Details for: Athyrium alpestre var. americanum

2 different source(s) use this name:

- Vascular Plants of Russia and Adjacent Countries as of 26.10.96
- USDA Plants Database, generated January 15, 1997

Source: Vascular Plants of Russia and Adjacent Countries as of 26.10.96 Name: Athyrium alpestre var. americanum Butters Nomencl. ref. Rhodora 19: 204 (1917) Rank: Varietas Status: SYNONYM Is basionym for: Athyrium americanum (Butters) Maxon Synonym of: Athyrium americanum (Butters) Maxon   SourceStatusDesignation: S

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Source: USDA Plants Database, generated January 15, 1997 Name: Athyrium alpestre var. americanum Butters Rank: Varietas Status: SYNONYM Is basionym for: Athyrium americanum (Butters) Maxon Synonym of: Athyrium americanum (Butters) Maxon   Geography: US(AK, CA, CO, ID, MT, NV, OR, UT, WA, WY) Reference in Source: For reference information check with USDA NRCS Plants Database at http://plants.usda.gov/ SourceStatusDesignation: S

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