Two New Species of the Pinnate Microsporophyll Pramelreuthia from the Upper Triassic of the Southwestern United States
| Autor: | Ash, Sidney, Litwin, Ronald J. |
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| Zdroj: | American Journal of Botany, 1996 Aug 01. 83(8), 1091-1099. |
| Databáze: | JSTOR Journals |
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