Spermothamnion investiens (P.Crouan & H.Crouan) Vickers

• Region

  North America

• Country

  Bermuda

• Locality

  Near Gibbet Island

• Coordinates

  32.3232, -64.7438

• Coordinate Uncertainty (m)

  139.569

• Georeferencing Method

  BioGeomancer, Guide to Best Practices for Georefer. Located coordinates of geogr. center of Gibbett Island. Measured from coord. to farthest extent of the island x2 = linear ext. (128 m). Used MaNIS Georef. Calculator to find uncertainty (Near A Feature).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

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Collins & “ervey.Algae of Bermuda.Contri-
butions Bermuda Biological Station for Re-
search no. 69, page 132 August 1917
1. S. INVESTIENS (Crouan) Vickers, 1905, p. 64; Callithamnion
investims Crouan in Maze & Schramm, 1870-1877, p. 141. On
’ Galaxaura squalida, Gravelly Bay, April, St. David’s Island, April,
' Collins; Harris Bay, Dec., Hervey. The dimensions of the Bermuda
plant agree with those given by Miss Vickers for the Barbados plant;
Borgesen, 1909, p. 17, fig. 10, describes and figures var cidaricola from
the Danish West Indies; the dimensions are considerably larger than
in the typical form, but the habit and the tetraspores are the same as
in the Bermuda plant. f l
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