Abies alba  |
European Silver Fir |
Abies amabilis  |
Pacific Silver Fir |
Abies balsamea  |
Balsam Fir |
Abies balsamea var 'Phanerolipsis'  |
Caanan Fir |
Abies bornmuelleriana  |
Bornmueller's Fir |
Abies cephalon1ca  |
Greek Fir |
Abies chensiensis  |
Shensi Fir |
Abies cilicica  |
Cilician Fir |
Abies concolor  |
White Fir |
Abies concolor ssp lowiana  |
Sierra White Fir |
Abies delavayi  |
Delavay's Fir |
Abies ernesti  |
Ernesti's Fir |
Abies fabri  |
Faber Fir |
Abies fargesii  |
Farges Fir |
Abies firma  |
Japanese Fir |
Abies forestii  |
Forrest Fir |
Abies fraseri  |
Fraser Fir |
Abies grandis  |
Grand Fir |
Abies holophylla  |
Needle Fir |
Abies homolepsis  |
Nikko Fir |
Abies koreana  |
Korean Fir |
Abies lasiocarpa  |
Sub-alpine Fir |
Abies lasiocarpa ssp arizonica  |
Corkbark Fir |
Abies magnifica  |
Red Fir |
Abies magnifica var 'Shastensis'  |
Shasta Red Fir |
Abies nephrolepis  |
Manchurian Fir |
Abies nordmanniana  |
Nordmann Fir |
Abies numidica  |
Algerian Fir |
Abies pindrow  |
West Himalayan Fir |
Abies pinsapo  |
Spanish Fir |
Abies procera  |
Noble Fir |
Abies recurvata  |
Min Fir |
Abies sibirica  |
Siberian Fir |
Abies spectabilis  |
Himalayan Fir |
Abies squamata  |
Flaky Fir |
| Abronia fragrans |
Snowball Sand Verbena |
Abutilon theophrasti  |
Velvet Leaf |
Acacia baileyana  |
Cootamunda Wattle |
Acacia confusa  |
Formosa Koa |
Acacia dealbata  |
Silver Wattle |
Acacia farnesiana  |
Sweet Acacia |
Acacia melanoxylon  |
Blackwood |
Acacia pubescens  |
Downy Wattle |
Acacia victoriate  |
Bramble Acacia |
| Acalypha rhomboidea |
Three-Seeded Mercury |
Acer buergerianum  |
Trident Maple |
Acer campestre  |
Hedge Maple |
Acer cinnamomifolium  |
Southern Yunnan Maple |
Acer davidii  |
Striped-Bark Maple |
Acer davidii ssp grosseri  |
Snake Skin Maple |
Acer discolor  |
Chinese Maple |
Acer ginnala  |
Amur Maple |
Acer ginnala var 'Flame'  |
Flame Amur Maple |
Acer glabrum ssp douglasii  |
Mountain Maple |
Acer glabrum var 'Tripartitum'  |
Florida Maple |
Acer grandidentatum  |
Bigtooth Maple |
Acer heldreichii ssp trautvetteri  |
Red Bud Maple |
Acer henryi  |
Henry's Maple |
Acer macrophyllum  |
Big Leaf Maple |
Acer mandshuricum  |
Manchurian Maple |
Acer mono  |
Painted Maple |
Acer monspessulanum  |
Montpellier Maple |
Acer negundo  |
Box Elder |
| Acer nigrum |
Black Maple |
Acer oblongum  |
Flying Moth Tree |
Acer oliverianum  |
Oliver's Maple |
Acer palmatum  |
Japanese Maple |
Acer palmatum var 'Atropurpureum'  |
Red Japanese Maple |
Acer pensylvanicum  |
Striped Maple |
Acer platanoides  |
Norway Maple |
Acer platanoides var 'Crimson King'  |
Crimson King Maple |
Acer platanoides var 'Schwedleri'  |
Schwedler Maple |
Acer pseudoplatanus  |
Planetree Maple |
Acer pseudoplatanus var 'Purpurea'  |
|
Acer pseudosieboldianum  |
Korean Maple |
Acer rubrum  |
Red Maple |
Acer rufinerve  |
Redvein Maple |
Acer saccharinum  |
Silver Maple |
Acer saccharum  |
Sugar Maple |
Acer spicatum  |
Mountain Maple |
Acer tatarica  |
Tatarian Maple |
| Acer tataricum |
Tatarian Maple |
Acer tegmentosum  |
Amurischer Ahorn |
Acer triflorum  |
Three Flowered Maple |
Acer truncatum  |
Shantung Maple |
Acer velutinum  |
Persian Maple |
Achillea filipendulina  |
Gold Yarrow |
Achillea millefolium  |
Alaskan Yarrow |
| Achillea ptarmica |
Sneezeweed |
| Achillea sibirica |
Siberian Yarrow |
| Achnatherum hymenoides |
Indian Ricegrass |
Aconitum columbianum  |
Northern monkshood |
| Aconitum napellus |
Wolfsbane |
| Acorus americanus |
Sweetflag |
Acorus calamus  |
Sweet Flag |
| Acroptilon repens |
Hardheads |
| Actaea pachypoda |
Doll's Eyes |
Actaea rubra  |
Red Baneberry |
| Actaea rubra ssp rubra |
Red Baneberry |
Actinidia chinensis  |
Chinese Gooseberry |
Actinidia kolomikta  |
Kolomikta Vine |
| Adenocaulon bicolor |
American Trailplant |
| Adiantum pedatum |
Maidenhair Fern |
| Adlumia fungosa |
Allegheny Vine |
| Adoxa moschatellina |
Little Musk |
| Aegopodium podagraria |
Bishop's Goutweed |
Aesculus flava  |
Yellow Buckeye |
Aesculus glabra  |
Ohio Buckeye |
Aesculus hippocastanum  |
Horse Chestnut |
Aesculus pavia  |
Red Buckeye |
| Aethusa cynapium |
Fool's Parsley |
| Agalinis aspera |
Tall False Foxglove |
| Agalinis auriculata |
Earleaf False Foxglove |
| Agalinis gattingeri |
Roundstem False Foxglove |
| Agalinis paupercula |
Smallflower False Foxglove |
| Agalinis purpurea |
Purple False Foxglove |
| Agalinis skinneriana |
Skinner's False Foxglove |
Agalinis tenuifolia  |
Slenderleaf False Foxglove |
| Agastache arupestris |
Sunset Hyssop |
| Agastache cana |
Hummingbird Mint |
Agastache foeniculum  |
Anise Hyssop |
Agastache nepetoides  |
Yellow Giant Hyssop |
Agastache rupestris  |
Licorice Mint |
Agastache scrophulariaefolia  |
Purple Giant Hyssop |
Agastache urticifolia  |
Horse Nettle |
| Agastache x rupestris |
Orange Flare |
| Ageratina altissima |
White Snakeroot |
| Agoseris glauca |
Prairie Dandelion |
| Agrimonia eupatoria |
Churchsteeples |
| Agrimonia gryposepala |
Common Agrimony |
| Agrimonia rostellata |
Beaked Agrimony |
| Agrimonia striata |
Roadside Agrimony |
| Agropyron cristatum |
Crested Wheatgrass |
| Agropyron cristatum ssp pectinatum |
Crested Wheatgrass |
Agropyron smithii  |
Western Wheat Grass |
Agropyron trachycaulum  |
Slender Wheatgrass |
| Agrostemma githago |
Common Corncockle |
| Agrostis canina |
Velvet Bentgrass |
Agrostis exarata  |
Spike Bentgrass |
| Agrostis gigantea |
Redtop |
| Agrostis hyemalis |
Winter Bentgrass |
| Agrostis perennans |
Upland Bentgrass |
Agrostis scabra  |
Rough Bentgrass |
| Agrostis stolonifera |
Creeping Bentgrass |
Ailanthus altissima  |
Tree Of Heaven |
Akebia quinata  |
Five-leaf Akebia |
Akebia trifoliata  |
Three-leaf Akebia |
Albizia julibrissin  |
Silk Mimosa Tree |
Albizia macrophylla  |
Big Leaf Mimosa |
Alcea rosea  |
Hollyhock |
| Alcea rosea var 'Outhouse' |
Hollyhock |
Aleurites form  |
Tung Oil Tree |
| Alisma gramineum |
Narrowleaf Water Plantain |
Alisma subcordatum  |
American Water Plantain |
Alisma triviale  |
Northern Water Plantain |
| Alliaria officinalis |
Garlic Mustard |
| Alliaria petiolata |
Garlic Mustard |
| Allium burdickii |
Narrowleaf Wild Leek |
Allium canadense  |
Wild Garlic |
Allium cernuum  |
Nodding Wild Onion |
Allium schoenoprasum  |
Chives |
Allium stellatum  |
Prairie Onion |
Allium textile  |
Textile Onion |
Allium tricoccum  |
Wild Leek |
Allium tuberosum  |
Garlic Chives |
| Allium ursinum |
Wild Garlic |
Alnus cordata  |
Italian Alder |
Alnus glutinosa  |
European Alder |
Alnus hirsuta  |
Manchurian Alder |
Alnus incana  |
Speckled Alder |
Alnus incana ssp tenuifolia  |
Thinleaf Alder |
Alnus incana var 'Tenuifolia'  |
Mountain Alder |
Alnus japonica  |
Japanese Alder |
Alnus nepalensis  |
Nepal Alder |
Alnus rhombifolia  |
White Alder |
Alnus rubra  |
Red Alder |
Alnus rugosa  |
Speckled Alder |
Alnus sinuata  |
Sitka Alder |
Alnus viridis  |
Green Alder |
Alnus viridis ssp crispa  |
Mountain Alder |
| Alopecurus aequalis |
Shortawn Foxtail |
Alopecurus alpinus  |
Alpine Foxtail |
| Alopecurus carolinianus |
Carolina Foxtail |
| Alopecurus geniculatus |
Water Foxtail |
| Alopecurus pratensis |
Meadow Foxtail |
Althea rosa  |
Hollyhock |
| Alyssum alyssoides |
Pale Madwort |
| Amaranthus albus |
Prostrate Pigweed |
| Amaranthus blitoides |
Mat Amaranth |
| Amaranthus hybridus |
Slim Amaranth |
| Amaranthus powellii |
Powell's Amaranth |
Amaranthus retroflexus  |
Redroot Amaranth |
Amaranthus rudis  |
Tall Amaranth |
| Amaranthus spinosus |
Spiny Amaranth |
| Amaranthus tuberculatus |
Tubercled Amaranth |
| Ambrosa artemisiifolia |
Common Ragweed |
| Ambrosia acanthicarpa |
Flatspine Burr Ragweed |
| Ambrosia artemisiifolia |
Annual Ragweed |
| Ambrosia bidentata |
Lanceleaf Ragweed |
| Ambrosia coronopifolia |
Ragweed |
Ambrosia psilostachya  |
Western Ragweed |