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1 record found in the Index Nominum Genericorum database.

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Diacritical Conversion

Pteridotheca D. H. Scott, Progr. Rei Bot. 1: 183. 1907.
T.: P. williamsonii D. H. Scott ('williamsoni')
Annulate sporangia; Upper Carboniferous; England.
FOSSIL-FILICOPHYTA (104) 9 Feb 1996

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