Absinthium
Adderstongue
Adoxa
Agoseris
Agrimony
Alaska Oniongrass
Alberta Saxifrage
Alderleaf Mountain Mahogany
Alfalfa
Alkali Buttercup
Alkali Cordgrass
Alkali Marsh Aster
Alkali Sacaton
Alkaligrass
Allegheny Monkeyflower
Alpine Bistort
Alpine Bladderpod
Alpine Golden Buckwheat
Alpine Lewisia
Alpine Milkvetch
Alpine Mountainsorrel
Alpine Pondweed
Alpine Sweetvetch
Alpine Timothy
Alsike Clover
Alumroot
Alumroot Brookfoam
Alyssumleaf Phlox
Amberique-bean
American Basswood
American Bellflower
American Bittersweet
American Black Currant
American Black Elderberry
American Bugseed
American Burnweed
American Cranberrybush
American Dragonhead
American Eelgrass
American Elm
American False Pennyroyal
American Ginseng
American Hazelnut
American Hogpeanut