A diverse fossil flora of middle to late Albian age occurs in the upper half of the Winthrop
Formation of the Methow basin in north-central Washington State, USA. The formation …

Leaf compressions, spores, and pollen grains referrable to about 45 species were collected
from a series of fine silts and coal stringers in the Parsnip River valley of the Rocky Mountain …

Temporal compositional conservatism of late Middle Pennsylvanian wetland vegetation and
persistence of its dominance–diversity structure through time spans of millions of years have …

The fossil flora and depositional setting of the Early Eocene Falkland site in the southern
interior of British Columbia, Canada, is reported in detail for the first time, using a census …

ABSTRACT Late Carboniferous (Pennsylvanian) fossil floras from the United States are well
studied as adpression, permineralization, and palynomorph assemblages throughout the …

The Princeton chert is one of the most completely studied permineralized floras of the
Paleogene. Remains of over 30 plant taxa have been described in detail, along with a …

Abstract The Paleocene Ravenscrag Formation of southwestern Saskatchewan, Canada, is
a lignite-bearing clay, silt, and sand unit which, in places, bears abundant, well preserved …

This research has been sponsored by a grant from the National Science Foundation (Grant
GB-37533), which is acknowledged with thanks. Prof. Cordell Durrell has kindly identified …

The Fayetteville Formation of northwestern Arkansas contains a unique Upper Mississippian
fossil flora with allochthonous permineralized plant remains recovered from offshore marine …

Fossil leaves, fruits, and seeds are described from a late Eocene lacustrine deposit in the
lower part of the John Day Formation on the southern slope of Iron Mountain east of Clarno …