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Gloeotrichia pisum (C.Agardh) Thur.

Specimen

MNHN-PC-PC0123737
Collins F.S., Holden I. & Setchell W.A., Phycoth. Bor.-Amer., ed.1**, 1310
With young spores ; the form distributed as P.B.-A. n°311 is a later, floating form, containing little but ripe spores.

Taxonomy

Algues
Gloeotrichia pisum (C.Agardh) Thur.

Origin

Massachusetts
Wakefield
Lake Quannapowitt
1906-9-23
On stems of flowering plants.

Determination history

Collins, Holden & Setchell
Collins, Holden & Setchell