| Classification | Asclepiadaceae: Metastelma |
| Classification 1 | Asclepiadaceae: Cynanchum |
| Harvard University Herbaria Barcode(s) | 00046491 |
| Type Status | Isotype |
| Collector | C. Wright |
| Collector number | 1677 |
| Country | Mexico |
| State | Sonora |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora: Santa Cruz |
| Locality | N. Mex. [Santa Cruz] |
| Date Collected | 1851-09-27 |
| Habitat | [Sides of ravines] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/92937f8c-9194-4b80-86ef-e15283db4fe9 |
| Harvard University Herbaria Barcode | 00046491 |
| Herbarium | GH |
| Previous ownership | Transferred from the Boston Society of Natural History to GH, Oct. 2, 1941 |
| Family | Asclepiadaceae |
| Type Status | Isotype |
| Isotype of | Metastelma angustifolia Torrey |
| Verified by | R. A. Levin & M. Fishbein (ARIZ) |
| Date Determined | 1996-07-** |
| Taxon Reference | (for Metastelma angustifolia Torrey) Rep. U.S. Mex. Bound., Bot. 1859. 159. |
| Family | Asclepiadaceae |
| Type Status | Isotype |
| Isotype of | Metastelma angustifolia Torrey |
| Verified by | E. Sundell |
| Date Determined | 1990-02-** |
| Taxon Reference | (for Metastelma angustifolia Torrey) Rep. U.S. Mex. Bound., Bot. 1859. 159. |
| Family | Asclepiadaceae |
| Determination | Metastelma mexicanum (Brandegee) R. A. Levin & Fishbein |
| Determined by | R. A. Levin & M. Fishbein (ARIZ) |
| Date Determined | 1996-07-** |
| Determination Remarks | [current name] |
| Family | Asclepiadaceae |
| Determination | Cynanchum wigginsii Shinners |
| Determined by | E. Sundell |
| Date Determined | 1990-02-** |
| Family | Asclepiadaceae |
| Determination | Metastelma angustifolia Torrey |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
