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Dryopteris obscura
Dryopteris obscura E.W. Berry Proc. U.S. Natl. Mus., 72(2719, Art. 23): 5. 19 Dec 1927
- Name
- Dryopteris obscura
- Rank
- Species
- Generic Name
- [Genus] Dryopteris
- Replaced Name
- Gleichenia obscura
- Authors (Pub.)
- Berry E. W.
- Publication
- The flora of the Esmeralda formation in western Nevada [1927/12]
- Journal
- Proceedings of the United States National Museum
- Volume
- 72
- Issue
- 2719, Art. 23
- Page number
- 5
- Year
- 1927
- Fossil Status
- foliage
- Stratigraphy
- Langhian
- Strat. comment
- Esmeralda Formation = K-Ar age on glass 15.6 +/-0.5 Ma
- Location
- 3.8 kilometers northeast of Emigrant Peak, Nevada, USA
- Paleoregion
- America (North)