Small Flowered Penstemon
Penstemon procerus
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Small Flowered Penstemon
Penstemon procerus var. brachyanthus
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Western Small Flowered Penstemon
Penstemon procerus var. formosus
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Desert Penstemon
Penstemon pseudospectabilis
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Snow Mountain Beardtongue
Penstemon purpusii
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Rattan's Beardtongue
Penstemon rattanii
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Santa Cruz Mountains Beardtongue
Penstemon rattanii var. kleei
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Rattan's Beardtongue
Penstemon rattanii var. rattanii
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Roezl's Penstemon
Penstemon roezlii
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Beaked Penstemon
Penstemon rostriflorus
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Rock Beardtongue
Penstemon rupicola
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Rydberg's Penstemon
Penstemon rydbergii
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Mountain Meadow Beardtongue
Penstemon rydbergii var. oreocharis
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Pinyon Beardtongue
Penstemon scapoides
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Royal Penstemon
Penstemon speciosus
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Showy Penstemon
Penstemon spectabilis
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Paz Showy Penstemon
Penstemon spectabilis 'Paz'
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Showy Penstemon 'Pink Form'
Penstemon spectabilis 'Pink Form'
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Snow Dragon Penstemon
Penstemon spectabilis 'Snow Dragon'
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Showy Penstemon
Penstemon spectabilis var. spectabilis
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Showy Penstemon
Penstemon spectabilis var. subviscosus
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Stephens' Beardtongue
Penstemon stephensii
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Susanville Beardtongue
Penstemon sudans
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Thompson's Beardtongue
Penstemon thompsoniae
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Thurber's Penstemon
Penstemon thurberi
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Tracy's Beardtongue
Penstemon tracyi
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Utah Beardtongue
Penstemon utahensis
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Wild Crab Apple
Peraphyllum ramosissimum
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Bacigalupi's Yampah
Perideridia bacigalupii
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Bolander's Yampah
Perideridia bolanderi
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Bolander's Yampah
Perideridia bolanderi ssp. bolanderi
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Perideridia bolanderi ssp. involucrata
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California Yampah
Perideridia californica
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Gairdner's Yampah
Perideridia gairdneri
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Perideridia gairdneri ssp. borealis
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Gairdner's Yampah
Perideridia gairdneri ssp. gairdneri
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Howell's Yampah
Perideridia howellii
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Kellogg's Yampah
Perideridia kelloggii
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Lemmon's Yampah
Perideridia lemmonii
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Narrow-seeded Yampah
Perideridia leptocarpa
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Oregon Yampah
Perideridia oregana
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Parish's Yampah
Perideridia parishii
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Perideridia parishii ssp. latifolia
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Parish's Yampah
Perideridia parishii ssp. parishii
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Adobe Yampah
Perideridia pringlei
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Swamp Knotweed
Persicaria amphibia
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Water Pepper
Persicaria hydropiperoides
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Willow Weed
Persicaria lapathifolia
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Water Smartweed
Persicaria punctata
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Arctic Sweet Coltsfoot
Petasites frigidus
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Mat Rockspirea
Petrophytum caespitosum
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Glandular Yellow Phacelia
Phacelia adenophora
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Limestone Phacelia
Phacelia affinis
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Aven Nelson's Phacelia
Phacelia anelsonii
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Sand Dune Phacelia
Phacelia argentea
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Southern Sierra Phacelia
Phacelia austromontana
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Barneby's Phacelia
Phacelia barnebyana
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Twocolor Phacelia
Phacelia bicolor
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Bolander's Phacelia
Phacelia bolanderi
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Short Lobed Phacelia
Phacelia brachyloba