| Classification | Asclepiadaceae: Metastelma |
| Classification 1 | Asclepiadaceae: Cynanchum |
| Classification 2 | Asclepiadaceae: Basistelma |
| Classification 3 | Asclepiadaceae: Melinia |
| Classification 4 | Asclepiadaceae: Pattalias |
| Harvard University Herbaria Barcode(s) | 00046492 |
| Type Status | Type, 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/da8df1dc-3804-4bc0-81dc-f1d8c338d65e |
| Harvard University Herbaria Barcode | 00046492 |
| Herbarium | GH |
| Family | Asclepiadaceae |
| Type Status | Type |
| Type 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 |
| Type Status | Isotype |
| Isotype of | Metastelma angustifolia Torrey |
| Verified by | M. Fishbein & R. Levin (ARIZ) |
| Date Determined | 1996-07-** |
| 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 | Basistelma angustifolium (Torrey) Bartlett |
| Date Determined | 1907-04-** |
| Family | Asclepiadaceae |
| Determination | Melinia angustifolia (Torrey) A. Gray |
| Determined by | A. Gray |
| Determination Remarks | [A. Gray (scripsit)] |
| Annotation Text | Syn. Fl. N. Amer. |
| Family | Asclepiadaceae |
| Determination | Pattalias angustifolia (Torrey) S. Watson |
| Determined by | S. Watson |
| Determination Remarks | [S. Watson (scripsit)] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | A small bit sent by request to T. S. Brandegee, 15 Feb. 1902. B.L.R. [B. L. Robinson] |
