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Navicula subfossilis sp.nov., the dominant taxonomic entity of a Pleistocene assemblage from Ellesmere Island, N.W.T.

by Lichti-Federovich, Sigrid
Published in Canadian Journal of Botany (1980)

Palynology of six sections of Late Quaternary sediments from the Old Crow River, Yukon Territory

by Lichti-Federovich, Sigrid
Published in Canadian Journal of Botany (1973)

The pollen stratigraphy of a dated section of Late Pleistocene lake sediment from central Alberta

by Lichti-Federovich, Sigrid
Published in Canadian Journal of Earth Sciences (1970)

Pollen dispersal phenomena in arctic-subarctic Canada

by Ritchie, J.C., Lichti-Federovich, S.
Published in Review of Palaeobotany and Palynology (1967)