Cosmarium pseudopyramidatum

• Region

  North America

• Country

  United States of America

• State/Province

  Massachusetts

• County/Municipio

  Middlesex Co.

• City/Township

  Stoneham

• Locality

  in a small pool, among other algae

• Coordinates

  42.4762, -71.0962

• Coordinate Uncertainty (m)

  3771.36

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Located coordinates of geogr. center of Stoneham. Measured from coord. to farthest extent of the town to find linear ext. (3760 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.
1820. Cosmarium punctulatum Breb.
Br6bisson, Liste Desm., p. 129, PI. I, fig. 16, 1856.
Wolle, Desm. of the U. S., p. 74, PI. XIII, fig. 4f 1884.
De Toni, Syll. Alg., Vol. I, p. 961, 1889.
W. & G. S. West, Brit. Desm., Vol. Ill, p. 206, PI. LXXIV,
figs, 13, 14, 1908.
Among submerged moss, with various other algae, Hem-
lock Pool, Middlesex Fells, Massachusetts, Sept. 24, 1911.
F. S. COLLINS.
This material contains the typical form of the species,
var. subpunctulatum (Nordst.) Boerg., and a form in which
the granules are very small and scanty.
NEW YORK BOTANICAL GARDEN
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