Polysiphonia nigrescens (Huds.) Grev. ex Harv.

• Region

  North America

• Country

  United States of America

• State/Province

  Rhode Island

• County/Municipio

  Newport Co.

• City/Township

  Newport

• Locality

  in tide-pools and floating

• Coordinates

  41.4856, -71.3285

• Coordinate Uncertainty (m)

  4671.57

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Located coordinates of geogr. center of Newport. Measured from coord. to farthest extent of the city to find linear extent (4660 m). Input info. into MaNIS Georef. Calc. to find uncert. rad. (Bounded Area).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

02187639
Phycotheca Boreali-Americana. Collins, Holden, and Sotchell.
596. Polysiphonia nigrescins var. affinis (Moore.) Harv.
Harvey, Nereis Bor.-Am. part 2, p. 49,1853.
Farlow. N. E. Marine Algae, p. 175, 1881.
In tide-pools and floating, Newport, Rhode Island, May, 1898.
Mrs. W. C. SIMMONS.
a.	With cystocarps.
b.	With tetraspores.
02187639
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