Silva Center for Phycological Documentation: Index Nominum Algarum

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Indexes (very large files) to all taxa:

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Ulva verticillata Withering
Arr. Brit. Pl., ed. 3, 4: 127. 1796. (E)
Type locality: England: "Sea coast"
Collector: Major Velley

See Batrachospermum rivularioides Bory de Saint-Vincent 1822 (illeg.)
See Batrachospermum verticillatum (Withering) C. Agardh 1817
See Borrichius gelatinosus S.F. Gray 1821 (illeg.)
See Dudresnaya verticillata (Withering) Le Jolis 1863
See Rivularia verticillata (Withering) J.E. Smith 1813
[description taken in part from Velley (in litt.), but no indication that he proposed the name]

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