| Barcode(s) | 00302288 | 
| Type Status | Isotype | 
| Collector | I. M. Lamb | 
| Collector number | 6086 | 
| Country | Argentina | 
| State | Río Negro | 
| Geography | South America: South America (Region) (Region): Argentina: Río Negro | 
| Locality | between Lago Frias and the Frias Glacier | 
| Date Collected | 1950 | 
| Habitat | beside a rivulet in open forest | 
| Substrate | on rocks [saxicolous] | 
| Remarks | Lamb Monogr. no. 1231; assoc. with St.[Stereocaulon] implexum Th. Fr. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b6cc13ea-b72c-4bd6-8c66-a0362a98558d | 
| Harvard University Herbaria Barcode | 00302288 | 
| Herbarium | FH | 
| Type Status |  Isotype | 
| Isotype of |  Stereocaulon corticatulum var. procerum I. M. Lamb | 
| Determination Remarks | = Stereocaulon melanopotamicum Lamb, nomen novum pro S. corticatulum v. procerum. Hoc nomen in J. Hattori Bot. Lab. no. 43. p. 296 editum est | 
| Taxon Reference | (for  Stereocaulon corticatulum var. procerum I. M. Lamb) Farlowia 1955. 4: 462. | 
| Determination |  Stereocaulon melanopotamicum I. M. Lamb | 
| Determined by | I. M. Lamb | 
| Date Determined | 1950 | 
| Determination Remarks |  [label name] | 
| Annotation Text | (Syn. St. [Stereocaulon] corticatulum var. procerum Lamb) | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |