Buckeye Flat Locality 104 (Eocene of the United States)

Where: Nevada County, California (39.2° N, 120.9° W: paleocoordinates 40.8° N, 106.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Middle Eocene (47.8 - 37.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; shale

Size class: macrofossils

Preservation: mold/impression, adpression, original carbon

Collection methods: surface (in situ),

Primary reference: H. D. MacGinitie. 1941. A Middle Eocene Flora from the Central Sierra Nevada. Carnegie Institution of Washington Publication 534:1-178 [H. Sims/H. Lindon/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24000: authorized by Hallie Sims, entered by Heather Lindon on 26.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Polypodiopsida
 Schizaeales - Polypodiidae
Lygodium kaulfussi Heer climbing fern
Heer
Angiospermae
 Laurales - Lauraceae
Cinnamomum acrodromum Potbury 1935 cinnamon
Potbury
Cinnamomum dilleri Knowlton 1902 cinnamon
Knowlton
Persea pseudocarolinensis Lesquereux 1878 laurel
Lesquereux
 Icacinales - Icacinaceae
Phytocrene sordida Lesquereux 1878 white pear
new comb.
 Saxifragales - Hamamelidaceae
Liquidambar californicum Lesquereux 1878 sweetgum
Lesquereux
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum elongatum Brown 1939 katsura
Brown
 Proteales - Platanaceae
"Platanophyllum whitneyi" = Macginitiea whitneyi, Platanus appendiculata
"Platanophyllum whitneyi" = Macginitiea whitneyi Lesquereux 1878
new comb.
Platanus appendiculata Lesquereux 1878 plane tree
Lesquereux
 Rosales - Ulmaceae
Chaetoptelea pseudofulva Lesquereux 1878 elm
new comb.
 Rosales - Rhamnaceae
Rhamnidium chaneyi Potbury 1935 buckthorn
Potbury
 Fagales - Fagaceae
Castanopsis longipetiolatum Knowlton 1899 chinquapin
new comb.
Quercus nevadensis Lesquereux 1878 oak
Lesquereux
 Fagales - Juglandaceae
Engelhardtia nevadensis MacGinitie 1941
 Malpighiales - Euphorbiaceae
Mallotus riparius MacGinitie 1941 spurge
new name
 Malpighiales - Salicaceae
Salix ionensis MacGinitie 1941 willow
 Sapindales - Sapindaceae
Thouinopsis myricaefolia Lesquereux 1878 soapberry
new comb.
 Sapindales - Anacardiaceae
Rhus mixta Lesquereux 1878 sumac
Lesquereux
 Sapindales - Burseraceae
Canarium californicum Lesquereux 1878
(Rumphius) Linnaeus
 Rosids - Moraceae
Ficus goshenensis Chaney and Sanborn 1933 fig
Chaney and Sanborn
Ficus densifolia Knowlton 1899 fig
Knowlton
Dicotyledoneae
 Ericales - Theaceae
Gordonia egregia Lesquereux 1878 tea
new comb.
 Bennettitales -
Zamites californica MacGinitie 1941
Carpites
  -
Carpites egregia MacGinitie 1941