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Penstemon cardinalis

Penstemon attenuatus var. palustris

Penstemon anguineus

Siskiyou beardtongue

Penstemon attenuatus var. pseudoprocerus

Penstemon eatonii var. eatonii

Penstemon cardinalis var. cardinalis

Penstemon eatonii var. undosus

Penstemon crandallii var. glabrescens

Penstemon cinicola

Penstemon crandallii var. procumbens

Penstemon davidsonii var. davidsonii

Penstemon crandallii var. crandallii

Penstemon davidsonii var. menziesii

Penstemon crandallii var. atratus

Penstemon davidsonii var. praeteritus

Penstemon baccharifolius

Baccharisleaf beardtongue

Penstemon barrettiae

Barrett's beardtongue

Penstemon caryi

Penstemon deustus var. deustus

Penstemon deustus var. pedicellatus