Phormidium incrustatum var. cataractum Gomont

• Region

  North America

• Country

  United States of America

• State/Province

  Illinois

• County/Municipio

  Saint Clair Co.

• Locality

  Falling Spring, forming a firm calcareous coating on wet rocks

• Coordinates

  38.5325, -90.1863

• Coordinate Uncertainty (m)

  2151.39

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Located coordinates of approx. geogr. center of Falling Spring. Measured from coord. to approx. geogr. center of nearest named place, Cahokia; 1/2ed dist. (2140 m). Input info in MaNIS Georef. Calc. to find uncert. rad. (Undef. Area).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

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Phycotheca Boreali-Americana.	Collins, Holden and Setchell.
2 256. Phormidium incrustatum var. cataractum oomont
Gomont, Monogr. des Oscill., p. 190, 1893.
Forti, Syll. Myx., p. 231, 1907.
Tilden, Minn. Algae, I, p. 100, 1910.
Forming a firm calcareous coating on wet rocks, Falling
Spring, St. Clair County, Illinois, March 29, 1918.
F. S. COLLINS.
NEW
02049688