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253 beardtongues species
Penstemon ammophilus
Penstemon australis
Penstemon marcusii
Penstemon metcalfei
Penstemon moffatii
Penstemon moriahensis
Penstemon murrayanus
Penstemon nanus
Penstemon neomexicanus
Penstemon schaffneri
Penstemon oliganthus
Penstemon ophianthus
Penstemon fendleri
Penstemon franklinii
Penstemon fremontii
Penstemon goodrichii
Penstemon guadalupensis
Penstemon sepalulus
Penstemon mensarum
Penstemon navajoa
Penstemon nudiflorus
Penstemon parvus
Penstemon pseudoparvus
Penstemon strictiformis
Penstemon tidestromii
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