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 Image: Basionym: Genus Basionym: Notes:
1. Adenostegia viscida T. Howell Adenostegia viscida T. Howell Adenostegia
2. Adenostegia viscida T. Howell Adenostegia viscida T. Howell
3. Agoseris tomentosa Howell Agoseris tomentosa Howell Agoseris
4. Agoseris tomentosa Howell Agoseris tomentosa Howell
5. Agropyron divergens var. tenuispicum Scribn. & Smith Agropyron divergens var. tenuispicum Scribn. & Smith
6. Agropyron divergens var. tenuispicum Scribn. & Smith Agropyron divergens var. tenuispicum Scribn. & Smith Agropyron
7. Agropyron divergens var. tenuispicum Scribn. & Smith Agropyron divergens var. tenuispicum Scribn. & Smith
8. Agropyron divergens var. tenuispicum Scribn. & Smith Agropyron divergens var. tenuispicum Scribn. & Smith Agropyron
9. Agrostis foliosa Vasey Agrostis foliosa Vasey Agrostis
10. Agrostis foliosa Vasey Agrostis foliosa Vasey Agrostis
11. Agrostis foliosa Vasey Agrostis foliosa Vasey
12. Agrostis foliosa Vasey Agrostis foliosa Vasey
13. Allium watsonii Howell Allium watsonii Howell Allium
14. Allium watsonii Howell Allium watsonii Howell
15. Allium watsonii Howell Allium watsonii Howell Allium
16. Allium watsonii Howell Allium watsonii Howell
17. Alopecurus howellii Vasey Alopecurus howellii Vasey Alopecurus
18. Alopecurus howellii Vasey Alopecurus howellii Vasey
19. Alsine simcoei Howell Alsine simcoei Howell Alsine
20. Alsine simcoei Howell Alsine simcoei Howell Alsine
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