Alnus rugosa
- Negative number
- 00078
- Lantern slide number
- 00181
- Locality
- Spring Valley, NY
- Date
- 04/15/1911
- Historical Name
- Alnus rugosa
- Current Name
- Alnus incana ssp. rugosa (Du Roi) Clausen
- Common Name
- Speckled Alder, Tag Alder, Swamp Alder, White Alder, Grey Alder
- Photograph by
- E.M. Kittredge
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