Bulletin of the United States Geological Survey
Abbreviation: Bull. U.S. Geol. Surv.
Publisher: Goverment Printing Office, Washington
ISSN: 8755-531X
Citations in Fossil Plant Names
Ward, L. F. (1887): Types of the Laramie flora. – Bull. U.S. Geol. Surv. 37: 1–354.
Upchurch, G. R., Jr. & Dilcher, D. L. (1990): Cenomanian angiosperm leaf megafossils from the Rose Creek locality of the Dakota Formation, southeastern Nebraska. – Bull. U.S. Geol. Surv. 1915: 1–55, 31 pls.
Note
Year from 1883
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