| Classification | Asteraceae: Perymenium | 
| Barcode(s) | 00011181 | 
| Type Status | Holotype | 
| Collector | J. N. Rose | 
| Collector number | 2252 | 
| Country | Mexico | 
| State | Durango | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Durango | 
| Date Collected | 1897-08-13 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cb5c8d2a-ebbd-4d3e-8af8-42f3f5ecbf72 | 
| Harvard University Herbaria Barcode | 00011181 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status |  Holotype | 
| Holotype of |  Perymenium microphyllum B. L. Robinson & Greenman | 
| Verified by | V. M. Bates (A/GH) | 
| Date Determined | 1984 | 
| Taxon Reference | (for  Perymenium microphyllum B. L. Robinson & Greenman) Proc. Amer. Acad. Arts 1899. 34: 527. | 
| Family | Asteraceae | 
| Determination |  Perymenium pringlei B. L. Robinson & Greenman | 
| Determined by | J. J. Fay (NY) | 
| Date Determined | 1972 | 
| Determination Remarks |  [current name] | 
| Annotation Text | apparently an unusual form of var. croceum or var. lancifolium; Isotype of P. microphyllum R. & G. | 
| Family | Asteraceae | 
| Determination |  Perymenium microphyllum B. L. Robinson & Greenman | 
| Determination Remarks |  [label name] | 
| Annotation Text | n. sp. | 
| Family | Asteraceae | 
| Determination |  Perymenium microphyllum B. L. Robinson & Greenman | 
| Determined by | B. L. Robinson (GH) & J. M. Greenman (GH) | 
| Annotation Text | n. sp. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |