The Potomac or younger Mesozoic flora
| Image |  |
|---|---|
| Description | Washington: Govt. Print. Off., 1889. |
| Author/s |
author: William Morris Fontaine |
| Publication date | 1889 |
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| Country of origin | |
| Wikipedia link | |
| Access work | |
| Copyright status |
public domain in United States. public domain in countries with 100 years pma or shorter. |
| Missing/wrong data? | Edit Wikidata item |