| Classification | Poaceae: Echinochloa |
| Barcode(s) | 00415595 |
| Collector | E. J. Palmer |
| Collector number | 42690 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston |
| Locality | The Arnold Arboretum, near State Laboratory barn [Jamaica Plain]
|
| Date Collected | 1934-08-03 |
| Habitat | Moist weedy ground |
| Container | Spontaneous Flora of the Arnold Arboretum |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3ce78915-ecd4-4d5c-8105-f0950a105001 |
| Harvard University Herbaria Barcode | 00415595 |
| Herbarium | A |
| Family | Poaceae |
| Determination | Echinochloa muricata var. microstachya Wiegand |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2013 |
| Determination Remarks | [current name] |
| Family | Poaceae |
| Determination | Echinochloa pungens var. microstachya (Wiegand) Fernald & Griscom |
| Determined by | Sørensen, Paul Davidsen |
| Date Determined | 1969-07-** |
| Family | Poaceae |
| Determination | Echinochloa muricata var. microstachya Wiegand |
| Determination Remarks | [label name] |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |