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
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
unclassified | |
Chrysolepis haynesii n. sp., Diplodipelta reniptera, Symphoricarpos salmonense, Ledum idahoensis n. sp., Euptelea dilcherii n. sp.
| |
Polypodiopsida | |
Osmunda occidentale Knowlton 1917 | |
Craigia | |
Ginkgoopsida | |
Ginkgo adiantoides Unger 1845 ginkgo | |
Angiospermae | |
Vauquelinia sp., Spiraea idahoensis n. sp.
Vauquelinia sp. Correa rose
Spiraea idahoensis n. sp. meadowsweet | |
Gleditsia lottii n. sp.
Gleditsia lottii n. sp. | |
Amelanchier dignatus, Sorbus mcjannetii, Sorbus cassiana, Crataegus sp., Crataegus bakeri n. sp., Crataegus haynesii n. sp., Crataegus flavescens
Amelanchier dignatus shadbush
Crataegus sp. Linnaeus 1753 hawthorn
Crataegus bakeri n. sp. hawthorn
Crataegus haynesii n. sp. hawthorn
Crataegus flavescens Bosch 1825 hawthorn | |
Rhamnus columbiana buckthorn | |
Salix sp. Linnaeus 1753 willow
Populus cinnamonoides poplar
Populus eotremuloides Knowlton 1898 poplar | |
Quercus snookensis n. sp., Quercus castormontis n. sp., Quercus moyei n. sp., Quercus haynesii n. sp., Quercus bilobata n. sp., Lithocarpus weidei
| |
Betula lemhiensis n. sp. birch
Betula ashleyi birch
Alnus fairii alder
Alnus lemhiensis n. sp. alder
Alnus latahensis alder | |
Tilia hallii linden
Tilia circularis linden | |
Acer idahoensis maple
Acer florissanti Kirchner 1898 maple
Acer tiffneyi Wolfe and Tanai 1987 maple
Acer macginitiei Wolfe and Tanai 1987 maple
Acer hueberi Wolfe and Tanai 1987 maple | |
Sassafras ashleyi sassafras | |
Platanus idahoensis n. sp.
Platanus idahoensis n. sp. plane tree | |
Fraxinus stenocarpa n. sp.
Fraxinus stenocarpa n. sp. ash | |
Cercidiphyllum crenatum Brown 1935 katsura | |
Mahonia simplex barberry
Mahonia creedensis barberry | |
Typha lesquereuxi Cockerell 1908 bulrush | |
Dicotyledoneae | |
Rhododendron chaneyi rhododendron | |
Pinopsida | |
Abies idahoensis n. sp., Pinus ponderosoides, Pinus alvordensis, Pinus baileyii n. sp., Pinus prestrobus n. sp., Pseudotsuga glaucoides, Picea coloradensis, Larix lemhiensis n. sp.
Abies idahoensis n. sp. fir
Pinus ponderosoides pine
Pinus alvordensis pine
Pinus baileyii n. sp. pine
Pinus prestrobus n. sp. pine
Picea coloradensis spruce
Larix lemhiensis n. sp. larch | |
Taxodium dubium Sternberg 1824 cypress
Sequoia affinis Lesquereux 1876 coast redwood
Cunninghamia marquettii n. sp. cypress
Chamaecyparis edwardsii n. sp. cypress |