| Classification | Plantaginaceae: Penstemon | 
| Harvard University Herbaria Barcode(s) | 00091134 | 
| Type Status | Isotype | 
| Collector | F. W. Pennell | 
| Collector number | 11504 | 
| Country | United States of America | 
| State | Arkansas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arkansas: Craighead County: Jonesboro | 
| Locality | Moist sandy open land | 
| Date Collected | 1923-06-07 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c577b818-4ee4-47ec-b4f0-1a668a42d30a | 
| Harvard University Herbaria Barcode | 00091134 | 
| Herbarium | GH | 
| Family | Plantaginaceae | 
| Type Status | Isotype | 
| Isotype of | Penstemon alluviorum Pennell | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Penstemon alluviorum Pennell) Man. S.E. Fl. [Small] 1933. 1203. | 
| Sex | not determined | 
| Phenology | FlowerAndFruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |