| Chelone albida (Nutt.) Spreng. | Penstemon albidus Nutt. sect. Cristati |
| Chelone angustifolia (Nutt. ex Pursh) Steud. | Penstemon angustifolius Nutt. ex Pursh sect. Coerulei |
| Chelone bradburyi (Pursh) Steud. | Penstemon bradburyi Pursh sect. Coerulei |
| Chelone caerulea Spreng. | Penstemon angustifolius Nutt. ex Pursh sect. Coerulei |
| Chelone erianthera (Nutt. ex Pursh) Steud. | Penstemon eriantherus Nutt. ex Pursh sect. Cristati |
| Chelone frutescens (Lamb.) Steud. | Pennellianthus frutescens (Lamb.) Crosswh. trib. Cheloneae |
| Chelone gracilis (Nutt.) Spreng. | Penstemon gracilis Nutt. sect. Penstemon |
| Chelone grandiflora (Nutt.) Spreng. | Penstemon bradburyi Pursh sect. Coerulei |
| Chelone hirsuta L. | Penstemon hirsutus (L.) Willd. sect. Penstemon |
| Chelone pubescens (Aiton) J.Parm. | Penstemon hirsutus (L.) Willd. sect. Penstemon |
| Chelone rosea Cerv. ex Sweet | Penstemon roseus (Cerv. ex Sweet) G.Don sect. Campanulati |
| Chelone ruellioides L.f. | Ourisia ruellioides (L.f.) Kuntze trib. Angelonieae |