Biblioteca - Ingemmet

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Watt, Arthur D.

Index of generic names of fossil plants 1974-1978. Based on the compedium index of Paleonbotany of the U.S. Geological Survey Washington - Washington, D.C. U.S. Geological Survey 1982 - 63 p. - U.S. Geological Survey Bulletin n.1517 .

Subjects--Topical Terms:
NOMENCLATURA
PALEOBOTANICA

Subjects--Geographic Terms:
ESTADOS UNIDOS