Saxifragispermum
Taxonavigation
editTaxonavigation: Malpighiales |
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Classification System: APG IV
Superregnum: Eukaryota |
Familia: Salicaceae
Genus: †Saxifragispermum
Species: S. spinosissimum – S. tetragonalus
Name
editReferences
edit- Manchester, Steven. R. (1994); "Fruits and seeds of the Middle Eocene Nut Beds Flora, Clarno Formation, Oregon." Palaeontographica Americana 58: 1–205.
- Boucher, Lisa D. Manchester, Steven R. & Judd, Walter S. 2003 "An extinct genus of Salicaceae based on twigs with attached flowers, fruits, and foliage from the Eocene Green River Formation of Utah and Colorado, USA" American Journal of Botany 90:1389-1399