Brome) 1987-1999 Alien      
Bromopsis ramosa (Hairy-brome) 1987-1999 Native Yes a  
Bromus arvensis (Field Brome) Pre-1970 Alien      
Bromus hordeaceus (Soft-brome) 1987-1999 Native Yes a  
Bromus hordeaceus x B. lepidus (Lesser Soft-brome) 1987-1999 Alien      
Bromus secalinus (Rye Brome) Pre-1970 Alien      
Bryonia dioica (White Bryony) 1970-1986 Native Yes     1987 & 2008
Buddleja davidii (Butterfly-bush) 1987-1999 Alien  Yes a  
Bunias orientalis (Warty-cabbage) Pre-1970 Alien      
Bupleurum rotundifolium (Thorow-wax) Pre-1970 Alien      
Bupleurum subovatum (False Thorow-wax) Pre-1970 Alien      
Cakile maritima (Sea Rocket) 1970-1986 Native      
Calamagrostis epigejos (Wood Small-reed) 1987-1999 Native      
Calendula officinalis (Pot Marigold) 1970-1986 Alien      
Callitriche hamulata sens. lat. (Intermediate Water-starwort) 1987-1999 Native  Yes    
Callitriche hermaphroditica (Autumnal Water-starwort) Pre-1970 Native      
Callitriche obtusangula (Blunt-fruited Water-starwort) Pre-1970 Native      
Callitriche platycarpa (Various-leaved Water-starwort) 1987-1999 Native      
Callitriche stagnalis sens. lat. (Common Water-starwort) 1987-1999 Native      
Calluna vulgaris (Heather) 1987-1999 Native   Yes a  
Caltha palustris (Marsh-marigold) 1987-1999 Native   Yes a  
Calystegia sepium (Hedge Bindweed) 1987-1999 Native Yes a  
Calystegia silvatica (Large Bindweed) 1987-1999 Alien Yes a  
Calystegia soldanella (Sea Bindweed) 1987-1999 Native      
Camelina sativa (Gold-of-pleasure) Pre-1970 Alien      
Campanula glomerata (Clustered Bellflower) Pre-1970 Native Extinct Extinct  
Campanula latifolia (Giant Bellflower) 1987-1999 Native      
Campanula persicifolia (Peach-leaved Bellflower) 1987-1999 Alien      
Campanula poscharskyana  (Trailing Bellflower) Recorded since 1999 Alien     First record 2009
Campanula rapunculoides (Creeping Bellflower) 1970-1986 Alien      
Campanula rotundifolia (Harebell) 1987-1999 Native Yes a  
Capsella bursa-pastoris (Shepherd's-purse) 1987-1999 Alien  Yes a  
Cardamine amara (Large Bitter-cress) 1987-1999 Native Yes    
Cardamine flexuosa (Wavy Bitter-cress) 1987-1999 Native   Yes a  
Cardamine hirsuta (Hairy Bitter-cress) 1987-1999 Native   Yes a  
Cardamine pratensis (Cuckooflower) 1987-1999 Native   Yes a  
Carduus crispus (Welted Thistle) 1987-1999 Native Yes a  
Carduus crispus x C. nutans 1987-1999 Native      
Carduus nutans (Musk Thistle) 1987-1999 Native   Yes  
Carduus tenuiflorus (Slender Thistle) Pre-1970 Native Extinct Extinct  
Carex acuta (Slender Tufted-sedge) 1987-1999 Native      
Carex acutiformis (Lesser Pond-sedge) 1987-1999 Native   a  
Carex arenaria (Sand Sedge) 1987-1999 Native      
Carex binervis (Green-ribbed Sedge) 1987-1999 Native Yes    
Carex caryophyllea (Spring-sedge) 1987-1999 Native Yes a  
Carex curta (White Sedge) 1987-1999 Native      
Carex dioica (Dioecious Sedge) Pre-1970 Native Extinct Extinct  
Carex distans (Distant Sedge) Pre-1970 Native Extinct Extinct  
Carex disticha (Brown Sedge) 1987-1999 Native   a  
Carex echinata (Star Sedge) 1987-1999 Native      
Carex flacca (Glaucous Sedge) 1987-1999 Native Yes a  
Carex hirta (Hairy Sedge) 1987-1999 Native  Yes    
Carex hostiana (Tawny Sedge) 1970-1986 Native      
Carex laevigata (Smooth-stalked Sedge) 1987-1999 Native      Chopwell Woods
Carex lasiocarpa (Slender Sedge) Pre-1970 Native Extinct Extinct  
Carex maritima (Curved Sedge) Pre-1970 Native Extinct Extinct  
Carex muricata subsp. lamprocarpa (Small-fruited Prickly-sedge) Pre-1970 Native Extinct Extinct  
Carex nigra (Common Sedge) 1987-1999 Native  Yes    
Carex otrubae (False Fox-sedge) 1987-1999 Native  Yes a  
Carex ovalis (Oval Sedge) 1987-1999 Native Yes    
Carex pallescens (Pale sedge) 1987-1999 Native Yes  
Carex panicea (Carnation Sedge) 1987-1999 Native  Yes    
Carex paniculata (Greater Tussock-sedge) 1987-1999 Native Yes a  
Carex pendula (Pendulous Sedge) 1987-1999 Native   Yes a  
Carex pilulifera (Pill Sedge) 1987-1999 Native      
Carex pulicaris (Flea Sedge) 1970-1986 Native      
Carex remota (Remote Sedge) 1987-1999 Native  Yes    
Carex riparia (Greater Pond-sedge) 1987-1999 Native Yes a  
Carex rostrata (Bottle Sedge) 1987-1999 Native      
Carex spicata (Spiked Sedge) 1970-1986 Native  Yes    Still at one site in 2003. 3 sites 2004
Carex sylvatica (Wood-sedge) 1987-1999 Native      
Carex vesicaria (Bladder-sedge) 1987-1999 Native      
Carex viridula subsp. brachyrrhyncha 1970-1986 Native      
Carex viridula subsp. oedocarpa 1987-1999 Native      
Carlina vulgaris (Carline Thistle) 1987-1999 Native      
Carpinus betulus (Hornbeam) 1987-1999 Native  Yes a  
Carthamus tinctorius (Safflower) Pre-1970 Alien      
Carum carvi (Caraway) Pre-1970 Alien      
Castanea sativa (Sweet Chestnut) 1987-1999 Alien      
Catabrosa aquatica (Whorl-grass) Pre-1970 Native Extinct Extinct  
Catapodium marinum (Sea Fern-grass) 1987-1999 Native      
Catapodium rigidum (Fern-grass) 1987-1999 Native  Yes    
Cedrus atlantica (Atlas Cedar) 1987-1999 Alien      
Cedrus deodara (Deodar) 1987-1999 Alien      
Cedrus libani (Cedar-of-Lebanon) 1987-1999 Alien      
Centaurea calcitrapa (Red Star-thistle) Pre-1970 Alien      
Centaurea cyanus (Cornflower) 1987-1999 Alien      Last wild record - Birtley Fell 1942
Centaurea diluta (Lesser Star-thistle) 1970-1986 Alien      St. Cuthbert's churchyard 1973
Centaurea montana (Perennial Cornflower) 1970-1986 Alien  Yes a  
Centaurea nigra (Common Knapweed) 1987-1999 Native   Yes a
Centaurea scabiosa (Greater Knapweed) 1987-1999 Native Yes a  
Centaurium erythraea (Common Centaury) 1987-1999 Native  Yes a  
Centranthus ruber (Red Valerian) 1987-1999 Alien  Yes a  
Cephalaria gigantea (Giant Scabious) 1987-1999 Alien      
Cerastium arvense (Field Mouse-ear) 1970-1986 Native      
Cerastium diffusum (Sea Mouse-ear) 1987-1999 Native      
Cerastium fontanum (Common Mouse-ear) 1987-1999 Native  Yes a  
Cerastium glomeratum (Sticky Mouse-ear) 1987-1999 Native  Yes    
Cerastium semidecandrum (Little Mouse-ear) 1987-1999 Native   Yes    
Cerastium tomentosum (Snow-in-summer) 1987-1999 Alien  Yes a  
Ceratocapnos claviculata (Climbing Corydalis) 1987-1999 Native  Yes    
Ceratochloa carinata (California Brome) 1970-1986 Alien      
Ceratophyllum demersum (Rigid Hornwort) 1987-1999 Native      
Ceterach officinarum (Rustyback) 1987-1999 Native      
Chaenorhinum minus (Small Toadflax) 1970-1986 Alien  Yes    
Chaerophyllum temulum (Rough Chervil) 1987-1999 Native Yes a
Chamaecyparis lawsoniana (Lawson's Cypress) 1987-1999 Alien Yes    
Chamaemelum nobile (Chamomile) Pre-1970 Alien      
Chamerion angustifolium (Rosebay Willowherb) 1987-1999 Native  Yes a  
Chelidonium majus (Greater Celandine) 1987-1999 Alien Yes    
Chenopodium album agg. (Fat-hen) 1987-1999 Native  Yes    
Chenopodium bonus-henricus (Good-King-Henry) 1987-1999 Alien      
Chenopodium ficifolium (Fig-leaved Goosefoot) Pre-1970 Alien      
Chenopodium glaucum (Oak-leaved Goosefoot) Pre-1970 Alien      
Chenopodium hybridum (Maple-leaved Goosefoot) Pre-1970 Alien      
Chenopodium murale (Nettle-leaved Goosefoot) 1970-1986 Alien      In Sunniside front street area until at least 1990
Chenopodium rubrum (Red Goosefoot) 1970-1986 Native      
Chenopodium vulvaria (Stinking Goosefoot) Pre-1970 Alien      
Chrysanthemum segetum (Corn Marigold) Pre-1970 Alien      
Chrysosplenium alternifolium (Alternate-leaved Golden-saxifrage) 1970-1986 Native Yes    
Chrysosplenium oppositifolium (Opposite-leaved Golden-saxifrage) 1987-1999 Native   Yes a  
Cicerbita macrophylla (Common Blue-sow-thistle) 1970-1986 Alien      
Cichorium intybus (Chicory) 1987-1999 Alien      
Circaea alpina x C. lutetiana (Upland Enchanter's-nightshade) Pre-1970 Native      
Circaea lutetiana (Enchanter's-nightshade) 1987-1999 Native Yes    
Cirsium arvense (Creeping Thistle) 1987-1999 Native  Yes a  
Cirsium eriophorum (Woolly Thistle) 1987-1999 Native      
Cirsium heterophyllum (Melancholy Thistle) 1987-1999 Native    
Cirsium palustre (Marsh Thistle) 1987-1999 Native  Yes a  
Cirsium vulgare (Spear Thistle) 1987-1999 Native  Yes a  
Claytonia perfoliata (Springbeauty) 1987-1999 Alien      
Claytonia sibirica (Pink Purslane) 1987-1999 Alien      
Clematis vitalba (Traveller's-joy) 1987-1999 Alien      
Clinopodium acinos (Basil Thyme) Pre-1970 Native Extinct Extinct  
Clinopodium vulgare (Wild Basil) 1987-1999 Native Yes    
Cochlearia anglica (English Scurvygrass) 1987-1999 Native   a  
Cochlearia Danica (Danish Scurvygrass) Recorded since 1999 Native    Yes a Now quite common by salted roads
Cochlearia officinalis agg. (Common Scurvygrass) 1987-1999 Native    Yes a  
Cochlearia pyrenaica (Pyrenean Scurvygrass) 1987-1999 Native Yes    
Coeloglossum viride (Frog Orchid) Pre-1970 Native      
Coincya monensis subsp. cheiranthos (Wallflower Cabbage) Pre-1970 Alien      
Colutea arborescens (Bladder-senna) 1970-1986 Alien      
Conium maculatum (Hemlock) 1987-1999 Alien  Yes a  
Conopodium majus (Pignut) 1987-1999 Native  Yes    
Convallaria majalis (Lily-of-the-valley) 1987-1999 Native      
Convolvulus arvensis (Field Bindweed) 1987-1999 Native  Yes a  
Conyza canadensis (Canadian Fleabane) 1987-1999 Alien      
Coriandrum sativum (Coriander) Pre-1970 Alien      
Cornus sanguinea (Dogwood) 1987-1999 Native      
Cornus sericea (Red-osier Dogwood) 1970-1986 Alien      
Coronilla valentina (Shrubby Scorpion-vetch) Pre-1970 Alien      
Coronopus didymus (Lesser Swine-cress) Pre-1970 Alien 2008 Only    
Coronopus squamatus (Swine-cress) 1987-1999 Alien      
Corylus avellana (Hazel) 1987-1999 Native   Yes a  
Cotoneaster dielsianus (Diel's Cotoneaster) 1987-1999 Alien      
Cotoneaster frigidus (Tree Cotoneaster) 1987-1999 Alien      
Cotoneaster microphyllus agg. (Small-leaved Cotoneasters) 1987-1999 Alien  Yes a  
Cotoneaster simonsii (Himalayan Cotoneaster) 1987-1999 Alien  Yes    
Crassula helmsii (New Zealand Pigmyweed) 1987-1999 Alien      
Crataegus monogyna (Hawthorn) 1987-1999 Native  Yes a  
Crepis biennis (Rough Hawk's-beard) 1970-1986 Alien      
Crepis capillaris (Smooth Hawk's-beard) 1987-1999 Native  Yes a  
Crepis foetida (Stinking Hawk's-beard) Pre-1970 Alien      
Crepis paludosa (Marsh Hawk's-beard) 1987-1999 Native      
Crocosmia aurea x C. pottsii (Montbretia) 1970-1986 Alien      
Crocus vernus (Spring Crocus) Pre-1970 Alien  Yes    Several established clumps 1988-2004
Cruciata laevipes (Crosswort) 1987-1999 Native  Yes a  
Cryptogramma crispa (Parsley Fern) Pre-1970 Native Extinct Extinct  
Cryptomeria japonica (Japanese Red-cedar) Pre-1970 Alien      
Cuminum cyminum (Cumin) Pre-1970 Alien      
Cymbalaria muralis (Ivy-leaved Toadflax) 1987-1999 Alien  Yes a  
Cynodon dactylon (Bermuda-grass) Pre-1970 Alien      
Cynoglossum officinale (Hound's-tongue) Pre-1970 Native Extinct Extinct  
Cynosurus cristatus (Crested Dog's-tail) 1987-1999 Native  Yes   a  
Cynosurus echinatus (Rough Dog's-tail) Pre-1970 Alien      
Cystopteris fragilis (Brittle Bladder-fern) 1987-1999 Native      1 extant site
Cytisus scoparius (Broom) 1987-1999 Native  Yes a  
Dactylis glomerata (Cock's-foot) 1987-1999 Native   Yes a  
Dactylorhiza fuchsii (Common Spotted-orchid) 1987-1999 Native  Yes a  
Dactylorhiza fuchsii x D. purpurella 1987-1999 Native Yes a  
Dactylorhiza incarnata (Early Marsh-orchid) 1970-1986 Native      
Dactylorhiza maculata (Heath Spotted-orchid) 1970-1986 Native      
Dactylorhiza maculata x D. purpurella 1987-1999 Native      
Dactylorhiza praetermissa (Southern Marsh-orchid) Not in Atlas Native Extinct Extinct  Last seen 2001, extinct? 
Dactylorhiza praetermissa x D. purpurella Not in Atlas Native Extinct Extinct  Last seen 2003, extinct? 
Dactylorhiza purpurella (Northern Marsh-orchid) 1987-1999 Native Yes a  
Danthonia decumbens (Heath-grass) 1987-1999 Native      
Daphne laureola (Spurge-laurel) 1970-1986 Native      
Daucus carota (Wild Carrot) 1987-1999 Native Yes a  
Deschampsia cespitosa (Tufted Hair-grass) 1987-1999 Native  Yes a  
Deschampsia flexuosa (Wavy Hair-grass) 1987-1999 Native      
Descurainia sophia (Flixweed) 1970-1986 Alien      Old railway track at Shibdon Pond
Dianthus deltoides (Maiden Pink) Pre-1970 Native      
Dicentra eximia (Turkey-corn) Recorded since 1999 Alien 2008   Naturalised in Chopwell Woods
Digitalis purpurea (Foxglove) 1987-1999 Native  Yes a  
Diplotaxis muralis (Annual Wall-rocket) 1987-1999 Alien      
Diplotaxis tenuifolia (Perennial Wall-rocket) 1987-1999 Alien   Yes a  
Dipsacus fullonum (Wild Teasel) 1987-1999 Native  Yes    
Doronicum pardalianches (Leopard's-bane) 1987-1999 Alien  Yes a  
Dryopteris affinis (Scaly Male-fern) 1987-1999 Native  Yes    
Dryopteris affinis x D. filix-mas (Von Tavel's Male Fern) 1970-1986 Native      Chopwell House 1973
Dryopteris carthusiana (Narrow Buckler-fern) 1987-1999 Native      
Dryopteris carthusiana x D. dilatata 1987-1999 Native      
Dryopteris dilatata (Broad Buckler-fern) 1987-1999 Native  Yes    
Dryopteris filix-mas (Male-fern) 1987-1999 Native  Yes    
Echinops sphaerocephalus (Glandular Globe-thistle) 1970-1986 Alien      Friar's Goose Tip 1973
Echium vulgare (Viper's-bugloss) 1987-1999 Native  Yes    
Eleocharis acicularis (Needle Spike-rush) Pre-1970 Native      
Eleocharis multicaulis (Many-stalked Spike-rush) Pre-1970 Native      
Eleocharis palustris (Common Spike-rush) 1987-1999 Native  Yes a  
Eleocharis quinqueflora (Few-flowered Spike-rush) Pre-1970 Native Extinct Extinct  
Eleocharis uniglumis (Slender Spike-rush) Pre-1970 Native Extinct Extinct  
Eleogiton fluitans (Floating Club-rush) Pre-1970 Native Extinct Extinct  
Elodea canadensis (Canadian Waterweed) 1987-1999 Alien  Yes    
Elymus caninus (Bearded Couch) 1987-1999 Native      
Elytrigia atherica (Sea Couch) 1987-1999 Native      
Elytrigia juncea (Sand Couch) 1987-1999 Native      
Elytrigia juncea x E. repens   1970-1986 Native      
Elytrigia repens (Common Couch) 1987-1999 Native  Yes a  
Empetrum nigrum (Crowberry) 1970-1986 Native      
Epilobium brunnescens (New Zealand Willowherb) 1970-1986 Alien      
Epilobium ciliatum (American Willowherb) 1987-1999 Alien Yes    
Epilobium ciliatum x E. montanum  1987-1999 Native      
Epilobium hirsutum (Great Willowherb) 1987-1999 Native  Yes a  
Epilobium montanum (Broad-leaved Willowherb) 1987-1999 Native  Yes a  
Epilobium obscurum (Short-fruited Willowherb) 1987-1999 Native  Yes a  
Epilobium palustre (Marsh Willowherb) 1987-1999 Native Yes    
Epilobium parviflorum (Hoary Willowherb) 1987-1999 Native  Yes a  
Epilobium tetragonum (Square-stalked Willowherb) Pre-1970 Native      
Epipactis helleborine (Broad-leaved Helleborine) 1987-1999 Native Yes    
Epipactis leptochila (Narrow-lipped Helleborine) 1987-1999 Native    
Epipactis youngiana (Young's Helleborine) 1987-1999 Native      
Equisetum arvense (Field Horsetail) 1987-1999 Native   Yes a  
Equisetum arvense x E. fluviatile (Shore Horsetail) 1987-1999 Native      
Equisetum fluviatile (Water Horsetail) 1987-1999 Native Yes    
Equisetum hyemale (Rough Horsetail) 1987-1999 Native   Yes    
Equisetum palustre (Marsh Horsetail) 1987-1999 Native  Yes    
Equisetum sylvaticum (Wood Horsetail) 1987-1999 Native  Yes a  
Equisetum telmateia (Great Horsetail) 1987-1999 Native Yes a  
Erica cinerea (Bell Heather) 1987-1999 Native      
Erica tetralix (Cross-leaved Heath) 1987-1999 Native      
Erigeron acer (Blue Fleabane) 1987-1999 Native 2004 only a and 2009
Erinus alpinus (Fairy Foxglove) 1970-1986 Alien      
Eriophorum angustifolium (Common Cottongrass) 1987-1999 Native      
Eriophorum vaginatum (Hare's-tail Cottongrass) 1987-1999 Native      
Erodium cicutarium agg. (Common Stork's-bill) 1987-1999 Native  Yes a  
Erodium maritimum (Sea Stork's-bill) Pre-1970 Alien      
Erophila glabrescens (Glabrous Whitlowgrass) 1987-1999 Native      
Erophila verna (Common Whitlowgrass) 1987-1999 Native   Yes a
Eryngium campestre (Field Eryngo) Pre-1970 Alien      
Eryngium maritimum (Sea-holly) Pre-1970 Native      
Erysimum cheiranthoides (Treacle-mustard) 1970-1986 Alien      
Eschscholzia californica (Californian Poppy) Recorded since 1999 Alien 2008 only   Shibdon in 2008
Euonymus europaeus (Spindle) 1987-1999 Native      
Eupatorium cannabinum (Hemp-agrimony) 1987-1999 Native  Yes a  
Euphorbia cyparissias (Cypress Spurge) 1970-1986 Alien      
Euphorbia esula x E. waldsteinii (Twiggy Spurge) 1987-1999 Alien      
Euphorbia exigua (Dwarf Spurge) Pre-1970 Alien      
Euphorbia helioscopia (Sun Spurge) 1987-1999 Alien Yes a  
Euphorbia lathyris (Caper Spurge) Not in Atlas Alien 2008 only a Shibdon in 2008-2009 (1 plant)
Euphorbia peplus (Petty Spurge) 1987-1999 Alien  Yes a  
Euphorbia platyphyllos (Broad-leaved Spurge) Pre-1970 Alien      
Euphrasia arctica subsp. borealis  1970-1986 Native      
Euphrasia confusa   1970-1986 Native      
Euphrasia nemorosa   1987-1999 Native  Yes a  
Fagopyrum esculentum (Buckwheat) 1987-1999 Alien      
Fagus sylvatica (Beech) 1987-1999 Native  Yes a  
Fallopia baldschuanica (Russian-vine) 1987-1999 Alien      
Fallopia convolvulus (Black-bindweed) 1987-1999 Alien Yes a  
Fallopia japonica (Japanese Knotweed) 1987-1999 Alien  Yes    
Fallopia japonica x F. sachalinensis  1970-1986 Alien      
Fallopia sachalinensis (Giant Knotweed) 1987-1999 Alien      
Ferula communis (Giant Fennel) Pre-1970 Alien      
Festuca altissima (Wood Fescue) Pre-1970 Native      
Festuca arundinacea (Tall Fescue) 1987-1999 Native  Yes a  
Festuca filiformis (Fine-leaved Sheep's-fescue) 1987-1999 Native  Yes    
Festuca gigantea (Giant Fescue) 1987-1999 Native Yes    
Festuca ovina (Sheep's-fescue) 1987-1999 Native  Yes    
Festuca pratensis (Meadow Fescue) 1970-1986 Native      
Festuca pratensis x Lolium perenne (Hybrid Fescue) Pre-1970 Native      
Festuca rubra sens. lat. (Red Fescues) 1987-1999 Native  Yes a  
Ficus carica (Fig) 1987-1999 Alien      
Filago minima (Small Cudweed) 1970-1986 Native Yes    
Filipendula ulmaria (Meadowsweet) 1987-1999 Native Yes   a  
Filipendula vulgaris (Dropwort) Pre-1970 Native Extinct Extinct  
Foeniculum vulgare (Fennel) 1987-1999 Alien Yes    
Fragaria vesca (Wild Strawberry) 1987-1999 Native   Yes a  
Fragaria x ananassa (Garden Strawberry) 1987-1999 Alien      
Fraxinus excelsior (Ash) 1987-1999 Native Yes a  
Fumaria bastardii (Tall Ramping-fumitory) Pre-1970 Native      
Fumaria capreolata (White Ramping-fumitory) Pre-1970 Native      
Fumaria muralis (Common Ramping-fumitory) 1987-1999 Native      
Fumaria officinalis (Common Fumitory) 1987-1999 Alien  Yes a  
Fumaria purpurea (Purple Ramping-fumitory) Pre-1970 Native      
Galanthus nivalis (Snowdrop) 1987-1999 Alien  Yes a  
Galeopsis angustifolia (Red Hemp-nettle) 1987-1999 Alien      
Galeopsis bifida (Bifid Hemp-nettle) 1987-1999 Native      
Galeopsis segetum (Downy Hemp-nettle) Pre-1970 Alien Extinct Extinct  Winlaton - Ryton and Birtley. Last seen 1917.
Galeopsis speciosa (Large-flowered Hemp-nettle) 1970-1986 Alien      
Galeopsis tetrahit (Common Hemp-nettle) 1987-1999 Native Yes a  
Galinsoga parviflora (Gallant-soldier) 1970-1986 Alien      
Galinsoga quadriradiata (Shaggy-soldier) 1987-1999 Alien Yes    
Galium aparine (Cleavers) 1987-1999 Native Yes a  
Galium boreale (Northern Bedstraw) 1970-1986 Native      
Galium mollugo (Hedge Bedstraw) 1987-1999 Native  Yes    
Galium odoratum (Woodruff) 1987-1999 Native   Yes a  
Galium palustre (Common Marsh-bedstraw) 1987-1999 Native Yes    
Galium saxatile (Heath Bedstraw) 1987-1999 Native Yes a  
Galium tricornutum (Corn Cleavers) Pre-1970 Alien Extinct Extinct  
Galium uliginosum (Fen Bedstraw) 1987-1999 Native  Yes    
Galium verum (Lady's Bedstraw) 1987-1999 Native  Yes a  
Genista anglica (Petty Whin) 1970-1986 Native Yes    
Genista tinctoria (Dyer's Greenweed) 1987-1999 Native      
Gentianella amarella subsp. septentri. Pre-1970 Native      
Geranium columbinum (Long-stalked Crane's-bill) Pre-1970 Native Yes    
Geranium dissectum (Cut-leaved Crane's-bill) 1987-1999 Alien  Yes a  
Geranium ibericum x G. platypetalum (Purple Crane's-bill) 1970-1986 Alien Yes    
Geranium lucidum (Shining Crane's-bill) Pre-1970 Native Refound 2006    Timber beach, Dunston
Geranium molle (Dove's-foot Crane's-bill) 1987-1999 Native Yes a  
Geranium phaeum (Dusky Crane's-bill) Pre-1970 Alien      
Geranium pratense (Meadow Crane's-bill) 1987-1999 Native  Yes a  
Geranium pusillum (Small-flowered Crane's-bill) 1987-1999 Native      
Geranium pyrenaicum (Hedgerow Crane's-bill) 1987-1999 Alien   a  
Geranium robertianum (Herb-Robert) 1987-1999 Native  Yes a  
Geranium rotundifolium (Round-leaved Crane's-bill) Pre-1970 Alien  Yes    Ryton Golf Course in 2003
Geranium sanguineum (Bloody Crane's-bill) Pre-1970 Native  Yes    
Geranium sylvaticum (Wood Crane's-bill) 1987-1999 Native   Yes a  
Geum rivale (Water Avens) 1987-1999 Native  Yes a  
Geum rivale x G. urbanum (Hybrid Avens) 1987-1999 Native      
Geum urbanum (Wood Avens) 1987-1999 Native  Yes a  
Glaux maritima (Sea-milkwort) 1987-1999 Native      
Glechoma hederacea (Ground-ivy) 1987-1999 Native  Yes a  
Glyceria declinata (Small Sweet-grass) 1987-1999 Native      
Glyceria fluitans (Floating Sweet-grass) 1987-1999 Native  Yes    
Glyceria fluitans x G. notata (Hybrid Sweet-grass) 1970-1986 Native      
Glyceria maxima (Reed Sweet-grass) 1987-1999 Native  Yes a  
Glyceria notata (Plicate Sweet-grass) 1987-1999 Native   Yes    
Gnaphalium sylvaticum (Heath Cudweed) 1987-1999 Native 2004 only    Thornley Woods in 1980s
Gnaphalium uliginosum (Marsh Cudweed) 1987-1999 Native      
Groenlandia densa (Opposite-leaved Pondweed) Pre-1970 Native      
Gymnadenia conopsea (Fragrant Orchid) 1987-1999 Native      
Gymnocarpium dryopteris (Oak Fern) 1987-1999 Native      
Hedera helix subsp. helix (Common Ivy) 1987-1999 Native  Yes    
Hedera helix subsp. hibernica (Atlantic Ivy) 1987-1999 Alien      
Helianthemum nummularium (Common Rock-rose) 1987-1999 Native      
Helianthus tuberosus (Jerusalem Artichoke) 1987-1999 Alien      
Helictotrichon pratense (Meadow Oat-grass) 1987-1999 Native Yes    
Helictotrichon pubescens (Downy Oat-grass) 1987-1999 Native Yes    
Heracleum mantegazzianum (Giant Hogweed) 1987-1999 Alien Yes    
Heracleum sphondylium (Hogweed) 1987-1999 Native  Yes a  
Hesperis matronalis (Dame's-violet) 1987-1999 Alien  Yes a  
Hieracium agg. (Hawkweeds) 1987-1999 Native  Yes    H. vagum & H.vulgatum recorded 2004
Hippophae rhamnoides (Sea-buckthorn) 1987-1999 Alien  Yes    
Hippuris vulgaris (Mare's-tail) 1987-1999 Native      
Holcus lanatus (Yorkshire-fog) 1987-1999 Native  Yes a  
Holcus mollis (Creeping Soft-grass) 1987-1999 Native   Yes    
Honckenya peploides (Sea Sandwort) 1970-1986 Native      
Hordelymus europaeus (Wood Barley) 1987-1999 Native      
Hordeum distichon sens. lat. (Barley) 1970-1986 Alien      
Hordeum jubatum (Foxtail Barley) 1987-1999 Alien      
Hordeum murinum (Wall Barley) 1987-1999 Alien  Yes a  
Hordeum secalinum (Meadow Barley) Pre-1970 Native      
Hottonia palustris (Water-violet) Pre-1970 Native Extinct Extinct
Humulus lupulus (Hop) 1987-1999 Alien      
Hyacinthoides hispanica (Spanish Bluebell) 1987-1999 Alien  Yes a  
Hyacinthoides hispanica x H.non-scripta (Hybrid Bluebell) 1987-1999 Alien   Yes a  
Hyacinthoides non-scripta (Bluebell) 1987-1999 Native  Yes a  
Hydrocharis morsus-ranae (Frogbit) 1987-1999 Native      Pond near Ryton, only county site
Hydrocotyle vulgaris (Marsh Pennywort) Pre-1970 Native      
Hyoscyamus niger (Henbane) Pre-1970 Alien      
Hypericum androsaemum (Tutsan) 1987-1999 Alien   a  
Hypericum calycinum (Rose-of-Sharon) 1970-1986 Alien Extinct Extinct  Last seen 1990 - Watergate Pit - now destroyed.
Hypericum hirsutum (Hairy St John's-wort) 1987-1999 Native      
Hypericum humifusum (Trailing St John's-wort) 1970-1986 Native Yes    
Hypericum maculatum subsp.obtusiusculum  1987-1999 Native Yes    
Hypericum maculatum x H. perforatum (Des Etangs' St John's-wort) 1987-1999 Native      
Hypericum perforatum (Perforate St John's-wort) 1987-1999 Native  Yes a  
Hypericum pulchrum (Slender St John's-wort) 1987-1999 Native  Yes    
Hypericum tetrapterum (Square-stalked St John's-wort) 1987-1999 Native      
Hypochaeris radicata (Cat's-ear) 1987-1999 Native Yes a  
Iberis amara (Wild Candytuft) 1970-1986 Alien      
Iberis umbellata (Garden Candytuft) 1987-1999 Alien      
Ilex aquifolium (Holly) 1987-1999 Native Yes a  
Impatiens glandulifera (Indian Balsam) 1987-1999 Alien  Yes a  
Impatiens parviflora (Small Balsam) Pre-1970 Alien      
Inula conyzae (Ploughman's-spikenard) 1970-1986 Native      
Inula helenium (Elecampane) Pre-1970 Alien      
Iris foetidissima (Stinking Iris) Pre-1970 Alien      
Iris germanica (Bearded Iris) 1970-1986 Alien      
Iris pseudacorus (Yellow Iris) 1987-1999 Native Yes a  
Isatis tinctoria (Woad) Pre-1970 Alien      
Isolepis setacea (Bristle Club-rush) 1987-1999 Native Yes    
Jasione montana (Sheep's-bit) 1987-1999 Native     Burn Hills, above Blaydon Burn - still present?
Juglans regia (Walnut) 1987-1999 Alien      
Juncus acutiflorus (Sharp-flowered Rush) 1987-1999 Native  Yes    
Juncus articulatus (Jointed Rush) 1987-1999 Native  Yes a  
Juncus bufonius sens. str. (Toad Rush) 1987-1999 Native  Yes    
Juncus bulbosus (Bulbous Rush) 1987-1999 Native  Yes    
Juncus conglomeratus (Compact Rush) 1987-1999 Native  Yes    
Juncus effusus (Soft-rush) 1987-1999 Native  Yes a  
Juncus effusus x J. inflexus 1987-1999 Native      
Juncus gerardii (Saltmarsh Rush) 1987-1999 Native      
Juncus inflexus (Hard Rush) 1987-1999 Native  Yes a  
Juncus squarrosus (Heath Rush) 1987-1999 Native      
Juncus tenuis (Slender Rush) 1987-1999 Alien  Yes a  
Juniperus communis (Common Juniper) Pre-1970 Native Extinct Extinct  
Kickxia elatine (Sharp-leaved Fluellen) Pre-1970 Alien      
Kickxia spuria (Round-leaved Fluellen) Pre-1970 Alien      
Knautia arvensis (Field Scabious) 1987-1999 Native  Yes a  
Kniphofia uvaria (Red-hot-poker) Recorded since 1999 Alien Yes    Dunston Riverside 2003, Burdon Moor 2 patches  (2008)
Koeleria macrantha (Crested Hair-grass) 1987-1999 Native Yes    
Laburnum anagyroides (Laburnum) 1987-1999 Alien  Yes a  
Lactuca serriola (Prickly Lettuce) Pre-1970 Alien Yes a Recorded in 2003 & 2006
Lamiastrum galeobdolon subsp. argentatus 1987-1999 Alien      
Lamiastrum galeobdolon subsp. montanum (Yellow Archangel ) 1987-1999 Alien   a  
Lamium album (White Dead-nettle) 1987-1999 Alien  Yes a  
Lamium amplexicaule (Henbit Dead-nettle) 1987-1999 Alien Yes    
Lamium confertum (Northern Dead-nettle) Pre-1970 Alien      
Lamium hybridum (Cut-leaved Dead-nettle) 1970-1986 Alien Yes a  Norwood coke works 1974 : Shibdon 2007/2008
Lamium maculatum (Spotted Dead-nettle) 1987-1999 Alien Yes    
Lamium purpureum (Red Dead-nettle) 1987-1999 Alien   Yes a  
Lapsana communis (Nipplewort) 1987-1999 Native   Yes a  
Larix decidua (European Larch) 1987-1999 Alien  Yes    
Larix decidua x L. kaempferi (Hybrid Larch) 1987-1999 Alien      
Larix kaempferi (Japanese Larch) 1987-1999 Alien Yes    
Lathraea squamaria (Toothwort) 1987-1999 Native  Yes    Paddock Hill Woods
Lathyrus aphaca (Yellow Vetchling) Pre-1970 Alien      
Lathyrus latifolius (Broad-leaved Everlasting-pea) 1970-1986 Alien      Last seen 1988 - Streetgate 
Lathyrus linifolius (Bitter-vetch) 1987-1999 Native  Yes a  
Lathyrus nissolia (Grass Vetchling) 1987-1999 Alien Yes a  
Lathyrus pratensis (Meadow Vetchling) 1987-1999 Native  Yes a  
Lathyrus sylvestris (Narrow-leaved Everlasting-pea) 1970-1986 Alien      
Lathyrus tuberosus (Tuberous Pea) 1970-1986 Alien      
Lavatera arborea (Tree-mallow) 1987-1999 Alien      
Lavatera trimestris (Royal Mallow) Pre-1970 Alien      
Lemna minor (Common Duckweed) 1987-1999 Native  Yes a  
Lemna minuta (Least Duckweed) 1987-1999 Alien      
Lemna trisulca (Ivy-leaved Duckweed) 1987-1999 Native  Yes    
Leontodon autumnalis (Autumn Hawkbit) 1987-1999 Native  Yes    
Leontodon hispidus (Rough Hawkbit) 1987-1999 Native      
Leontodon saxatilis (Lesser Hawkbit) 1970-1986 Native      
Leonurus cardiaca (Motherwort) Pre-1970 Alien      
Lepidium campestre (Field Pepperwort) 1970-1986 Alien Yes a  Shibdon Pond since 2002
Lepidium draba (Hoary Cress) 1987-1999 Alien      
Lepidium heterophyllum (Smith's Pepperwort) 1987-1999 Native Yes a  
Lepidium latifolium (Dittander) 1970-1986 Alien      
Lepidium ruderale (Narrow-leaved Pepperwort) Pre-1970 Alien      
Lepidium sativum (Garden Cress) 1970-1986 Alien      
Leucanthemum lacustre x L. maximum (Shasta Daisy) 1987-1999 Alien  Yes    
Leucanthemum vulgare (Oxeye Daisy) 1987-1999 Native  Yes a  
Leucojum aestivum (Summer Snowflake) Pre-1970 Alien      
Leycesteria formosa (Himalayan Honeysuckle) 1987-1999 Alien      
Leymus arenarius (Lyme-grass) 1987-1999 Native      
Ligustrum ovalifolium (Garden Privet) 1987-1999 Alien Yes a  
Ligustrum vulgare (Wild Privet) 1987-1999 Native Yes    
Lilium martagon (Martagon Lily) 1970-1986 Alien      
Lilium pyrenaicum (Pyrenean Lily) 1970-1986 Alien      
Linaria purpurea (Purple Toadflax) 1987-1999 Alien  Yes a  
Linaria repens (Pale Toadflax) 1970-1986 Alien      
Linaria supina (Prostrate Toadflax) Pre-1970 Alien      
Linaria vulgaris (Common Toadflax) 1987-1999 Native  Yes a  
Linnaea borealis (Twinflower) Pre-1970 Alien      
Linum catharticum (Fairy Flax) 1987-1999 Native  Yes    
Linum perenne (Perennial Flax) 1987-1999 Native      
Linum usitatissimum (Flax) 1987-1999 Alien      
Listera cordata (Lesser Twayblade) Pre-1970 Native Extinct Extinct  
Listera ovata (Common Twayblade) 1987-1999 Native   2005 only    
Lithospermum arvense (Field Gromwell) Pre-1970 Alien      
Lobelia erinus  (Garden Lobelia) Recorded since 1999 Alien 2008 only    
Lobularia maritima (Sweet Alison) 1970-1986 Alien      
Lolium multiflorum (Italian Rye-grass) 1987-1999 Alien      
Lolium multiflorum x L. perenne   Pre-1970 Native      
Lolium perenne (Perennial Rye-grass) 1987-1999 Native  Yes a  
Lolium temulentum (Darnel) Pre-1970 Alien      
Lonicera nitida (Wilson's Honeysuckle) 1987-1999 Alien      
Lonicera periclymenum (Honeysuckle) 1987-1999 Native Yes    
Lonicera xylosteum (Fly Honeysuckle) Pre-1970 Alien      
Lotus corniculatus (Common Bird's-foot-trefoil) 1987-1999 Native  Yes a  
Lotus glaber (Narrow-leaved Bird's-foot-trefoil) 1987-1999 Native      
Lotus pedunculatus (Greater Bird's-foot-trefoil) 1987-1999 Native Yes    
Lunaria annua (Honesty) 1987-1999 Alien Yes    
Lupinus polyphyllus (Garden Lupin) 1987-1999 Alien      
Luronium natans (Floating Water-plantain) Pre-1970 Native Extinct Extinct  Marsh at Birtley 1930, now built over.
Luzula campestris (Field Wood-rush) 1987-1999 Native    Yes a  
Luzula luzuloides (White Wood-rush) 1987-1999 Alien      
Luzula multiflora (Heath Wood-rush) 1987-1999 Native      
Luzula pilosa (Hairy Wood-rush) 1987-1999 Native   Yes a  
Luzula sylvatica (Great Wood-rush) 1987-1999 Native   Yes a  
Lychnis flos-cuculi (Ragged-Robin) 1987-1999 Native Yes a  
Lycium agg. (Teaplants) 1970-1986 Alien      
Lycopersicon esculentum (Tomato) 1970-1986 Alien      
Lycopodium clavatum (Stag's-horn Clubmoss) 1987-1999 Native      Marley Hill pit heap. Lowland heath at Lockhaugh & Gibside
Lycopus europaeus (Gipsywort) 1987-1999 Native Yes    
Lysimachia ciliata (Fringed Loosestrife) 1987-1999 Alien      
Lysimachia nemorum (Yellow Pimpernel) 1987-1999 Native Yes    
Lysimachia nummularia (Creeping-Jenny) 1987-1999 Native      
Lysimachia punctata (Dotted Loosestrife) 1987-1999 Alien      
Lysimachia vulgaris (Yellow Loosestrife) 1987-1999 Native Yes    
Lythrum portula (Water-purslane) Pre-1970 Native Extinct Extinct  
Lythrum salicaria (Purple-loosestrife) 1987-1999 Native Yes    
Mahonia aquifolium (Oregon-grape) 1987-1999 Alien Yes    
Malus domestica sens. lat. (Apples) 1987-1999 Native    Yes a  
Malus sylvestris (Crab Apple) 1987-1999 Native   Yes    
Malva moschata (Musk-mallow) 1987-1999 Native Yes a
Malva neglecta (Dwarf Mallow) 1970-1986 Alien      
Malva sylvestris (Common Mallow) 1987-1999 Alien Yes a  
Matricaria discoidea (Pineappleweed) 1987-1999 Alien  Yes a  
Matricaria recutita (Scented Mayweed) 1987-1999 Alien Yes    
Meconopsis cambrica (Welsh Poppy) 1987-1999 Alien      
Medicago arabica (Spotted Medick) Pre-1970 Alien Since 2008  a  
Medicago lupulina (Black Medick) 1987-1999 Native   Yes a  
Medicago polymorpha (Toothed Medick) Pre-1970 Alien      
Medicago sativa subsp. falcata (Sickle Medick) 1970-1986 Alien      
Medicago sativa subsp. sativa (Lucerne) 1970-1986 Alien Yes a Large amounts at Stargate 2002-2003
Melampyrum pratense (Common Cow-wheat) 1987-1999 Native   Yes    
Melica nutans (Mountain Melick) 1970-1986 Native      Acre Dene Woods, Lamesley & Chopwell
Melica uniflora (Wood Melick) 1987-1999 Native Yes    
Melilotus albus (White Melilot) 1987-1999 Alien  Yes    
Melilotus altissimus (Tall Melilot) 1987-1999 Alien  Yes a  
Melilotus indicus (Small Melilot) 1970-1986 Alien      Stella (2001) and Timber beach, Dunston (2003)
Melilotus officinalis (Ribbed Melilot) 1987-1999 Alien      
Melissa officinalis (Balm) 1970-1986 Alien      
Mentha aquatica (Water Mint) 1987-1999 Native  Yes a  
Mentha aquatica x M. arvensis (Whorled Mint) 1970-1986 Native      
Mentha aquatica x M. arvensis x M.spic. (Tall Mint) Pre-1970 Alien      
Mentha aquatica x M. spicata (Peppermint) 1970-1986 Alien      
Mentha arvensis (Corn Mint) 1970-1986 Native      
Mentha arvensis x M. spicata (Bushy Mint) Pre-1970 Alien      
Mentha spicata (Spear Mint) 1987-1999 Alien      
Mentha spicata x M. suaveolens (Apple-mint) 1970-1986 Alien      Last seen 1990 - Old Railway Line at Sunniside
Mentha suaveolens (Round-leaved Mint) 1970-1986 Alien      
Menyanthes trifoliata (Bogbean) 1970-1986 Native      
Mercurialis annua (Annual Mercury) 1987-1999 Alien      
Mercurialis perennis (Dog's Mercury) 1987-1999 Native  Yes a  
Milium effusum (Wood Millet) 1987-1999 Native Yes    
Mimulus guttatus (Monkeyflower) 1987-1999 Alien Yes    
Mimulus guttatus x M. luteus (Hybrid Monkeyflower) 1970-1986 Alien      
Mimulus luteus (Blood-drop-emlets) Pre-1970 Alien      
Minuartia verna (Spring Sandwort) 1970-1986 Native      
Misopates orontium (Weasel's-snout) Pre-1970 Alien      
Moehringia trinervia (Three-nerved Sandwort) 1987-1999 Native      
Molinia caerulea (Purple Moor-grass) 1987-1999 Native      
Montia fontana (Blinks) 1987-1999 Native      
Muscari neglectum (Grape-hyacinth) 1987-1999 Alien  Yes    
Mycelis muralis (Wall Lettuce) 1987-1999 Native      
Myosotis arvensis (Field Forget-me-not) 1987-1999 Alien   Yes a  
Myosotis discolor (Changing Forget-me-not) 1987-1999 Native Yes    
Myosotis laxa (Tufted Forget-me-not) 1987-1999 Native      
Myosotis ramosissima (Early Forget-me-not) 1970-1986 Native      
Myosotis scorpioides (Water Forget-me-not) 1987-1999 Native Yes a  
Myosotis secunda (Creeping Forget-me-not) 1987-1999 Native      
Myosotis sylvatica (Wood Forget-me-not) 1987-1999 Native   Yes a  
Myosoton aquaticum (Water Chickweed) 1970-1986 Native  
Myosurus minimus (Mousetail) 1970-1986 Native      
Myriophyllum spicatum (Spiked Water-milfoil) 1987-1999 Native      
Myriophyllum verticillatum (Whorled Water-milfoil) 1987-1999 Native      
Myrrhis odorata (Sweet Cicely) 1987-1999 Alien   Yes a  
Narcissus agg. (Daffodils) 1987-1999 Alien  Yes a  
Narcissus poeticus. (Pheasant's-eye Daffodil) Recorded since 1999 Alien  Yes    
Nardus stricta (Mat-grass) 1987-1999 Native      
Narthecium ossifragum (Bog Asphodel) Pre-1970 Native Extinct Extinct  
Neottia nidus-avis (Bird's-nest Orchid) Pre-1970 Native Extinct Extinct  
Nepeta cataria (Cat-mint) Pre-1970 Alien      
Nepeta nepetella x N. racemosa (Garden Cat-mint) 1970-1986 Alien      Low Team bridge 1974
Neslia paniculata (Ball Mustard) Pre-1970 Alien      
Nuphar lutea (Yellow Water-lily) 1987-1999 Native      
Nymphaea alba (White Water-lily) 1987-1999 Native      
Nymphoides peltata (Fringed Water-lily) Pre-1970 Alien   a Stargate
Odontites vernus (Red Bartsia) 1987-1999 Native  Yes    
Oenanthe aquatica (Fine-leaved Water-dropwort) Pre-1970 Native Extinct Extinct  
Oenanthe crocata (Hemlock Water-dropwort) 1987-1999 Native  Yes    
Oenanthe fistulosa (Tubular Water-dropwort) 1987-1999 Native      
Oenanthe lachenalii (Parsley Water-dropwort) Pre-1970 Native Extinct Extinct  
Oenothera biennis (Common Evening-primrose) 1970-1986 Alien Yes    
Oenothera glazioviana (Large-flowered Evening-primrose) 1970-1986 Alien Yes  a  
Oenothera stricta (Fragrant Evening-primrose) Recorded since 1999 Alien   a  
Onobrychis viciifolia (Sainfoin) 1987-1999 Alien      
Ononis repens (Common Restharrow) 1987-1999 Native Yes a  
Ononis spinosa (Spiny Restharrow) 1987-1999 Native      
Onopordum acanthium (Cotton Thistle) Pre-1970 Alien      
Ophioglossum vulgatum (Adder's-tongue) 1987-1999 Native Yes a  
Ophrys apifera (Bee Orchid) 1987-1999 Native  Yes a  
Orchis mascula (Early-purple Orchid) 1987-1999 Native      
Orchis morio (Green-winged Orchid) Pre-1970 Native Extinct Extinct  Old record from Birtley
Orchis ustulata (Burnt Orchid) Pre-1970 Native Extinct Extinct  Old record from Ouston
Oreopteris limbosperma (Lemon-scented Fern) 1987-1999 Native      
Origanum vulgare (Wild Marjoram) 1970-1986 Native  Yes   Re-discovered at Timber beach July 2003-2006 and Biritley 2007-2008
Ornithogalum angustifolium (Star-of-Bethlehem) 1987-1999 Alien      
Ornithopus compressus (Yellow Serradella) Pre-1970 Alien      
Ornithopus perpusillus (Bird's-foot) 1987-1999 Native Yes    
Orobanche minor (Common Broomrape) 1970-1986 Native      
Orobanche rapum-genistae (Greater Broomrape) Pre-1970 Native Extinct Extinct  
Osmunda regalis (Royal Fern) Pre-1970 Native Extinct Extinct  
Oxalis acetosella (Wood-sorrel) 1987-1999 Native    Yes a  
Panicum miliaceum (Common Millet) 1970-1986 Alien      
Papaver argemone (Prickly Poppy) Pre-1970 Alien      
Papaver atlanticum (Atlas Poppy) 1970-1986 Alien      
Papaver dubium subsp. dubium (Long-headed Poppy) 1987-1999 Alien  Yes a  
Papaver dubium subsp. lecoqii (Lecoq's Poppy) Pre-1970 Alien      
Papaver hybridum (Rough Poppy) Pre-1970 Alien      
Papaver pseudoorientale (Oriental Poppy) Recorded since 1999 Alien Yes   Wasteground near Metrocentre (2008)
Papaver rhoeas (Common Poppy) 1987-1999 Alien  Yes a  
Papaver somniferum (Opium Poppy) 1987-1999 Alien Yes a  
Parietaria judaica (Pellitory-of-the-wall) 1987-1999 Native      
Paris quadrifolia (Herb-Paris) Pre-1970 Native      
Parnassia palustris (Grass-of-Parnassus) Pre-1970 Native Extinct Extinct  
Pastinaca sativa (Wild Parsnip) 1987-1999 Native  Yes   a  
Pedicularis palustris (Marsh Lousewort) Pre-1970 Native Extinct Extinct  
Pedicularis sylvatica (Lousewort) 1987-1999 Native Yes    
Pentaglottis sempervirens (Green Alkanet) 1987-1999 Alien   a  
Persicaria amphibia (Amphibious Bistort) 1987-1999 Native Yes a  
Persicaria bistorta (Common Bistort) 1987-1999 Native      
Persicaria hydropiper (Water-pepper) Pre-1970 Native      
Persicaria lapathifolia (Pale Persicaria) 1987-1999 Native  Yes    
Persicaria maculosa (Redshank) 1987-1999 Native  Yes    
Persicaria minor (Small Water-pepper) Pre-1970 Native      
Persicaria mitis (Tasteless Water-pepper) Pre-1970 Native      
Petasites fragrans (Winter Heliotrope) 1987-1999 Alien      
Petasites hybridus (Butterbur) 1987-1999 Native  Yes a  
Petroselinum crispum (Garden Parsley) Recorded since 1999 Alien  Yes   Dunston Riverside 2004
Phalaris arundinacea (Reed Canary-grass) 1987-1999 Native   Yes a  
Phalaris canariensis (Canary-grass) 1987-1999 Alien      
Phalaris paradoxa (Awned Canary-grass) Pre-1970 Alien      
Phegopteris connectilis (Beech Fern) Pre-1970 Native Extinct Extinct  
Philadelphus coronarius (Mock-orange) 1987-1999 Alien      
Phleum bertolonii (Smaller Cat's-tail) 1987-1999 Native      
Phleum pratense (Timothy) 1987-1999 Native   Yes    
Phragmites australis (Common Reed) 1987-1999 Native  Yes    
Phuopsis stylosa (Caucasian Crosswort) Pre-1970 Alien      
Phyllitis scolopendrium (Hart's-tongue) 1987-1999 Native  Yes a  
Picea abies (Norway Spruce) 1987-1999 Alien   Yes a  
Picea omorika (Serbian Spruce) 1987-1999 Alien      
Picea sitchensis (Sitka Spruce) 1987-1999 Alien Yes a  
Picris echioides (Bristly Oxtongue) 1970-1986 Alien Yes a  Timber beach in 2003 / Metrocentre 2008/ Derwenthaugh 2009
Picris hieracioides (Hawkweed Oxtongue) Recorded since 1999 Native Yes    Timber beach in 2003 - 2008
Pilosella aurantiaca (Fox-and-cubs) 1987-1999 Alien   Yes a  
Pilosella officinarum (Mouse-ear-hawkweed) 1987-1999 Native   Yes a  
Pimpinella major (Greater Burnet-saxifrage) 1987-1999 Native   Yes    
Pimpinella saxifraga (Burnet-saxifrage) 1987-1999 Native      
Pinguicula vulgaris (Common Butterwort) 1987-1999 Native      
Pinus contorta (Lodgepole Pine) 1987-1999 Alien      
Pinus nigra (Austrian Pine, Corsican Pine) 1987-1999 Alien  Yes    
Pinus pinaster (Maritime Pine) Pre-1970 Alien      
Pinus strobus (Weymouth Pine) 1987-1999 Alien      
Pinus sylvestris (Scots Pine) 1987-1999 Alien  Yes    
Plantago coronopus (Buck's-horn Plantain) 1987-1999 Native      
Plantago lanceolata (Ribwort Plantain) 1987-1999 Native  Yes a  
Plantago major (Greater Plantain) 1987-1999 Native Yes a  
Plantago maritima (Sea Plantain) 1987-1999 Native   a  
Plantago media (Hoary Plantain) 1987-1999 Native  Yes    
Platanthera bifolia (Lesser Butterfly-orchid) Pre-1970 Native Extinct Extinct  
Platanthera chlorantha (Greater Butterfly-orchid) Pre-1970 Native Extinct Extinct  
Poa angustifolia (Narrow-leaved Meadow-grass) 1987-1999 Native      
Poa annua (Annual Meadow-grass) 1987-1999 Native Yes a  
Poa compressa (Flattened Meadow-grass) Pre-1970 Native      
Poa humilis (Spreading Meadow-grass) 1987-1999 Native      
Poa nemoralis (Wood Meadow-grass) 1987-1999 Native  Yes    
Poa pratensis sens. str. (Smooth Meadow-grass) 1987-1999 Native  Yes a  
Poa trivialis (Rough Meadow-grass) 1987-1999 Native  Yes a  
Polemonium caeruleum (Jacob's-ladder) 1970-1986 Alien      
Polygala serpyllifolia (Heath Milkwort) 1987-1999 Native  Yes    
Polygala vulgaris (Common Milkwort) Pre-1970 Native      
Polygonatum multiflorum (Solomon's-seal) 1987-1999 Alien      
Polygonatum multiflorum x P. odoratum (Garden Solomon's-seal) 1987-1999 Alien      
Polygonum arenastrum (Equal-leaved Knotgrass) 1987-1999 Alien  Yes    
Polygonum aviculare. (Knotgrass) 1987-1999 Native  Yes    
Polypodium interjectum (Intermediate Polypody) 1987-1999 Native      
Polypodium vulgare (Polypody) 1970-1986 Native   a  
Polypogon viridis (Water Bent) 1970-1986 Alien      
Polystichum aculeatum (Hard Shield-fern) 1987-1999 Native Yes    
Polystichum setiferum (Soft Shield-fern) 1987-1999 Native 2003 only    
Populus alba (White Poplar) 1987-1999 Alien  Yes    
Populus alba x P. tremula (Grey Poplar) 1987-1999 Alien      
Populus balsamifera x P. deltoides (Balm-of-Gilead) 1970-1986 Alien      
Populus deltoides x P. nigra (Hybrid Black-poplar) 1987-1999 Alien Yes    
Populus nigra (fastigiate cultivars) (Lombardy-poplars) 1987-1999 Alien Yes    
Populus nigra subsp. betulifolia (Black-poplar) 1987-1999 Native      
Populus tremula (Aspen) 1987-1999 Native      
Populus trichocarpa (Western Balsam-poplar) 1987-1999 Alien      
Potamogeton alpinus (Red Pondweed) Pre-1970 Native      
Potamogeton berchtoldii (Small Pondweed) 1987-1999 Native      River Derwent, by Rowlands Gill
Potamogeton crispus (Curled Pondweed) 1987-1999 Native      
Potamogeton natans (Broad-leaved Pondweed) 1987-1999 Native  Yes    
Potamogeton obtusifolius (Blunt-leaved Pondweed) 1970-1986 Native 2006 only    
Potamogeton pectinatus (Fennel Pondweed) 1987-1999 Native      
Potamogeton perfoliatus (Perfoliate Pondweed) 1970-1986 Native      
Potamogeton polygonifolius (Bog Pondweed) 1970-1986 Native 2003 only    
Potamogeton pusillus (Lesser Pondweed) 1970-1986 Native      
Potentilla anglica (Trailing Tormentil) 1987-1999 Native      
Potentilla anglica x P. erecta 1970-1986 Native      
Potentilla anglica x P. reptans & P. e. (Hybrid Cinquefoils) 1970-1986 Native      Chopwell Woods in 2003.
Potentilla anserina (Silverweed) 1987-1999 Native Yes a  
Potentilla argentea (Hoary Cinquefoil) 1970-1986 Native      
Potentilla erecta (Tormentil) 1987-1999 Native   Yes a  
Potentilla fruticosa (Shrubby Cinquefoil) 1970-1986 Alien      
Potentilla norvegica (Ternate-leaved Cinquefoil) 1970-1986 Alien      
Potentilla palustris (Marsh Cinquefoil) 1987-1999 Native      
Potentilla reptans (Creeping Cinquefoil) 1987-1999 Native  Yes a  
Potentilla sterilis (Barren Strawberry) 1987-1999 Native    Yes a  
Primula veris (Cowslip) 1987-1999 Native   Yes a  
Primula veris x P. vulgaris (False Oxlip) 1970-1986 Native   Yes    Westfield Pasture
Primula vulgaris (Primrose) 1987-1999 Native  Yes a  
Prunella vulgaris (Selfheal) 1987-1999 Native Yes    
Prunus avium (Wild Cherry) 1987-1999 Native      Yes a  
Prunus cerasifera (Cherry Plum) 1987-1999 Alien Yes a  
Prunus cerasus (Dwarf Cherry) 1970-1986 Alien      
Prunus domestica (Wild Plum) 1987-1999 Alien Yes    
Prunus laurocerasus (Cherry Laurel) 1987-1999 Alien  Yes    
Prunus padus (Bird Cherry) 1987-1999 Native   Yes a  
Prunus spinosa (Blackthorn) 1987-1999 Native  Yes a  
Pseudofumaria lutea (Yellow Corydalis) 1970-1986 Alien  Yes a  
Pseudotsuga menziesii (Douglas Fir) 1987-1999 Alien      
Pteridium aquilinum (Bracken) 1987-1999 Native  Yes    
Puccinellia distans (Reflexed Saltmarsh-grass) 1987-1999 Native      
Puccinellia maritima (Common Saltmarsh-grass) 1987-1999 Native      
Puccinellia rupestris (Stiff Saltmarsh-grass) Pre-1970 Native      
Pulicaria dysenterica (Common Fleabane) 1970-1986 Native      
Pulmonaria officinalis (Lungwort) 1987-1999 Alien  Yes    
Pyracantha coccinea (Firethorn) Recorded since 1999 Alien Yes    
Pyrola media (Intermediate Wintergreen) Pre-1970 Native      
Pyrola minor (Common Wintergreen) 1987-1999 Native Yes    
Pyrus communis sens. lat. (Pears) 1987-1999 Alien      
Quercus cerris (Turkey Oak) 1987-1999 Alien  Yes    
Quercus ilex (Evergreen Oak) 1987-1999 Alien      
Quercus petraea (Sessile Oak) 1987-1999 Native  Yes    
Quercus petraea x Q. robur (Hybrid Oak) 1987-1999 Native      
Quercus robur (Pedunculate Oak) 1987-1999 Native Yes a  
Quercus rubra (Red oak) 1987-1999 Alien      
Radiola linoides (Allseed) Pre-1970 Native Extinct Extinct  
Ranunculus acris (Meadow Buttercup) 1987-1999 Native  Yes a  
Ranunculus aquatilis (Common Water-crowfoot) 1987-1999 Native      
Ranunculus auricomus (Goldilocks Buttercup) 1987-1999 Native      
Ranunculus bulbosus (Bulbous Buttercup) 1987-1999 Native  Yes a  
Ranunculus ficaria subsp. bulbilifer (Bulbil Lesser Celandine) 1987-1999 Native      
Ranunculus ficaria subsp. ficaria (Lesser Celandine) 1987-1999 Native  Yes a  
Ranunculus flammula (Lesser Spearwort) 1987-1999 Native   Yes a  
Ranunculus fluitans (River Water-crowfoot) 1987-1999 Native      
Ranunculus hederaceus (Ivy-leaved Crowfoot) 1987-1999 Native  Yes a  Several populations on Ravensworth Fell
Ranunculus lingua (Greater Spearwort) 1987-1999 Native Yes    
Ranunculus parviflorus (Small-flowered Buttercup) Pre-1970 Native      
Ranunculus peltatus (Pond Water-crowfoot) 1970-1986 Native 2005 only    
Ranunculus penicillatus (Stream Water-crowfoot) 1987-1999 Native 2005 only    
Ranunculus penicillatus subsp.pseudofl. 1970-1986 Native      
Ranunculus repens (Creeping Buttercup) 1987-1999 Native   Yes a  
Ranunculus sardous (Hairy Buttercup) Pre-1970 Native      
Ranunculus sceleratus (Celery-leaved Buttercup) 1987-1999 Native Yes a  
Ranunculus trichophyllus (Thread-leaved Water-crowfoot) 1987-1999 Native      
Raphanus raphanistrum subsp. landra (Mediterranean Radish) 1970-1986 Alien      
Raphanus raphanistrum subsp.raphanistru (Wild Radish) 1987-1999 Alien Yes    
Rapistrum rugosum (Bastard Cabbage) 1970-1986 Alien      
Reseda alba (White Mignonette) Pre-1970 Alien      
Reseda lutea (Wild Mignonette) 1987-1999 Native  Yes a  
Reseda luteola (Weld) 1987-1999 Alien  Yes a  
Rheum x hybridum (Rhubarb) 1970-1986 Alien      
Rhinanthus angustifolius (Greater Yellow-rattle) Pre-1970 Alien Extinct Extinct  
Rhinanthus minor subsp. minor (Yellow Rattle) 1987-1999 Native   Yes a  
Rhododendron ponticum (Rhododendron) 1987-1999 Alien  Yes    
Rhynchospora alba (White Beak-sedge) Pre-1970 Native Extinct    
Ribes alpinum (Mountain Currant) 1970-1986 Alien      
Ribes nigrum (Black Currant) 1987-1999 Alien  Yes a  
Ribes rubrum (Red Currant) 1987-1999 Native    Yes    
Ribes sanguineum (Flowering Currant) 1987-1999 Alien    Yes a  
Ribes spicatum (Downy Currant) 1970-1986 Native      
Ribes uva-crispa (Gooseberry) 1987-1999 Alien Yes a  
Robinia pseudoacacia (False-acacia) 1987-1999 Alien      
Rorippa microphylla (Narrow-fruited Water-cress) 1987-1999 Native      
Rorippa microphylla x R. nasturtium-aq. (Hybrid Water-cress) 1970-1986 Native      
Rorippa nasturtium-aquaticum (Water-cress) 1987-1999 Native   Yes a  
Rorippa palustris (Marsh Yellow-cress) 1970-1986 Native      
Rorippa sylvestris (Creeping Yellow-cress) 1987-1999 Native      
Rosa agrestis (Small-leaved Sweet-briar) Pre-1970 Native      
Rosa arvensis (Field-rose) 1987-1999 Native      
Rosa caesia subsp. caesia (Hairy Dog-rose) 1987-1999 Native  Yes    
Rosa caesia subsp. glauca (Glaucous Dog-rose) 1987-1999 Native   a  
Rosa caesia x R. canina (R. x dumalis) 1987-1999 Native  Yes    
Rosa canina (Dog-rose) 1987-1999 Native   Yes a  
Rosa micrantha (Small-flowered Sweet-briar) Pre-1970 Native      
Rosa mollis (Soft Downy-rose) 1987-1999 Native      
Rosa multiflora Recorded since 1999 Alien  Yes    
Rosa pimpinellifolia (Burnet Rose) 1987-1999 Native Yes    
Rosa pimpinellifolia x R. sherardii Pre-1970 Native      
Rosa rubiginosa (Sweet-briar) 1987-1999 Native Yes    
Rosa rugosa (Japanese Rose) 1987-1999 Alien Yes a  
Rosa sherardii (Sherard's Downy-rose) 1987-1999 Native Yes a  
Rubus caesius (Dewberry) 1987-1999 Native      
Rubus fruticosus agg. (Brambles) 1987-1999 Native  Yes a  
Rubus idaeus (Raspberry) 1987-1999 Native  Yes a  
Rubus spectabilis (Salmonberry) 1987-1999 Alien      
Rumex acetosa (Common Sorrel) 1987-1999 Native  Yes a  
Rumex acetosella (Sheep's Sorrel) 1987-1999 Native  Yes    
Rumex conglomeratus (Clustered Dock) 1987-1999 Native  Yes a  
Rumex crispus (Curled Dock) 1987-1999 Native  Yes a  
Rumex crispus x R. obtusifolius  1987-1999 Native      
Rumex hydrolapathum (Water Dock) 1970-1986 Alien      
Rumex maritimus (Golden Dock) Pre-1970 Native Extinct Extinct  
Rumex obtusifolius (Broad-leaved Dock) 1987-1999 Native   Yes a  
Rumex palustris (Marsh Dock) Pre-1970 Alien      
Rumex patientia (Patience Dock) 1987-1999 Alien      
Rumex pseudoalpinus (Monk's-rhubarb) Pre-1970 Alien      
Rumex sanguineus (Wood Dock) 1987-1999 Native  Yes a  
Rumex sanguineus var sanguineus (Bloody Dock) Recorded since 1999 Alien   a  
Rumex scutatus (French Sorrel) Pre-1970 Alien      
Ruscus aculeatus (Butcher's-broom) 1970-1986 Alien      
Sagina apetala subsp. apetala  (Annual Pearlwort) 1987-1999 Native      
Sagina apetala subsp. erecta   1970-1986 Native      
Sagina maritima (Sea Pearlwort) 1987-1999 Native      
Sagina nodosa (Knotted Pearlwort) 1987-1999 Native      
Sagina procumbens (Procumbent Pearlwort) 1987-1999 Native  Yes    
Sagina subulata (Heath Pearlwort) Pre-1970 Native      
Salicornia agg. (Glassworts) Pre-1970 Native      
Salix alba (White Willow) 1987-1999 Alien   Yes a  
Salix aurita (Eared Willow) 1987-1999 Native      
Salix aurita x S. cinerea  1987-1999 Native      
Salix aurita x S. repens  Pre-1970 Native      
Salix caprea (Goat Willow) 1987-1999 Native  Yes a  
Salix caprea x S. cinerea   1987-1999 Native      
Salix caprea x S. viminalis (Broad-leaved Osier) 1970-1986 Native Yes    
Salix cinerea subsp. oleifolia (Grey Willow) 1987-1999 Native  Yes a  
Salix cinerea x S. viminalis (Silky-leaved Osier) 1970-1986 Native      
Salix daphnoides (European Violet-willow) Pre-1970 Alien Extinct Extinct  Recorded in 1922 Team valley
Salix fragilis (Crack-willow) 1987-1999 Alien   Yes a  
Salix fragilis x S. pentandra (Shiny-leaved Willow) 1970-1986 Alien      
Salix myrsinifolia (Dark-leaved Willow) 1970-1986 Native      
Salix myrsinifolia x S. phylicifolia  1970-1986 Native      
Salix pentandra (Bay Willow) 1987-1999 Native Yes    
Salix phylicifolia (Tea-leaved Willow) 1987-1999 Native      
Salix purpurea (Purple Willow) 1987-1999 Native      
Salix purpurea x S. viminalis (Green-leaved Willow) 1987-1999 Native   Yes    
Salix repens (Creeping Willow) Pre-1970 Native Extinct Extinct  
Salix triandra (Almond Willow) 1970-1986 Alien      
Salix viminalis (Osier) 1987-1999 Alien  Yes a  
Salsola kali subsp. kali (Prickly Saltwort) Pre-1970 Native Extinct Extinct  
Salvia verbenaca (Wild Clary) 1987-1999 Native      
Salvia verticillata (Whorled Clary) Pre-1970 Alien      
Sambucus canadensis (American Elder) 1987-1999 Alien  Yes    
Sambucus ebulus (Dwarf Elder) 1987-1999 Alien      
Sambucus nigra (Elder) 1987-1999 Native Yes a  
Sambucus racemosa (Red-berried Elder) 1970-1986 Alien      
Sanguisorba minor subsp. minor (Salad Burnet) 1987-1999 Native      
Sanguisorba minor subsp. muricata (Fodder Burnet) 1987-1999 Alien      
Sanguisorba officinalis (Great Burnet) 1987-1999 Native  Yes a  
Sanicula europaea (Sanicle) 1987-1999 Native   a  
Saponaria officinalis (Soapwort) 1987-1999 Alien      
Saxifraga granulata (Meadow Saxifrage) 1987-1999 Native     Lamesley
Saxifraga spathularis x S. umbrosa (Londonpride) 1970-1986 Alien      
Scabiosa columbaria (Small Scabious) 1987-1999 Native  Yes    
Scandix pecten-veneris (Shepherd's-needle) Pre-1970 Alien      
Schoenoplectus lacustris (Common Club-rush) 1987-1999 Native      
Schoenoplectus tabernaemontani (Grey Club-rush) 1987-1999 Native  Yes    
Schoenus nigricans (Black Bog-rush) Pre-1970 Native Extinct Extinct  
Scirpus sylvaticus (Wood Club-rush) 1970-1986 Native Yes    
Scleranthus annuus (Annual Knawel) Pre-1970 Native  Yes    
Scrophularia auriculata (Water Figwort) 1987-1999 Native Yes    
Scrophularia nodosa (Common Figwort) 1987-1999 Native Yes a  
Scutellaria galericulata (Skullcap) 1987-1999 Native      
Securigera varia (Crown Vetch) 1987-1999 Alien  Yes a Timber Beach 2006 - 2008 but present since for many years  Fellside road 
Sedum acre (Biting Stonecrop) 1987-1999 Native  Yes a  
Sedum album (White Stonecrop) 1987-1999 Alien      
Sedum anglicum (English Stonecrop) 1987-1999 Native      
Sedum rupestre (Reflexed Stonecrop) 1987-1999 Alien      
Sedum spectabile (Butterfly-stonecrop) Recorded since 1999 Alien  2004 only    
Sedum spurium (Caucasian-stonecrop) 1970-1986 Alien  Yes    
Sedum telephium (Orpine) Pre-1970 Native Extinct Extinct  
Selaginella selaginoides (Lesser Clubmoss) Pre-1970 Native Extinct Extinct  
Senecio aquaticus (Marsh Ragwort) 1987-1999 Native  Yes a  
Senecio aquaticus x S. jacobaea   1987-1999 Native      
Senecio cineraria (Silver Ragwort) 1987-1999 Alien      
Senecio erucifolius (Hoary Ragwort) 1987-1999 Native      
Senecio jacobaea (Common Ragwort) 1987-1999 Native  Yes a  
Senecio squalidus (Oxford Ragwort) 1987-1999 Alien  Yes a  
Senecio squalidus x S. viscosus 1970-1986 Alien      
Senecio squalidus x S. vulgaris 1970-1986 Native      
Senecio sylvaticus (Heath Groundsel) 1987-1999 Native  Yes    
Senecio viscosus (Sticky Groundsel) 1987-1999 Alien Yes a  
Senecio vulgaris (Groundsel) 1987-1999 Native    Yes a  
Sequoia sempervirens (Coastal Redwood) Pre-1970 Alien      
Sequoiadendron giganteum (Wellingtonia) 1987-1999 Alien      
Serratula tinctoria (Saw-wort) 1987-1999 Native      
Sesleria caerulea (Blue Moor-grass) 1987-1999 Native      
Setaria viridis (Green Bristle-grass) 1970-1986 Alien      
Sherardia arvensis (Field Madder) 1987-1999 Native  2004 only a and 2009
Silaum silaus (Pepper-saxifrage) 1987-1999 Native      
Silene conica (Sand Catchfly) Pre-1970 Alien      
Silene dioica (Red Campion) 1987-1999 Native  Yes a  
Silene dioica x S. latifolia (Red x White Campion hybrid) 1987-1999 Native      
Silene gallica (Small-flowered Catchfly) Pre-1970 Alien      
Silene latifolia (White Campion) 1987-1999 Alien  Yes a  
Silene noctiflora (Night-flowering Catchfly) Pre-1970 Alien      
Silene vulgaris (Bladder Campion) 1987-1999 Native Yes a  
Silybum marianum (Milk Thistle) Pre-1970 Alien      
Sinapis alba (White Mustard) 1970-1986 Alien      
Sinapis arvensis (Charlock) 1987-1999 Alien  Yes a  
Sisymbrium altissimum (Tall Rocket) 1987-1999 Alien  Yes    
Sisymbrium officinale (Hedge Mustard) 1987-1999 Alien Yes a  
Sisymbrium orientale (Eastern Rocket) 1987-1999 Alien      
Sisymbrium strictissimum (Perennial Rocket) 1970-1986 Alien      
Sisyrinchium bermudiana (Blue-eyed-grass) Pre-1970 Alien      
Sium latifolium (Greater Water-parsnip) Pre-1970 Native Extinct Extinct  
Smyrnium olusatrum (Alexanders) 1987-1999 Alien      
Smyrnium perfoliatum (Perfoliate Alexanders) 1987-1999 Alien      
Solanum dulcamara (Bittersweet) 1987-1999 Native  Yes a  
Solanum nigrum (Black Nightshade) Pre-1970 Alien      
Solanum tuberosum (Potato) 1970-1986 Alien      
Soleirolia soleirolii (Mind-your-own-business) Pre-1970 Alien      
Solidago canadensis (Canadian Goldenrod) 1987-1999 Alien      
Solidago gigantea (Early Goldenrod) 1987-1999 Alien Yes a  
Solidago virgaurea (Goldenrod) 1987-1999 Native Yes a  
Sonchus arvensis (Perennial Sow-thistle) 1987-1999 Native  Yes a  
Sonchus asper (Prickly Sow-thistle) 1987-1999 Native   Yes a  
Sonchus oleraceus (Smooth Sow-thistle) 1987-1999 Native   Yes a  
Sorbus aria (Common Whitebeam) 1987-1999 Alien  Yes a  
Sorbus aucuparia (Rowan) 1987-1999 Native  Yes a  
Sorbus hybrida (Swedish Service-tree) 1987-1999 Alien      
Sorbus intermedia  1987-1999 Alien  Yes a  
Sparganium emersum (Unbranched Bur-reed) 1970-1986 Native      
Sparganium erectum (Branched Bur-reed) 1987-1999 Native  Yes    
Sparganium natans (Least Bur-reed) Pre-1970 Native Extinct Extinct  
Spartium junceum (Spanish Broom) 1987-1999 Alien      
Spergula arvensis (Corn Spurrey) 1987-1999 Alien  Yes    
Spergularia marina (Lesser Sea-spurrey) 1987-1999 Native      
Spergularia media (Greater Sea-spurrey) 1987-1999 Native      
Spergularia rubra (Sand Spurrey) 1987-1999 Native  Yes    
Spiraea salicifolia (Bridewort) 1970-1986 Alien      
Spiraea douglasii x S. salicifolia (Confused Bridewort) Not in Atlas Alien  Yes    Present at Ravensworth Fell since at least 1980s
Spirodela polyrhiza (Greater Duckweed) 1987-1999 Alien      
Stachys annua (Annual Yellow-woundwort) Pre-1970 Alien      
Stachys arvensis (Field Woundwort) Pre-1970 Alien      
Stachys officinalis (Betony) 1987-1999 Native  Yes    
Stachys palustris (Marsh Woundwort) 1987-1999 Native  Yes a  
Stachys palustris x S. sylvatica (Hybrid Woundwort) 1970-1986 Native   a  
Stachys recta (Perennial Yellow-woundwort) Pre-1970 Alien      
Stachys sylvatica (Hedge Woundwort) 1987-1999 Native  Yes a  
Stellaria graminea (Lesser Stitchwort) 1987-1999 Native  Yes a  
Stellaria holostea (Greater Stitchwort) 1987-1999 Native  Yes a  
Stellaria media (Common Chickweed) 1987-1999 Native  Yes a  
Stellaria nemorum (Wood Stitchwort) 1987-1999 Native Yes a  
Stellaria palustris (Marsh Stitchwort) Pre-1970 Native      
Stellaria uliginosa (Bog Stitchwort) 1987-1999 Native Yes    
Stratiotes aloides (Water-soldier) 1987-1999 Alien      
Suaeda maritima (Annual Sea-blite) 1987-1999 Native      
Suaeda vera (Shrubby Sea-blite) Pre-1970 Alien      
Succisa pratensis (Devil's-bit Scabious) 1987-1999 Native  Yes a  
Symphoricarpos albus (Snowberry) 1987-1999 Alien  Yes a  
Symphytum asperum x S. officinale (Russian Comfrey) 1987-1999 Alien Yes a  
Symphytum officinale (Common Comfrey) 1987-1999 Native Yes a  
Symphytum orientale (White Comfrey) 1987-1999 Alien      
Symphytum tuberosum (Tuberous Comfrey) 1970-1986 Alien      
Syringa vulgaris (Lilac) 1987-1999 Alien  Yes    
Tamus communis (Black Bryony) 1970-1986 Native      
Tanacetum parthenium (Feverfew) 1987-1999 Alien   Yes  a  
Tanacetum vulgare (Tansy) 1987-1999 Native Yes a  
Taraxacum agg. (Dandelions) 1987-1999 Native   Yes a  
Taxus baccata (Yew) 1987-1999 Native  Yes a  
Telekia speciosa (Yellow Oxeye) 1987-1999 Alien      
Teucrium chamaedrys (Wall Germander) Pre-1970 Alien      
Teucrium scorodonia (Wood Sage) 1987-1999 Native  Yes a  
Thalictrum flavum (Common Meadow-rue) Pre-1970 Native      
Thalictrum minus (Lesser Meadow-rue) 1987-1999 Native      
Thlaspi arvense (Field Penny-cress) 1987-1999 Alien  Yes a  
Thlaspi caerulescens (Alpine Penny-cress) 1987-1999 Native      
Thymus polytrichus (Wild Thyme) 1987-1999 Native      
Tilia cordata (Small-leaved Lime) 1987-1999 Native      
Tilia cordata x T. platyphyllos (Lime) 1987-1999 Alien  Yes a  
Tilia platyphyllos (Large-leaved Lime) 1987-1999 Alien      
Torilis japonica (Upright Hedge-parsley) 1987-1999 Native  Yes a  
Torilis nodosa (Knotted Hedge-parsley) 1970-1986 Native      
Tragopogon pratensis (Goat's-beard) 1987-1999 Native  Yes a  
Trichophorum cespitosum (Deergrass) Pre-1970 Native      
Trientalis europaea (Chickweed-wintergreen) Pre-1970 Native      
Trifolium arvense (Hare's-foot Clover) 1987-1999 Native      
Trifolium campestre (Hop Trefoil) 1987-1999 Native   Yes a  
Trifolium dubium (Lesser Trefoil) 1987-1999 Native  Yes a  
Trifolium fragiferum (Strawberry Clover) Pre-1970 Alien      
Trifolium hybridum (Alsike Clover) 1987-1999 Alien Yes a  
Trifolium medium (Zigzag Clover) 1987-1999 Native  Yes    
Trifolium micranthum (Slender Trefoil) 1970-1986 Native      
Trifolium pratense (Red Clover) 1987-1999 Native   Yes a  
Trifolium repens (White Clover) 1987-1999 Native Yes a  
Trifolium scabrum (Rough Clover) Pre-1970 Native      
Trifolium squamosum (Sea Clover) Pre-1970 Alien      
Trifolium striatum (Knotted Clover) Pre-1970 Native      
Triglochin maritimum (Sea Arrowgrass) 1987-1999 Native      
Triglochin palustre (Marsh Arrowgrass) 1987-1999 Native      
Tripleurospermum inodorum (Scentless Mayweed) 1987-1999 Alien   Yes a  
Tripleurospermum maritimum (Sea Mayweed) 1987-1999 Native Yes a  
Trisetum flavescens (Yellow Oat-grass) 1987-1999 Native  Yes a  
Triticum aestivum (Bread Wheat) 1987-1999 Alien      
Trollius europaeus (Globeflower) 1987-1999 Native      
Tropaeolum majus (Nasturtium) 1970-1986 Alien      
Tsuga heterophylla (Western Hemlock-spruce) 1987-1999 Alien  Yes    
Tussilago farfara (Colt's-foot) 1987-1999 Native  Yes a  
Typha angustifolia (Lesser Bulrush) 1987-1999 Native   a  
Typha latifolia (Bulrush) 1987-1999 Native  Yes a  
Ulex europaeus (Gorse) 1987-1999 Native   Yes a  
Ulex gallii (Western Gorse) Pre-1970 Native      
Ulex minor (Dwarf Gorse) 1987-1999 Alien      
Ulmus glabra (Wych Elm) 1987-1999 Native  Yes a  
Ulmus procera (English Elm) 1987-1999 Alien      
Urtica dioica (Common Nettle) 1987-1999 Native  Yes a  
Urtica urens (Small Nettle) 1987-1999 Alien   a  
Utricularia vulgaris sens. str. (Greater Bladderwort) 1987-1999 Native      Glebe Pond, Ryton : Stargate
Vaccaria hispanica (Cowherb) Pre-1970 Alien      
Vaccinium myrtillus (Bilberry) 1987-1999 Native Yes a  
Vaccinium oxycoccos (Cranberry) Pre-1970 Native      
Valeriana dioica (Marsh Valerian) 1987-1999 Native  Yes    
Valeriana officinalis (Common Valerian) 1987-1999 Native  Yes    
Valerianella locusta (Common Cornsalad) 1987-1999 Native Yes    
Verbascum densiflorum (Dense-flowered Mullein) Pre-1970 Alien      
Verbascum lychnitis(White Mullein)  Recorded since 1999 Alien   a Birtley railway sidings
Verbascum nigrum (Dark Mullein) Pre-1970 Alien    
Verbascum thapsus (Great Mullein) 1987-1999 Native   Yes a  
Verbena officinalis (Vervain) Recorded since 1999 Alien Yes    
Veronica agrestis (Green Field-speedwell) 1987-1999 Alien  Yes a  
Veronica anagallis-aquatica (Blue Water-speedwell) Pre-1970 Native      
Veronica arvensis (Wall Speedwell) 1987-1999 Native  Yes a  
Veronica beccabunga (Brooklime) 1987-1999 Native  Yes a  
Veronica catenata (Pink Water-speedwell) 1987-1999 Native      
Veronica chamaedrys (Germander Speedwell) 1987-1999 Native   Yes a  
Veronica filiformis (Slender Speedwell) 1987-1999 Alien Yes a  
Veronica hederifolia subsp. hederifolia (Ivy-leaved Speedwell) 1970-1986 Alien  Yes a  
Veronica hederifolia subsp. lucorum (Pale Ivy-leaved Speedwell) 1970-1986 Alien  Yes    
Veronica montana (Wood Speedwell) 1987-1999 Native  Yes    
Veronica officinalis (Heath Speedwell) 1987-1999 Native Yes a  
Veronica persica (Common Field-speedwell) 1987-1999 Alien  Yes a  
Veronica polita (Grey Field-speedwell) 1987-1999 Alien      
Veronica scutellata (Marsh Speedwell) 1987-1999 Native      
Veronica serpyllifolia (Thyme-leaved Speedwell) 1987-1999 Native  Yes a  
Viburnum lantana (Wayfaring-tree) 1987-1999 Alien      
Viburnum opulus (Guelder-rose) 1987-1999 Native  Yes a  
Viburnum tinus (Laurustinus) 1987-1999 Alien      
Vicia benghalensis (Purple Vetch) Pre-1970 Alien      
Vicia cracca (Tufted Vetch) 1987-1999 Native  Yes a  
Vicia hirsuta (Hairy Tare) 1987-1999 Native  Yes a  
Vicia lathyroides (Spring Vetch) Pre-1970 Native Extinct Extinct  
Vicia lutea (Yellow-vetch) Pre-1970 Alien      
Vicia sativa subsp. nigra (Narrow-leaved Vetch) 1987-1999 Native      
Vicia sativa subsp. sativa 1987-1999 Alien      
Vicia sativa subsp. segetalis (Common Vetch) 1987-1999 Alien   Yes a  
Vicia sepium (Bush Vetch) 1987-1999 Native    Yes a  
Vicia sylvatica (Wood Vetch) Pre-1970 Native      
Vicia tenuifolia (Fine-leaved Vetch) 1970-1986 Alien      
Vicia tetrasperma (Smooth Tare) 1987-1999 Native      
Vinca major (Greater Periwinkle) 1987-1999 Alien Yes    
Vinca minor (Lesser Periwinkle) 1987-1999 Alien  Yes a  
Viola arvensis (Field Pansy) 1987-1999 Alien Yes a  
Viola hirta (Hairy Violet) 1970-1986 Native      
Viola lutea (Mountain Pansy) 1987-1999 Native      
Viola odorata (Sweet Violet) Pre-1970 Native 2005 only    Escape - Derwent CP (2005)
Viola palustris (Marsh Violet) 1987-1999 Native      
Viola reichenbachiana (Early Dog-violet) 1987-1999 Native      
Viola riviniana (Common Dog-violet) 1987-1999 Native  Yes a  
Viola tricolor (Wild Pansy) 1987-1999 Native  Yes a  
Viola x wittrockiana (Garden Pansy) 1970-1986 Alien  Yes a  
Viscum album (Mistletoe) 1970-1986 Native     Rowlands Gill
Vulpia bromoides (Squirreltail Fescue) 1987-1999 Native  Yes    
Vulpia myuros (Rat's-tail Fescue) 1987-1999 Alien 2006 only    
Xanthium strumarium (Rough Cocklebur) Pre-1970 Alien      
Zannichellia palustris (Horned Pondweed) 1987-1999 Native      
Zostera noltei (Dwarf Eelgrass) Pre-1970 Native Extinct Extinct