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2,641 mints, plantains, olives, and allies species
Penstemon oklahomensis
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
Phyllostegia ambigua
Phyllostegia bracteata
Phyllostegia brevidens
Phyllostegia electra
Phyllostegia floribunda
Phyllostegia glabra
Phyllostegia helleri
Phyllostegia hillebrandii
Phyllostegia hirsuta
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