Is “Unio squalidus” in the public domain?

Yes. “Unio squalidus” 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 “Unio squalidus” from?

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

Can I use “Unio squalidus” 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.

“Unio squalidus” by E. Emmons 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.

Unio squalidus

E. Emmons

Title	Unio squalidus
Artist	E. Emmons
Medium	Dry
Origin	Roanoke River, Weldon, North Carolina, United States Roanoke River
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)

About this artwork

“Unio squalidus” is a work by E. Emmons. It is executed in dry. This work is in the public domain (CC0), so the image may be downloaded and reused for any purpose without permission (see the licence note below).