Acer florissanti

†Acer florissanti

Taxonavigation

Taxonavigation: Sapindales
Classification System: APG IV Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Rosids Cladus: Eurosids II Ordo: Sapindales

Familia: Sapindaceae
Subfamilia: Hippocastanoideae
Tribus: Acereae
Genus: Acer
Sectio: †A. sect. Glabroidea
Species:†Acer florissanti

Name

†Acer florissanti W.C.G.Kirchner Trans. Acad. Sci. St. Louis, 8(9): 181. 10 Dec 1898

Synonyms

• Heterotypic
  • †Acer mysticum W.C.G.Kirchner 1898. 181. pl. 11, f. 2.
  • †Acer mystichum (W.C.G.Kirchner) J.A.Wolfe & Tanai J. Fac. Sci. Hokkaido Univ., Ser. 4, Geol., 22(1): 130. Feb 1987
  • †Acer kirchnerianum Knowlton. 1916. 282.
  • †Acer glabroides auct. non R. W. Brown. Becker. 1969 (part). 113, pl. 35, f. 15; pl. 36, f. 3.
• Pro Parte, non-typic
  • †Acer indivisum Lesquereux (non C.O.Weber, 1852; part, non-typic). 1883. 18. pl. 36, f. 9.

Type material

• Holotype: USNM 33673 (leaf)
  • Repository: United States National Museum, Smithsonian Institution, National Mall, Washington DC, United States

• Referred material: DMNH 541O8 A&B, 56257, 56260 (fruits)
  • Repository: Denver Museum of Nature and Science, Denver, Colorado, Unites States

• Referred material: UCMG "6 unnumbered specimens" (leaves) 5188(D), 18702 (fruits)
  • Repository: Colorado University Museum of Natural History, Colorado University, Boulder, Boulder County, Colorado, United States

• Referred material: UCMP 3827 (leaf) 3834, 9324, 20819 (fruits)
  • Repository: Museum of Paleontology, University of California Berkeley, Berkeley, Alameda County, California, Unites States

• Referred material: UMMP 33618 (leaf)
  • Repository: University of Michigan Museum of Paleontology, Ann Arbor, Washtenaw County, Michigan, United States

• Referred material: USNM 396040-396044, 33761 (leaves) 1833, 3674, 33296, 33297, 333401, 96045, 396046 (fruits)
  • Repository: United States National Museum, Smithsonian Institution, National Mall, Washington DC, United States

• Referred material: YPM/NYBG 828, 830 A,B (leaves)
  • Repository: Paleobotany collections, Yale Peabody Museum, New Haven, Connecticut, United States
    • Note: Specimens originally in New York Botanic Gardens collection, transferred to the Yale Peabody Museum circa 2014.

Type locality

• Eocene, Priabonian/Chadronian; Florissant Formation; Florissant Fossil Beds National Monument, near Florissant, Teller County, Colorado, USA

Etymology

• "Supposedly named for the town of, or fossiliferous beds near, Florissant, Colorado"

Distribution

Eocene

• Priabonian/Chadronian
  • Florissant Formation; Site USGS 8511, Florissant Fossil Beds National Monument, near Florissant, Teller County, Colorado, United States
  • Renova Formation; Beaver Creek (-), Beaverhead Basin, Powell County, Montana, United States
  • Renova Formation; Johnson Creek (Becker 213), Beaverhead Basin, Beaverhead County, Montana, United States
  • Renova Formation; Ruby (-), Beaverhead Basin, Beaverhead County, Montana, United States

References

Primary references

• Kirchner, W.C.G. 1898. Contribution to the fossil flora of Florissant. Transactions of the Academy of Science of St. Louis 8(9): 161–188, pl. 11-15. BHL. Reference page. 
• Knowlton, F.H. 1916. A review of the fossil plants in the United States National Museum from the Florissant lake beds at Florissant, Colo., with descriptions of new species and list of type specimens. Proceedings of the United States National Museum 51: 241–297. ISSN 0096-3801.  BHL Reference page. 
• Becker, H.F. 1969. Fossil plants of the Tertiary Beaverhead Basins in Southwestern Montana. Palaeontographica. Abteilung B, Paläophytologie 127(1-6): 1–61. ISSN 0375-0299.  Reference page. 
• Wolfe, J.A. & Tanai, T. 1987. Systematics, Phylogeny, and Distribution of Acer (maples) in the Cenozoic of Western North America. Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and Mineralogy 22(1): 1–246.  PDF Reference page. 

Links

• IFPNI International Editorial Board 2014–2026. The International Fossil Plant Names Index. Acer florissanti. Published online. Accessed: 2026 Jan 02.