Concepedia

Johanna A. Clement-Westerhof

JA

Statistics

Publications

4

Citations

324

H-Index

4

Active since

1984

Affiliations

Utrecht University(Current)

Johanna A. Clement-Westerhof is an author at Utrecht University specializing in palynology, paleobotany, and palynomorph morphology.

Publications per year

1984–1997

4

Publications

4

Aspects of Permian palaeobotany and palynology. IV. The conifer Ortiseia florin from the val gardena formation of the dolomites and the Vicentinian alps (Italy) with special reference to a revised concept of the Walchiaceae (Göppert) Schimper

Johanna A. Clement-Westerhof · Review of Palaeobotany and Palynology · 1984 · 118 citations · Full text

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Aspects of permian palaeobotany and palynology, VII. the majonicaceae, a new family of late permian conifers

Johanna A. Clement-Westerhof · Review of Palaeobotany and Palynology · 1987 · 118 citations · Full text

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ASPECTS OF PERMIAN PALAEOBOTANY AND PALYNOLOGY. VI. TOWARDS A FLEXIBLE SYSTEM OF NAMING PALAEOZOIC CONIFERS

Henk Visscher, J.H.F. Kerp, Johanna A. Clement-Westerhof · Acta Botanica Neerlandica · 1986 · 55 citations

, , +14

Aspects of Permian palaeobotany and palynology. XVII. Conifer extinction in Europe at the Permian-Triassic junction: Morphology, ultrastructure and geographic/stratigraphic distribution of Nuskoisporites dulhuntyi (prepollen of Ortiseia, Walchiaceae)

R.J. Poort, Johanna A. Clement-Westerhof, Cindy V. Looy et al. · Review of Palaeobotany and Palynology · 1997 · 33 citations

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