ash penstemon, small flowered penstemon
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Penstemon subg. Penstemon |
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[This taxon will be assessed for treatment in volume 3 of Flora of Oregon, which is not yet published.] |
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in prep. |
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P. acuminatus, P. anguineus, P. attenuatus, P. azureus, P. barrettiae, P. cardwellii, P. confertus, P. cusickii, P. davidsonii, P. davidsonii x Penstemon rupicola, P. deustus, P. eatonii, P. elegantulus, P. eriantherus, P. euglaucus, P. fruticosus, P. gairdneri, P. glandulosus, P. glaucinus, P. globosus, P. gracilentus, P. humilis, P. janishiae, P. kingii, P. laetus, P. miser, P. newberryi, P. ovatus, P. palmeri, P. parvulus, P. payettensis, P. peckii, P. pennellianus, P. perpulcher, P. pratensis, P. procerus, P. rattanii, P. richardsonii, P. roezlii, P. rupicola, P. rydbergii, P. seorsus, P. serrulatus, P. spatulatus, P. speciosus, P. subserratus, P. triphyllus, P. venustus, P. wilcoxii |
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