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 |