Germer Basin flora P-29 (Eocene of the United States)

Where: Custer County, Idaho (44.4° N, 114.2° W: paleocoordinates 49.7° N, 98.1° W)

• small collection-level geographic resolution

When: Germer Tuffaceous Member (Challis Volcanics Formation), Early/Lower Eocene (55.8 - 48.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: lacustrine - small

• tuffaceous shale

Size class: mesofossils

Preservation: mold/impression, original carbon

Collection methods: bulk,

Primary reference: D. W. Edelman. 1975. The Eocene Germer Basin Flora of South-Central Idaho. 1-126 [B. Tiffney/J. Fosdick/B. Tiffney]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35338: authorized by Bruce Tiffney, entered by Julia Fosdick on 01.12.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Angiospermae
 Sapindales - Sapindaceae
Aesculus montanus
 Sapindales - Meliaceae
Cedrela pteraformis
 Malpighiales - Salicaceae
Salix knowltoni
 Saxifragales - Grossulariaceae
Ribes sp.
Ribes sp. Linnaeus 1753 currant
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum elongatum
Cercidiphyllum elongatum Brown 1939 katsura
 Laurales - Lauraceae
Sassafras ashleyi
 Coniferales - Cupressaceae
Sequoia affinis, Metasequoia occidentalis
Sequoia affinis Lesquereux 1876 coast redwood
Metasequoia occidentalis Chaney 1951 dawn redwood
Pinopsida
 Pinales - Pinaceae
Pseudolarix americana, Pinus wheeleri
Pinus wheeleri Cockerell 1908 pine
Polypodiopsida
 Equisetales - Equisetidae
Equisetum cf. arcticum
Equisetum cf. arcticum Heer 1866 horsetail