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Oregon (36)

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Asteraceae (28)
Poaceae (16)
Ranunculaceae (8)
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 Image: Basionym: Genus Basionym: Notes:

1. Lepidium reticulatum Howell Lepidium reticulatum Howell

2. Cirsium undulatum (Nutt.) Spreng. var. ciliolatum Hend. Cirsium undulatum (Nutt.) Spreng. var. ciliolatum Hend.

3. Potentilla ashlandica Greene Potentilla ashlandica Greene

4. Microseris oligantha Greene Microseris oligantha Greene

5. Ranunculus occidentalis Nutt. var. howellii Greene Ranunculus occidentalis Nutt. var. howellii Greene

6. Microseris oligantha Greene Microseris oligantha Greene

7. Article Article

8. Article Article

9. Velaea howellii Coulter & Rose Velaea howellii Coulter & Rose

10. Article Article

11. Ranunculus occidentalis Nutt. var. howellii Greene Ranunculus occidentalis Nutt. var. howellii Greene

12. Article Article

13. Article Article

14. Article Article

15. Eriophyllum lanceolatum Howell Eriophyllum lanceolatum Howell

16. Limnanthes pumila Howell Limnanthes pumila Howell

17. Article Article

18. Eriophyllum lanceolatum Howell Eriophyllum lanceolatum Howell

19. Alopecurus howellii Vasey Alopecurus howellii Vasey

20. Poa argentea Howell ex Vasey Poa argentea Howell ex Vasey
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