Propagation Notebook
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Penstemon
Penstemon angustifolius
Species
Penstemon angustifolius var. angustifolius
Penstemon angustifolius var. caudatus
Penstemon angustifolius var. dulcis
Penstemon angustifolius var. venosus
Penstemon angustifolius var. vernalensis
