Silva Center for Phycological Documentation: Index Nominum Algarum

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Indexes (very large files) to all taxa:

_A Z_

Cosmarium speciosum f. triquetrum ('triquetra') Carter
Linn. Soc. J. Bot. 50: 167, figs. 41, 42. 1935. (no description)
Type locality: Canada: various locations in British Columbia
invalid: lacking description; only location detail provided

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Get original family assignment from Index Nominum Genericorum
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