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1 record found in the Index Nominum Genericorum database.

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Diacritical Conversion

Williamsoniella H. H. Thomas, Philos. Trans., Ser. B. 207: 136, 144. 14 Dec 1915.
LT.: W. coronata H. H. Thomas (l.c. 115) (vide T. M. Harris, Yorkshire Jurassic Fl. 3: 142. Feb 1969)
Fertile shoots; Middle Jurassic; Gristhorpe Bed, Yorkshire, England.
FOSSIL-GYMNOSPERMAE-BENNETTITALES (104) 01 Aug 2017

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