| Stereocaulon vesuvianum f. verrucosum M. Lamb | ISOTYPE | O-L-000185 | Click on image for full size (36 MPx)
| Protolog: Lamb,IM, Journal of the Hattori Botanical Laboratory 43: 247 (1977)
| | Locality: U.S.A., ALASKA: Aleuten, Attu, 1949., Llano, G.A. 1463 p.p.
| Currently accepted name: Stereocaulon vesuvianum Pers.
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