Taxonomic Filter: Unresolved Central Taxonomic ThesaurusASU Taxonomic ThesaurusITIS Thesaurus

Taxa Count: 16

PLANTAGINACEAE

Penstemon davidsonii subsp. crateris

Penstemon davidsonii subsp. praeteritus

Penstemon davidsonii subsp. ranierensis

Penstemon davidsonii subsp. steenensis

Penstemon davidsonii var. davidsonii x Penstemon davidsonii var. fruticosus

Penstemon davidsonii var. davidsonii x Penstemon rupicola

Penstemon davidsonii var. davidsonii × Penstemon rupicola

Penstemon davidsonii var. praeteritis

Penstemon davidsonii x Penstemon rupicola