Silva Center for Phycological Documentation: Index Nominum Algarum

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Indexes (very large files) to all taxa:

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Penium digitus Brébisson ex Ralfs
Brit. Desmid.: 150, pl. XXV: fig. 3. 1848. (E)
Type locality: UK (Dolgellau; Penzance; Ambleside); Germany; France; USA
Collector: Ralfs; Jenner; Sidebotham; etc.
Later Starting-point name based on Closterium digitus Ehrenberg

See image Netrium digitus (Brébisson ex Ralfs) Itzigsohn & Rothe 1856
[also cites Closterium lamellosum Brébisson, Pleurosicyos myriopodus Corda, Polysolenia closterium,]

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RALFS, John
1848 (Jan. 1)
The British Desmidieae
London: Reeve, Benham, and Reeve, King William Street, Strand
xxii + 226 pp., XXXV pls.
cardnote: The drawings by Edward Jenner. ICN fixes this publication as starting point for nomenclature of Desmidiaceae (s.l.)
Taxa in INA: 88 keyboarded  p

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