Silva Center for Phycological Documentation: Index Nominum Algarum

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Indexes (very large files) to all taxa:

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Pterotheca major Jousé
Bot. Mater. Bot. Inst. Akad. Nauk SSSR, Spor. Rast. 10: 101, pl. VI: fig. 2, text-fig. 1. 1955. (L)
Type locality: Russia: Urals and western Siberia
Late Eocene

See Ktenodiscus major (Jousé) S. Blanco & C.E. Wetzel 2016

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