- US IlHpHS 1996.5-1051-001
- 1932-8-28
Hand-colored photo of, Prairie Dock (Silphium terebinthinaceum) flower, also known as prairie rosinweed.
Hand-colored photo of, Prairie Dock (Silphium terebinthinaceum) flower, also known as prairie rosinweed.
Hand-colored photo of Prairie Dock (Silphium terebinthinaceum) flower, also known as prairie rosinweed.
A photograph taken of a Rosin Weed (Silphium).
Hand colored photo of Prairie Dock (Silphium terebinthinaceum), also known as prairie rosinweed.
Photo of prairie dock (Silphium terebinthinaceum) flower, also known as prairie rosinweed.
Prairie Dock (Silphium terebinthinaceum) flower, also known as prairie rosinweed.
Photograph of what appears to be the leave of a compass plant.