| Classification | Apocynaceae: Amsonia | 
| Barcode(s) | 02180732 | 
| Collector | R. A. Darrow & F. W. Gould | 
| Collector number | 3785 | 
| Country | United States of America | 
| State | Arizona | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona: Mohave County | 
| Locality | 10 miles southeast of Planet Road junction on Yucca-Signal Road. | 
| Date Collected | 1947-04-12 | 
| Elevation | 838 m | 
| Verbatim Elevation | 2,750 feet | 
| Habitat | Joshua-Erigonum association | 
| Container | Plants of Arizona | 
| Frequency | Locally abundant | 
| Project | Plants on Edge/Endless Forms TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e727a14b-c52a-494e-8df1-ca1611875b86 | 
| Harvard University Herbaria Barcode | 02180732 | 
| Herbarium | GH | 
| Previous ownership | [ex] University of Arizona Herbarium | 
| Family | Apocynaceae | 
| Determination |  Amsonia tomentosa Torrey & Fremont | 
| Determined by | Seen for FNA by Linh Ngo & W.L. Applequist (MO), 2014 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |