Closterium intermedium Ralfs

• Region

  North America

• Country

  United States of America

• State/Province

  Massachusetts

• County/Municipio

  Barnstable Co.

• City/Township

  Eastham

• Locality

  in small pond, among Utricularia

• Coordinates

  41.8371, -69.9734

• Coordinate Uncertainty (m)

  5561.57

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Pond unknown. Located coordinates of geogr. center of Eastham. Measured from coord. to farthest extent of the area to find linear extent (5550 m). Input info. into MaNIS Georef. Calc. to find uncertainty radius (Bounded Area).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

BOTANICAL

o-arde1!

NEW YORK BOTANICAL GARDEN

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1958. Closterium intermedium

Ralfs.

Ralfs, Brit. Desm., p. 171, PI. XXIX, fig. 3, 1848.

De Toni, Syll. Alg., Vol. I, p. 834, 1889.

West, Monogr. Brit. Desm., Vol. I, p. 125, PI. XIV, figs.
1-5, 1904.

Among Utricularia, in small pond, Eastham, Massa-
chusetts, Sept. 8, 1912.

F. S. COLLINS.

Several other species of Closterium occur in this material;
C. gracile is much more slender, C. Venus much more curved,
C. striolatum is larger, and has 12-20 striae, while C. inter-
medium has 10 or less.

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COLUMBIA

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