Spirogyra porticalis var. tenuispira Collins

• Region

  North America

• Country

  United States of America

• State/Province

  Massachusetts

• County/Municipio

  Middlesex Co.

• City/Township

  Wakefield

• Locality

  Lower Pond

• Coordinates

  42.4896, -71.0369

• Coordinate Uncertainty (m)

  419.569

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Located coordinates on shore closest to geogr. center of Lower Pond. Measured from coord. to farthest extent of the pond to find linear extent (408 m). Used MaNIS Georef. Calculator to find uncertainty (Bounded Area).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

Phycotheca Boreali«Amerfcana. Collins, Holden Ù Setchell.
1668. Spirogyra porticalis var. tenuispira Collins ms.
a.	Floating in Lake Quannapowitt, Wakefield, Massachusetts, July
18, 1909.
b.	& c., Lower Fond, Wakefield, Massachusetts, Aug. 13, 1910.
b, vegetative; c, with ripe spores.
F. S. COLLINS.
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