| Classification | Euphorbiaceae: Acalypha |
| Harvard University Herbaria Barcode(s) | 00045317 |
| Type Status | Holotype |
| Collector | G. Engelmann |
| Country | United States of America |
| State | Missouri |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri: Saint Louis County |
| Locality | Banks of the Mississippi near St. Louis |
| Date Collected | 1844-09-** - 1844-10-** |
| Habitat | On limestone precipices |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/00ff0a07-505c-40e6-a5fe-979895edb5ca |
| Harvard University Herbaria Barcode | 00045317 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Type Status | Holotype |
| Holotype of | Acalypha gracilens var. monococca Engelmann ex A. Gray |
| Verified by | G. A. Levin (ILLS) |
| Date Determined | 1996 |
| Taxon Reference | (for Acalypha gracilens var. monococca Engelmann ex A. Gray) Manual [A. Gray], ed. 2. 1856. 408. |
| Family | Euphorbiaceae |
| Determination | Acalypha monococca (Engelmann ex A. Gray) Lill. W. Miller & Gandhi |
| Determined by | G. A. Levin (ILLS) |
| Date Determined | 1996 |
| Determination Remarks | [current name] |
| Family | Euphorbiaceae |
| Determination | Acalypha monococca (Engelmann ex A. Gray) Lill. W. Miller & Gandhi |
| Determined by | L. W. Miller |
| Date Determined | 1964-06-** |
| Annotation Text | Type |
| Family | Euphorbiaceae |
| Determination | Acalypha gracilens var. monococca Engelmann ex A. Gray |
| Determined by | C. A. Weatherby |
| Date Determined | 1927 |
| Annotation Text | C.A.W. |
| Family | Euphorbiaceae |
| Determination | Acalypha monococca (Engelmann ex A. Gray) Lill. W. Miller & Gandhi |
| Determination Remarks | [label name] |
| Annotation Text | Acalypha monococca n. sp. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
