| Classification | Asclepiadaceae: Rothrockia |
| Classification 1 | Asclepiadaceae: Gonolobus |
| Classification 2 | Asclepiadaceae: Matelea |
| Classification 3 | Asclepiadaceae: Lachnostoma |
| Classification 4 | Asclepiadaceae: Roulinia |
| Harvard University Herbaria Barcode(s) | 00040978 |
| Type Status | Syntype |
| Collector | J. G. Lemmon |
| Collector number | 238 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Locality | Santa Catalina Mountains |
| Date Collected | 1881-04-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9b2687ad-4341-41ab-8f12-598a6e217b95 |
| Harvard University Herbaria Barcode | 00040978 |
| Herbarium | GH |
| Family | Asclepiadaceae |
| Type Status | Syntype |
| Syntype of | Rothrockia cordifolia A. Gray |
| Verified by | E. Sundell |
| Date Determined | 1990-02-** |
| Determination Remarks | [filed under] |
| Annotation Text | however discordant with original description and other syntype (Pringle) |
| Taxon Reference | (for Rothrockia cordifolia A. Gray) Proc. Amer. Acad. Arts 1885. 20: 295. |
| Family | Asclepiadaceae |
| Determination | Gonolobus arizonicus (A. Gray) Woodson |
| Determined by | M. Fishbein (ARIZ) |
| Date Determined | 1994-12-** |
| Determination Remarks | [current name] |
| Family | Asclepiadaceae |
| Determination | Matelea arizonica (A. Gray) Shinners |
| Determined by | Eric Sundell |
| Date Determined | 1990-02-** |
| Annotation Text | however discordant with original description and other syntype (Pringle) |
| Family | Asclepiadaceae |
| Determination | Lachnostoma arizonicum A. Gray |
| Annotation Text | I doubt that this is Rothrockia . It is Lachnostoma arizonicum
Syn. Fl. N. Amer. Ed. 2. [A. Gray (scripsit) J. McI. Shapiro, 2020] |
| Family | Asclepiadaceae |
| Determination | Roulinia unifaria (Scheele) Engelmann ex Torrey |
| Determination Remarks | [label name] |
| Annotation Text | "Roulinia unifaria, Engelm." |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
