“Ulothrix collabens” by West Atlantic Boreale (Apr 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.

Ulothrix collabens

West Atlantic Boreale

Title	Ulothrix collabens
Artist	West Atlantic Boreale
Date	Apr 1887 19th century
Origin	Magnolia, Essex County, Massachusetts, United States, North America Magnolia
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)

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Updated 2026-09-06