Porphyridium cruentum (Gray) Nägeli

• Region

  North America

• Country

  United States of America

• State/Province

  California

• County/Municipio

  San Francisco Co.

• City/Township

  San Francisco

• Locality

  Plath's Greenhouse

• Coordinates

  37.7702, -122.436

• Coordinate Uncertainty (m)

  9051.57

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Couldn't find Plath's Greenhouse. Located coordinates of geogr. center of San Francisco. Measured from coord. to farthest extent of the city to find linear extent (9040 m). Input info. into MaNIS Georef. Calc. to find uncert. rad. (Bounded Area).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

Phycotheoa Boreali-Americana.
584. Porpbyrldiom eruentum (.\g.)
Naegeli, Gattungen Einzelliger Algen, pp. 71 and 138,1849.
Z g	Wood, F. W. Alga« of the tJ. S., p. 214, 1872.
h Wolle, F. W. Algae of the 17. S., p. 194, PI. CLXYI, flg. 1, (very poor I)
f 2 1887.
i /2 ‘ Dame & Collins, Plora of Middlesex County, p. 158,1888.
£ J ,
>* 2; Forming gelatinous films of a blood red color and wide extent* on
sandy earth among flower-pots in plant houses..
ui a. Bakersfield, California, Oct., 1896.
ji b. University of California, Berkeley, California, 1898.
J. B. DAVY.
e Gardnerianae Galifornicae
Specimens in the collection of Nathaniel Lyon Gardner, distributed
from the Herbarium of the University of California and the
Cryptogamic Herbarium of Field Museum of Natural History.
Determined by Francis Drouei^dUO
No.
6695. Popphyridlxan eruentum
Determined by N. L. Gardner ]MEW YOKFQ
BOTANICAL
G&jxL)£ N
On soil, Plath's Greenhouse, San Francisco
January Sj 100p
V- Duran	January 1931
02049718
02268581
02268580