Spirogyra irregularis

• Region

  North America

• Country

  United States of America

• State/Province

  Illinois

• County/Municipio

  Coles Co.

• City/Township

  Charleston

• Locality

  Tile Factory Pond

• Coordinates

  39.4847, -88.1914

• Coordinate Uncertainty (m)

  7841.39

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Can't find pond. Located coordinates of geogr. center of Charleston. Measured from coord. to farthest extent of the city to find linear extent (7830 m). Used MaNIS Georef. Calculator to find uncertainty (Bounded Area).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

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...S..pi.ro.gy.ra.....ir.r.egulari.s...J3aeg............................

Tile...Factpry...Pond...... .Charleston,.....Illinois

E.N. i’ranseau	Sept.....20.,..1912

b. With ripe spores

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PRESENTED TO

The New York botanical garden
by N. L. Britton, 1922

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