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Browse and contribute to the Trefle botanical data.
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
Penstemon clevelandii var. mohavensis
Penstemon cyananthus var. cyananthus
Penstemon clevelandii var. clevelandii
Penstemon cyananthus var. subglaber
Penstemon elegantulus
Penstemon clevelandii var. connatus
Penstemon fruticiformis var. amargosae
Penstemon fruticiformis var. fruticiformis
Penstemon floridus var. floridus
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