Staurastrum subcornutum

• Region

  North America

• Country

  United States of America

• State/Province

  Massachusetts

• County/Municipio

  Middlesex Co.

• Locality

  Middlesex Fells, Hemlock Pool, among Utricularia

• Coordinates

  42.4524, -71.1015

• Coordinate Uncertainty (m)

  3481.38

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Can't find Hemlock Pond/Pool. Located coordinates of geogr. center of Middlesex Fells. Measured from coord. to farthest extent of the park to find linear extent (3470 m). Used MaNIS Georef. Calculator to find uncertainty (Bounded Area).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

Phycotheca Boreali-Americana.
Collins, Holden and Setchell.
1830. Staurastrum subcornutum
De Toni.
De Toni, Syll. Alg., Vol. I, p. 1144, 1889.
S. comutum Wolle, Bull. Torrey Bot. Club, Vol. XII, p. 4, PI.
XLVII, figs. 3, 4, 1885; Desm. of the U. S., 2d ed., p. 158,
PL XLVI, figs. 11, 12; PI. XLVIII, figs. 3, 4, 1892; not
S. comutum Archer.
Among Utricularia, Hemlock Pool, Middlesex Fells,
Massachusetts, July 31, 1910.
F. S. COLLINS.
In company with other species of desmids, the only one
for which it could be mistaken being Arthrodesmus con-
vergens Ralfs, which resembles it in front view, but is quite
different in vertical view. The dimensions are usually con-
siderably less than those given by Wolle.
~NFW YORK BOTANICAL GARDEN
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