Cirsium discolor White flowers
- Negative number
- 00590
- Lantern slide number
- 00397
- Locality
- Spring Valley, NY
- Date
- 09/25/1911
- Historical Name
- Cirsium discolor
- Current Name
- Cirsium discolor
- Common Name
- Field thistle
- Photograph by
- E.M. Kittredge
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