Penstemon pseudoprocerus Rydb.
| Title | Penstemon pseudoprocerus Rydb. |
|---|---|
| Artist | Frank H. Knowlton |
| Date | 9 Aug 1887 19th century |
| Origin | Devils Mt. The Yellowstone Park., United States, North America |
| Holding institution | Smithsonian Open Access |
| Rights | Public domain (CC0). Free to use for any purpose. |
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The artist
This work is attributed to Frank H. Knowlton. Browse every catalogued public-domain plate by this maker.
The period
Dated to 9 Aug 1887. Explore the wider set of works from the 19th century held in the archive.
The collection
Made available through the Smithsonian Open Access open-access programme, which explicitly places this work in the public domain.
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