| Name | Cladonia grayi f. prolifera Sandstede |
| Authorship | Sandstede |
| Rank | Forma |
| Placed in | Cladonia grayi G. Merrill ex Sandstede |
| GUID | urn:lsid:indexfungorum.org:names:458071 |
| Citation | 1938 Rhodora 40: 19 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Cladonia grayi f. prolifera Sandstede |
| Identification made in | [no date] (10) |
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