| Name | Penstemon heterophyllus var. australis Munz & I. M. Johnston |
| Authorship | Munz & I. M. Johnston |
| Rank | Variety |
| Placed in | Penstemon heterophyllus Lindley |
| Citation | 1924 Bull. S. Calif. Acad. Sci. 23: 40 |
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Penstemon heterophyllus var. australis Munz & I. M. Johnston |
| Identification made in | [no date] (24) |
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