The late Oligocene Creede flora, Colorado /

Taxonomic revision of the Spermatopsida of the Oligocene Creede flora, southern Colorado /
by: Wolfe, Jack A., 1936-, et al.
Published: (1990)

Catalogue of Cainozoic plants in the Department of Geology.
by: Reid, Eleanor Mary, 1860-1953
Published: (1985)

The Rujada flora of west central Oregon.
by: Lakhanpal, Rajendra Nath
Published: (1958)

Paleogene floras from the Gulf of Alaska region /
by: Wolfe, Jack A., 1936-

Oligocene marine diatoms recovered in dredge samples from the Navarin Basin Province, Bering Sea /
by: Baldauf, Jack G.
Published: (1987)

The Eocene Green River flora of northwestern Colorado and northeastern Utah /
by: MacGinitie, H. D. (Harry Dunlap), 1896-
Published: (1969)

Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and earliest Oligocene of the eastern Gulf Coast /
by: Frederiksen, Norman O.
Published: (1988)

Paleogene biostratigraphy of nonmarine rocks in King County, Washington /
by: Wolfe, Jack A., 1936-

Cretaceous plants from southwestern Colorado.
by: Brown, Roland W. (Roland Wilbur), 1893-1961
Published: (1950)

The flora of the Catahoula Sandstone /
by: Berry, Edward Wilber, 1875-1945
Published: (1916)

Mio-Pliocene floras from west-central Nevada.
by: Axelrod, Daniel I.
Published: (1956)

A flora of Pottsville Age from the Mosquito Range, Colorado /
by: Read, C. B.
Published: (1934)

The early Miocene Buffalo Canyon flora of western Nevada /
by: Axelrod, Daniel I.
Published: (1991)

The flora of the Fox Hills sandstone /
by: Knowlton, Frank Hall, 1860-1926
Published: (1917)

The Eocene copper basin flora of northeastern Nevada /
by: Axelrod, Daniel I.
Published: (1966)

Lepidodendron johnsonii, sp. nov., from the lower Pennsylvanian of central Colorado /
by: Arnold, Chester A. (Chester Arthur), 1901-1977
Published: (1940)

Fossil plants of the Florissant beds : Colorado.
by: MacGinitie, H. D. (Harry Dunlap), 1896-
Published: (1953)

The flora of the Denver and associated formations of Colorado /
by: Knowlton, Frank Hall, 1860-1926
Published: (1930)

Palmlike plants from the Dolores formation (Triassic), southwestern Colorado /
by: Brown, Roland W. (Roland Wilbur), 1893-1961
Published: (1956)

The recognizable species of the Green River flora /
by: Brown, Roland W. (Roland Wilbur), 1893-1961
Published: (1934)

The middle Miocene Pyramid flora of western Nevada /
by: Axelrod, Daniel I.
Published: (1992)

Paleogene floras from the Gulf of Alaska region /
by: Wolfe, Jack A., 1936-
Published: (1977)

A miocene flora from the western border of the Mohave desert : by Daniel I. Axelrod.
by: Axelrod, Daniel I.
Published: (1939)

Eocene flora of western America /
Published: (1937)

Pliocene floras of California and Oregon /
by: Chaney, Ralph W. (Ralph Works), 1890-1971
Published: (1944)

A new calamite from Colorado /
by: Arnold, Chester A. (Chester Arthur), 1901-1977
Published: (1956)

Studies in late Tertiary paleobotany.
by: Axelrod, Daniel I.
Published: (1950)

The flora of the Ripley formation.
by: Berry, Edward Wilber, 1875-1945
Published: (1925)

Additions to the Wilcox flora from Kentucky and Texas /
by: Berry, Edward Wilber, 1875-1945
Published: (1941)

Flora tertiaria Helvetiae. : Die tertiare flora der Schweiz /
by: Heer, Oswald, 1809-1883
Published: (1855)

The Upper Cretaceous and Eocene floras of South Carolina and Georgia /
by: Berry, Edward Wilber, 1875-1945
Published: (1914)

Additions to the flora of the Green River Formation /
by: Brown, Roland W. (Roland Wilbur), 1893-1961
Published: (1929)

The Tertiary floras of Alaska /
by: Hollick, Charles Arthur, 1857-1933
Published: (1936)

The flora of the Frontier formation /
by: Berry, Edward Wilber, 1875-1945
Published: (1929)

The Kilgore flora ; a late Miocene flora from northern Nebraska.
by: MacGinitie, H. D. (Harry Dunlap), 1896-
Published: (1962)

The flora of the Chuckanut formation of northwestern Washington ; the Equisetales, Filicales, and Coniferales /
by: Pabst, Marie B.
Published: (1968)