Cirsium discolor
- Negative number
- 01142
- Lantern slide number
- 01050
- Locality
- Spring Valley, NY
- Date
- 09/22/1913
- Historical Name
- Cirsium discolor
- Current Name
- Cirsium discolor
- Common Name
- Field thistle
- Photograph by
- E.M. Kittredge
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