| Classification | Guaiacum: Zygophyllaceae | 
| Harvard University Herbaria Barcode(s) | 00043919 | 
| Collector | F. I. X. Rugel | 
| Collector number | 68 | 
| Country | United States of America | 
| State | Florida | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Florida: Monroe County: Key West | 
| Locality | [data not captured] | 
| Date Collected | 1846-04-** | 
| Habitat | In sylvis | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0385a260-7825-4d7a-bd51-0c4684146c59 | 
| Harvard University Herbaria Barcode | 00043919 | 
| Herbarium | GH | 
| Family | Zygophyllaceae | 
| Determination | Guaiacum sanctum Linnaeus | 
| Determined by | W. T. Kittredge | 
| Date Determined | 2010 | 
| Determination Remarks | [filed under] [current name] | 
| Annotation Text | Gen. Fl. Amer. Bor. Ill. 2: 121-124, pl. 148. 1849. Isaac Sprague sketches “from Key West.” The sketches for Guaiacum angustifolium Engelm. are also in the packet, “partly from Lindheimer’s Texan specimens, but principally from a Northern Mexican specimen of Dr. Gregg’s collection.” Guaiacum sloanei Shuttl. ined., not ex Gray, Smithsonian Contr. Knowl. 3(5): 29. 1852, Gray cited it as a synonm. | 
| Family | Zygophyllaceae | 
| Determination | Guaiacum sanctum Linnaeus | 
| Determined by | J. R. Dertien (DEK) | 
| Date Determined | 2007-06-** | 
| Family | Zygophyllaceae | 
| Determination | Guaiacum sanctum Linnaeus | 
| Determined by | A. Gray | 
| Determination Remarks | [A. Gray (scripsit)] [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed | 
| Item Remarks | [Sprague's sketeche mounted on sheet in packet] |