| Classification | Caesalpiniaceae: Cassia | 
| Classification 1 | Caesalpiniaceae: Chamaecrista | 
| Barcode(s) | 00053056 | 
| Type Status | Lectotype,  Holotype | 
| Collector | Edw. Palmer | 
| Collector number | 242 | 
| Country | Mexico | 
| State | Sonora | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora: Guaymas | 
| Locality | Vicinity of Guaymas | 
| Date Collected | 1887-10-** | 
| Habitat | Mesas, among grass | 
| Container | Flora of Guaymas, Mex. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8e43472d-522a-4606-816f-aa3b870acca7 | 
| Harvard University Herbaria Barcode | 00053056 | 
| Herbarium | GH | 
| Family | Caesalpiniaceae | 
| Type Status |  Lectotype | 
| Lectotype of |  Cassia leptadenia var. mensalis Greenman | 
| Verified by | W. T. Kittredge (A/GH) | 
| Date Determined | 2009 | 
| Taxon Reference | (for  Cassia leptadenia var. mensalis Greenman) Proc. Amer. Acad. Arts 1905. 41: 238. | 
| Family | Caesalpiniaceae | 
| Type Status |  Holotype | 
| Holotype of |  Cassia leptadenia var. mensalis Greenman | 
| Verified by | R. C. Barneby (NY) | 
| Date Determined | 1975 | 
| Taxon Reference | (for  Cassia leptadenia var. mensalis Greenman) Proc. Amer. Acad. Arts 1905. 41: 238. | 
| Family | Caesalpiniaceae | 
| Determination |  Chamaecrista nictitans var. mensalis (Greenman) H. S. Irwin & Barneby | 
| Determined by | H. S. Irwin & R. C. Barneby (NY) | 
| Date Determined | 1982 | 
| Determination Remarks |  [current name] | 
| Annotation Text | [as] Cassia nictitans Linnaeus var. mensalis (Greenman) H. S. Irwin & Barneby 1976 [ined.] | 
| Family | Caesalpiniaceae | 
| Determination |  Cassia leptadenia var. mensalis Greenman | 
| Date Determined | 1904-11-14 | 
| Annotation Text | n. var. [written on sheet] | 
| Family | Caesalpiniaceae | 
| Determination |  Cassia nictitans Linnaeus | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |