| Classification | Stereocaulaceae: Stereocaulon | 
| Barcode(s) | 00079542 | 
| Type Status | Holotype | 
| Collector | I. M. Lamb & U. V. Metzger | 
| Country | Costa Rica | 
| State | Cartago | 
| Geography | North America: Central America (Region): Costa Rica: Cartago | 
| Locality | between Palmital and La Sierra 6000 ft | 
| Date Collected | 1969 | 
| Elevation | 1828 m | 
| Habitat | on steep roadside soil bank | 
| Remarks | Lamb monogr. no. 8537 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/063fe927-9a6f-4dcf-9a06-100893cd04fd | 
| Harvard University Herbaria Barcode | 00079542 | 
| Herbarium | FH | 
| Family | Stereocaulaceae | 
| Type Status |  Holotype | 
| Holotype of |  Stereocaulon didymicum I. M. Lamb | 
| Determination Remarks | "Atranorin, didymic acid, unknown related to didymic acid, stictic acid, trace unknowns related to stictic acid." (Ch. Culberson by chromatography, I. 1973). [filed under] | 
| Taxon Reference | (for  Stereocaulon didymicum I. M. Lamb) J. Hattori Bot. Lab. 1977. 43: 291. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |