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 |
