Micractinium pusillum Fresen.

• Region

  North America

• Country

  United States of America

• State/Province

  Massachusetts

• County/Municipio

  Middlesex Co.

• City/Township

  Winchester

• Locality

  Alewive Brook

• Coordinates

  42.4552, -71.1464

• Coordinate Uncertainty (m)

  3601.38

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Can't find Alewive Brook. Located coordinates of geogr. center of 3590. Measured from coord. to farthest extent of the town to find linear extent (3590 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,
1997.	Micractinium pusillum Presen.
Fresenius, Abh. Senckenb. naturi. Ges., Vol. II, p. 236-237,
Taf. XI, Pig. 46-49, 1857.
Wille in Engler & Prantl., Nat. Pflanzenfamilien, Teil I, Abt. 2,
Nachtrag, p. 58, fig. 29c, 1909. 1
Riehteriella botryoides Lemmermann, Ber. Deutsch. Bot.
Ges., Vol. XVIII, p. 90, PI. Ill, figs. 1-10, 19Q&
Alewive Brook, Winchester, Massachusetts, May, 1913.
RALPH HARTSHORN.
The same material as that distributed under Actinastrum
Hantzschii and Scenedesmus quadricauda var. maximus,
Nos. 1995 and 1996.