“Phormidium yellowstonense Prat” by North American Terrestrial (1887) is a public-domain (CC0) artwork, free to view, download and reuse for any purpose. It is catalogued from the open collection of Smithsonian Open Access.

Phormidium yellowstonense Prat

Phormidium yellowstonense Prat

TitlePhormidium yellowstonense Prat
ArtistNorth American Terrestrial
Date1887 19th century
ClassificationDrouet, F. E. 1968. Academy of Natural Sciences of Philadelphia Monogr. 15 : 148.
OriginYellowstone National Park, Mammoth Hot Springs., Park County, Wyoming, United States, North America Yellowstone National Park
Holding institutionSmithsonian Open Access
RightsPublic domain (CC0)

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Updated 2026-09-05