Explore / Range and rarity / Rare (≤ 5 counties)
Range and rarity
Rare (≤ 5 counties)
A broader rarity slice: taxa known from five counties or fewer nationwide. Includes single-county endemics plus the next-most-restricted species.
- Matching taxa
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Showing 6,501–6,550 of 9,281.
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Penstemon humilis Nutt. ex A. Gray ssp. obtusifolius (Pennell) D.D. Keck PEHUOlow beardtongue · Scrophulariaceae -
Penstemon idahoensis N.D. Atwood & S.L. Welsh PEIDIdaho beardtongue · Scrophulariaceae -
Penstemon leiophyllus Pennell var. francisci-pennellii (Crosswh.) N.H. Holmgren PELEFsmoothleaf beardtongue · Scrophulariaceae -
Penstemon leiophyllus Pennell var. keckii (Clokey) N.H. Holmgren PELEKKeck's beardtongue · Scrophulariaceae -
Penstemon leiophyllus Pennell var. leiophyllus PELELsmoothleaf beardtongue · Scrophulariaceae -
Penstemon lemhiensis (D.D. Keck) D.D. Keck & Cronquist PELE8Lemhi penstemon · Scrophulariaceae -
Penstemon lentus Pennell var. albiflorus (D.D. Keck) Reveal PELEA3handsome beardtongue · Scrophulariaceae -
Penstemon leonardii Rydb. var. higginsii Neese PELEHHiggins' beardtongue · Scrophulariaceae -
Penstemon leonardii Rydb. var. patricus (N.H. Holmgren) Neese PELEPLeonard's beardtongue · Scrophulariaceae -
Penstemon leptanthus Pennell PELE14Sevier Plateau beardtongue · Scrophulariaceae -
Penstemon linarioides A. Gray ssp. compactifolius D.D. Keck PELIC2toadflax beardtongue · Scrophulariaceae -
Penstemon linarioides A. Gray ssp. maguirei D.D. Keck PELIMMaguire's penstemon · Scrophulariaceae -
Penstemon marcusii (D.D. Keck) N.H. Holmgren PEMA13Marcus' beardtongue · Scrophulariaceae -
Penstemon mensarum Pennell PEME2tiger beardtongue · Scrophulariaceae -
Penstemon metcalfei Wooton & Standl. PEME15Metcalfe's beardtongue · Scrophulariaceae -
Penstemon monoensis A. Heller PEMOMono penstemon · Scrophulariaceae - Penstemon moriahensis N.H. Holmgren PEMO5Mt. Moriah beardtongue · Scrophulariaceae
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Penstemon nanus D.D. Keck PENA3dwarf beardtongue · Scrophulariaceae -
Penstemon navajoa N.H. Holmgren PENA4Navajo Mountain beardtongue · Scrophulariaceae -
Penstemon neomexicanus Wooton & Standl. PENE6New Mexico beardtongue · Scrophulariaceae -
Penstemon newberryi A. Gray ssp. sonomensis (Greene) D.D. Keck PENESSonoma penstemon · Scrophulariaceae -
Penstemon nitidus Douglas ex Benth. var. polyphyllus (Pennell) Cronquist PENIP2waxleaf penstemon · Scrophulariaceae -
Penstemon nudiflorus A. Gray PENUFlagstaff beardtongue · Scrophulariaceae -
Penstemon oklahomensis Pennell PEOKOklahoma beardtongue · Scrophulariaceae -
Penstemon pahutensis N.H. Holmgren PEPA23Paiute beardtongue · Scrophulariaceae -
Penstemon palmeri A. Gray var. macranthus (Eastw.) N.H. Holmgren PEPAM3scented beardtongue · Scrophulariaceae -
Penstemon papillatus J.T. Howell PEPA9Inyo beardtongue · Scrophulariaceae -
Penstemon parryi (A. Gray) A. Gray PEPA24Parry's beardtongue · Scrophulariaceae -
Penstemon parviflorus Pennell PEPA25Montezuma County beardtongue · Scrophulariaceae -
Penstemon parvus Pennell PEPA26Aquarius Plateau beardtongue · Scrophulariaceae -
Penstemon patens (M.E. Jones) N.H. Holmgren PEPA27Lone Pine beardtongue · Scrophulariaceae -
Penstemon peckii Pennell PEPE10Peck's beardtongue · Scrophulariaceae -
Penstemon penlandii W.A. Weber PEPE25Penland's beardtongue · Scrophulariaceae -
Penstemon personatus D.D. Keck PEPE3closethroat beardtongue · Scrophulariaceae -
Penstemon petiolatus Brandegee PEPE13petiolate beardtongue · Scrophulariaceae -
Penstemon pinorum L.M. Shultz & J.S. Shultz PEPI4Pine Valley penstemon · Scrophulariaceae -
Penstemon procerus Douglas ex Graham var. modestus (Greene) N.H. Holmgren PEPRM2pincushion beardtongue · Scrophulariaceae -
Penstemon pseudoparvus Crosswh. PEPS4Mt. Washington beardtongue · Scrophulariaceae -
Penstemon pseudoputus (Crosswh.) N.H. Holmgren PEPS3Kaibab Plateau beardtongue · Scrophulariaceae -
Penstemon pudicus Reveal & Beatley PEPU11Kawich Range beardtongue · Scrophulariaceae -
Penstemon pumilus Nutt. PEPU12Salmon River beardtongue · Scrophulariaceae -
Penstemon rattanii A. Gray ssp. kleei (Greene) D.D. Keck PERAKSanta Cruz Mountains beardtongue · Scrophulariaceae -
Penstemon retrorsus Payson ex Pennell PERE7Adobe Hills beardtongue · Scrophulariaceae -
Penstemon rhizomatosus N.H. Holmgren PERH6Scheel Creek beardtongue · Scrophulariaceae -
Penstemon richardsonii Douglas ex Lindl. var. curtiflorus (D.D. Keck) Cronquist PERIC3cutleaf beardtongue · Scrophulariaceae -
Penstemon rubicundus D.D. Keck PERU5Wassuk Range beardtongue · Scrophulariaceae -
Penstemon scapoides D.D. Keck PESC2pinyon beardtongue · Scrophulariaceae -
Penstemon scariosus Pennell var. albifluvis (England) N.H. Holmgren PESCAWhite River beardtongue · Scrophulariaceae -
Penstemon scariosus Pennell var. cyanomontanus Neese PESCCNeese's Blue Mountain beardtongue · Scrophulariaceae -
Penstemon sepalulus A. Nelson PESE13littlecup beardtongue · Scrophulariaceae