| Name | Penstemon confusus var. patens M. E. Jones | 
| Authorship | M. E. Jones | 
| Rank | Variety | 
| Placed in | Penstemon confusus M. E. Jones | 
| Citation | 1908 Contr. W. Bot. 12: 63 | 
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Penstemon confusus var. patens M. E. Jones | 
| Identification made in | [no date] (7) |