Lower Haynes Creek Florule (Oligocene of the United States)

Where: Lemhi County, Idaho (45.2° N, 113.9° W: paleocoordinates 46.5° N, 106.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Mulkey Creek Member (Salmon City Formation), Rupelian (33.9 - 28.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; poorly lithified, sandy siltstone

• Vitric siliceous siltstones & shales, vitric sandstones, quartz arenites in upper part with minor carbonaceous beds and no gravel.

Size class: macrofossils

Preservation: mold/impression, adpression, original carbon

Collection methods: quarrying, mechanical,

Primary reference: D.I. Axelrod. 1998. The Oligocene Haynes Creek Flora of Eastern Idaho. University of California Publications in Geological Sciences 143:1-99 [B. Tiffney/M. Sherwood/B. Tiffney]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 27569: authorized by Bruce Tiffney, entered by Bruce Tiffney on 11.12.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

 Coniferales - Cupressaceae
Taxodium dubium Sternberg 1824 cypress
Cunninghamia marquettii n. sp. cypress
Sequoia affinis Lesquereux 1876 coast redwood
Chamaecyparis edwardsii n. sp. cypress
 Ginkgoales - Ginkgoaceae
Ginkgo adiantoides Unger 1845 ginkgo
 Ericales - Ericaceae
 Laurales - Lauraceae
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum crenatum Brown 1935 katsura
 Lamiales - Oleaceae
 Ranunculales - Berberidaceae
 Proteales - Platanaceae
Platanus idahoensis n. sp. plane tree
 Poales - Typhaceae
Typha lesquereuxi Cockerell 1908 bulrush
 Malvales - Tiliaceae
 Sapindales - Sapindaceae
Acer salmonensis maple
sps mis-spelled in Appendix 1, listed twice
Acer hueberi Wolfe and Tanai 1987 maple
Acer macginitiei Wolfe and Tanai 1987 maple
Acer tiffneyi Wolfe and Tanai 1987 maple
Acer florissanti Kirchner 1898 maple
 Malpighiales - Salicaceae
Populus eotremuloides Knowlton 1898 poplar
Salix lemhiensis n. sp. willow
Reported twice in Appendix 1
Salix sp. Linnaeus 1753 willow
 Rosales - Rhamnaceae
 Rosales -
 Rosales - Ulmaceae
 Rosales - Rosaceae
Vauquelinia sp. Correa rose
Spiraea idahoensis n. sp. meadowsweet
 Rosales - Pomaceae
Crataegus sp. Linnaeus 1753 hawthorn
Crataegus bakeri n. sp. hawthorn
Crataegus haynesii n. sp. hawthorn
Crataegus flavescens Bosch 1825 hawthorn
 Fagales - Fagaceae
Quercus castormontis n. sp. oak
listed as Q. predayana in Appendix 1
Quercus moyei n. sp. oak
listed twice in Appendix 1
Quercus haynesii n. sp. oak
Quercus bilobata n. sp. oak
 Fagales - Betulaceae
 Pinales - Pinaceae
 Osmundales - Polypodiidae
Osmunda occidentale Knowlton 1917