Is “Polysiphonia sp.” in the public domain?

Yes. “Polysiphonia sp.” is public domain and released under CC0, so it is free to download and reuse for any purpose, including commercially, with no permission needed.

Where is “Polysiphonia sp.” from?

It is catalogued from the open collection of Smithsonian Open Access and is free to reuse under CC0.

Can I use “Polysiphonia sp.” commercially for free?

Yes. As a CC0 public-domain work it can be used commercially, modified and redistributed with no fee and no attribution required.

“Polysiphonia sp.” by Eastern South American (Jan 1946) 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.

Polysiphonia sp.

Q: Who created “Polysiphonia sp.”?

Eastern South American (Jan 1946).

Eastern South American

Title	Polysiphonia sp.
Artist	Eastern South American
Date	Jan 1946 20th century
Origin	Estacion Atlantida, Canelones, Uruguay, South America
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)