Acer oregonianum

Taxonavigation

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

Familia: Sapindaceae
Subfamilia: Hippocastanoideae
Tribus: Acereae
Genus: Acer
Sectio: Acer sect. Macrophylla
Species:†Acer oregonianum

Name

Acer oregonianum Knowlton Bull. U.S. Geol. Surv., (204): 72. Dec 1902

Type material

• Lectotype: USNM 8497 (fruit)
  • Repository: United States National Museum, Smithsonian Institution, National Mall, Washington DC, United States

• Referred Material: USNM 396167-396170, 396177, 396178, 396018 (leaves) 8494-8496, 96171, (Cf.), 396176(Cf.) 396179-396181 (fruits)
  • Repository: United States National Museum, Smithsonian Institution, National Mall, Washington DC, United States

• Referred Material: UCMP 9163-9167, 9347-9349 (leaves) 3192, 3193 9350, 9168, (fruits)
  • Repository: Museum of Paleontology, University of California Berkeley, Berkeley, Alameda County, California, Unites States

Type locality

• Eocene, Late Eocene; Challis Volcanics, Salmon Flora; Salmon (USGS 8173), Lemhi County, Idaho, United States

Etymology

• None given

Distribution

Oligocene

• "Late Oligocene"
  • Little Butte Formation; Three Lynx flora (USGS 9674), near the Three Lynx powerplant, Clackamas County, Oregon, United States
  • Little Butte Formation; Shale City flora (USGS 9262), east of Medford, Jackson County, Oregon, United States

Miocene

• Aquitanian
  • Little Butte Formation; Collawash II (UCMP PA-l, USGS 9256), near the Collawash River, Clackamas County Oregon, United States
  • Little Butte Formation; Little Butte Creek (USGS 8914), east of Medford, Jackson County, Oregon, United States
• Aquitanian-Serravallian (Hemingfordian-Barstovian NALMA)
  • Mascall Formation; Riverbank Locality IV (UCMP P4127); Grant County, Oregon, United States
  • Mascall Formation; White Hills/Dayville (UCMP 3735, UCMP P4129); Grant County, Oregon, United States
• Burdigalian-Langhian
  • Little Butte Formation, Moose Mountain Flora (Cascadia flora, Menagerie Wilderness flora); Cascadia (USGS 9350, UCMP P-388), Linn County, Oregon, United States
• Serravallian-Tortonian (Clarendonian NALMA)
  • Sardine Formation; Hidden Lake Flora (USGS 9349), Lane County, Oregon, United States
  • Sardine Formation; Faraday Dam Flora (USGS 9281), Clackamas County, Oregon, United States
• Tortonian
  • Poison Creek Formation, Weiser Flora; Hog Creek (USGS 8923, UCMP 635), Washington County, Idaho, United States
• "Late Miocene"
  • Hammer Bluff Formation; Hammer Bluff Flora (USGS 9411), near Palmer, King County, Washington, United States

References

Primary references

• Knowlton, F.H. (1902). "Fossil flora of the John Day Basin, Oregon". Bulletin of the United States Geological Survey. C, Systematic Geology and Paleontology. Vol. 58 (204). pp. 1–153, pl. 1–17. doi:10.3133/b204. 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. 

Additional references

• Peck, D.L., Griggs, A.B., Schlicker, H.G., Wells, F.G. & Dole, H.M. 1964. Geology of the central and northern parts of the western Cascade Range in Oregon. United States Geological Survey; Professional Paper (Washington, DC: United States Government Printing Office) 449: 1-56, pl.1. doi:10.3133/pp449. ISSN 1044-9612.  Reference page. 

Links

• IFPNI International Editorial Board 2014–2026. The International Fossil Plant Names Index. Acer oregonianum. Published online. Accessed: 2026 Jan 11.