| Classification | Asclepiadaceae: Acerates |
| Classification 1 | Asclepiadaceae: Asclepias |
| Classification 2 | Asclepiadaceae: Gomphocarpus |
| Harvard University Herbaria Barcode(s) | 00267303 |
| Type Status | Isosyntype |
| Collector | G. Thurber |
| Collector number | 625 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Santa Clara County |
| Locality | San Isabel |
| Date Collected | 1852-05-29 |
| Habitat | Sandy gravelly hills |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ab9a47fe-79c7-44f9-abe9-456203050deb |
| Harvard University Herbaria Barcode | 00267303 |
| Herbarium | GH |
| Family | Asclepiadaceae |
| Type Status | Isosyntype |
| Isosyntype of | Acerates tomentosa Torrey |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Determination Remarks | [Lectotype: Parry (MO) in Ann. Missouri Bot. Gard. 41: 177. 1954 by R.E. Woodson] |
| Taxon Reference | (for Acerates tomentosa Torrey) Rep. U.S. Mex. Bound., Bot. 1859. 160. |
| Family | Asclepiadaceae |
| Determination | Asclepias californica Greene |
| Determined by | W. T. Kittredge |
| Date Determined | 2008 |
| Determination Remarks | [current name] |
| Family | Asclepiadaceae |
| Determination | Gomphocarpus tometosus (Torrey) A. Gray |
| Determined by | I. M. Johnston |
| Date Determined | 1921 |
| Annotation Text | IMJ |
| Family | Asclepiadaceae |
| Determination | Asclepias vestita Hooker & Arnott |
| Determination Remarks | [label name] |
| Family | Asclepiadaceae |
| Determination | Asclepias californica Greene |
| Determination Remarks | [pencil annotation on sheet] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |