Is “Viola sp.” in the public domain?

Yes. “Viola 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 “Viola sp.” from?

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

Can I use “Viola 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.

“Viola sp.” by 11 - Middle Europe (Jul 1878) 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.

Viola sp.

11 - Middle Europe

Title	Viola sp.
Artist	11 - Middle Europe
Date	Jul 1878 19th century
Origin	Subalpinis Tiroliæ orientalis supra Windisch Matrei., Tirol, Austria, Europe
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)