“Callithamnion sp.” by Boreale (4 Aug 1954) 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.

Callithamnion sp.

Boreale

Title	Callithamnion sp.
Artist	Boreale
Date	4 Aug 1954 20th century
Origin	Between Port Mulgrave and Staithes, North Yorkshire, England, United Kingdom, Europe
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)

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Updated 2026-09-06