Osmunda occidentalis
From the collection of Yale Peabody Museum. Free to download, adapt and use — no permission needed.
Geological context: Paleogene, Renova Fm. Collection locality: Horse Prairie. Armstead (now submerged under Clark Canyon Reservoir) over Grant and the Bannack Pass on the Continental Divide, to Leadore, Idaho. 1/2 mile west of site 69. A field road leads to geological site 133 1/2 mile south of the highway. Armstead (now submerged under Clark Canyon Reservoir) over Grant and the Bannack Pass on the Continental Divide, to Leadore, Idaho. 1/2 mile west of site 69. A field road leads to geological site 133 1/2 mile south of the highway, Beaverhead County, Montana, USA. Collected by Herman F. Becker, 1957/1968. PB number 28834; lot count 1; accn=YPM.07579.
Yale Peabody Museum’s own description
