Absinthium
Adderstongue
Agoseris
Agrimony
Alder
Alfalfa
Alfalfa Dodder
Alkali Buttercup
Alkali Cordgrass
Alkali Marsh Aster
Alkali Sacaton
Alkaligrass
Allegheny Monkeyflower
Alliaria
Alpine Bladderpod
Alpine Golden Buckwheat
Alpine Sweetvetch
Alpine Violet
Alsike Clover
Alumroot
Alyssumleaf Phlox
American Basswood
American Bittersweet
American Black Currant
American Black Elderberry
American Bugseed
American Bur-reed
American Cranberrybush
American Dragonhead
American Eelgrass
American Elm
American False Pennyroyal
American Hazelnut
American Hogpeanut
American Licorice
American Lopseed
American Mannagrass
American Plum
American Red Raspberry
American Sloughgrass
American Speedwell
American Spurred Gentian
American Stickseed
American Trailplant