Life Plants Magnoliophyta Magnoliophytina Magnoliopsida Scrophulariaceae

Foodplants for Euphydryas anicia, Poladryas arachne, P. minuta

900x1264 (~171Kb) USA: Cabin Mountain, (1408m), (47°14'15N 121°16'27W ~ ±0.5km), Kittitas Co., WA, 29.7.2006, Photo © Markku Savela	1000x1342 (~114Kb) USA: Cabin Mountain, (1408m), (47°14'15N 121°16'27W ~ ±0.5km), Kittitas Co., WA, 29.7.2006, Photo © Markku Savela	1000x652 (~180Kb) USA: McPhee Reservoir Camping, SW Colorado, 14.8.2005, Photo © Markku Savela
1200x862 (~169Kb) USA: McPhee Reservoir Camping, SW Colorado, 14.8.2005, Photo © Markku Savela	1000x1270 (~119Kb) USA: McPhee Reservoir Camping, SW Colorado, 14.8.2005, Photo © Markku Savela	500x754 (~49Kb) USA: Near Bandera Mtn, (47°24'28N 121°33'06W), King Co., WA, 15.7.1999, Photo © Markku Savela
900x630 (~110Kb) USA: 123 Roadside (river bank), near Mt. Rainier (46°46'46N 121°32'37W), Pierce Co., WA, 13.7.2000, Photo © Markku Savela	900x630 (~68Kb) USA: 123 Roadside (river bank), near Mt. Rainier (46°46'46N 121°32'37W), Pierce Co., WA, 13.7.2000, Photo © Markku Savela	900x619 (~109Kb) USA: Corral Pass region (47°00'15N 121°29'02W), Pierce Co., WA, 18.7.2000, Photo © Markku Savela
800x1200 (~172Kb) USA: Mesa Verde National Park, SW Colorado, 14.8.2005, Photo © Markku Savela	900x1267 (~117Kb) USA: Mesa Verde National Park, SW Colorado, 14.8.2005, Photo © Markku Savela	640x887 (~138Kb) USA: Corral Pass region (47°00'15N 121°29'02W ±1km), Pierce Co., WA, 18.7.2000, Photo © Markku Savela
700x988 (~84Kb) USA: Corral Pass region (47°00'15N 121°29'02W ±1km), Pierce Co., WA, 18.7.2000, Photo © Markku Savela	600x766 (~65Kb) USA: Glacier Basin Path (46°54'35N 121°41'30W), Mt. Rainier, Pierce Co., WA, 21.7.1999, Photo © Markku Savela	1802x1202 (~338Kb) USA: Washington, King Co., Captain Point, 7.8.2011 (47.761N 121.194W), Photo © Markku Savela
1802x1202 (~305Kb) USA: Washington, King Co., Captain Point, 7.8.2011 (47.761N 121.194W), Photo © Markku Savela	1802x1202 (~246Kb) USA: Washington, King Co., Captain Point, 7.8.2011 (47.761N 121.194W), Photo © Markku Savela

The exact identification of these species is still unknown, but tentatively assumed to belong into this group.

• Penstemon barrettiae Gray Columbia Gorge (east end) Barret's Beardtongue Barret's Penstemon

  • Penstemon barrettiae; [FPN], 433; [NWP], 24; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon barrettiae Gray;
• Penstemon rupicola (Piper) Howell Cascades (S.Washington - Oregon - N.California). See [maps] Rock Penstemon Cliff Penstemon

  • Penstemon rupicola (Piper) Howell

  • Penstemon rupicola; [FPN], 433; [NWP], 26; [CoL] ; [iNaturalist] ; [POWO]

  identification uncertain 900x600 (~120Kb) USA: Corral Pass region (47°00'15N 121°29'02W ±1km), Pierce Co., WA, 18.7.2000, Photo © Markku Savela	identification uncertain 640x816 (~88Kb) USA: Corral Pass region (47°00'15N 121°29'02W ±1km), Pierce Co., WA, 18.7.2000, Photo © Markku Savela	identification uncertain 1200x953 (~168Kb) USA: Cabin Mountain, (1408m), (47°14'15N 121°16'27W ~ ±0.5km), Kittitas Co., WA, 29.7.2006, Photo © Markku Savela
  identification uncertain 900x1321 (~101Kb) USA: Cabin Mountain, (1408m), (47°14'15N 121°16'27W ~ ±0.5km), Kittitas Co., WA, 29.7.2006, Photo © Markku Savela

• Penstemon newberryi -. See [maps]

  • Penstemon newberryi sonomensis; [iNaturalist]
  • Penstemon newberryi var. sonomensis; [CoL] ; [POWO]
  • Penstemon newberryi; [CoL] ; [iNaturalist] ; [POWO]
  • var. newberryi N.California, NW.Nevada

    • Penstemon newberryi newberryi; [iNaturalist]
    • Penstemon newberryi var. newberryi; [POWO]
  • var. berryi (Eastw.) Keck S.Oregon (Josephine Co.) - N.California Berry's Penstemon Mountain Pride

    • Penstemon newberryi berryi; [iNaturalist]
    • Penstemon newberryi var. berryi; [CoL] ; [POWO]
    • Penstemon newberryi var. berryi; [NWP], 28
• Penstemon lyallii Gray SE.British Columbia, SW.Alberta, N.Idaho, NW.Montana. See [maps] Lyall's Penstemon Lyall's Beardtongue

  • Penstemon lyalli; [CoL]
  • Penstemon lyallii; [FPN], 432; [NWP], 30; [iNaturalist] ; [POWO]
  • Penstemon lyallii Gray;
• Penstemon montanus Greene SE.Idaho, W.Wyoming, NW.Utah. See [maps] Mountain Penstemon Cordroot Penstemon Mountain Beardtongue

  • Penstemon montanus; [FPN], 433; [NWP], 34; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon montanus Greene;
  • var. montanus

    • Penstemon montanus montanus; [iNaturalist]
    • Penstemon montanus var. montanus; [POWO]
    • Penstemon montanus var. montanus; [FPN], 433
  • var. idahoensis (Keck) Cronq.

    • Penstemon idahoensis (Keck) Cronq.

    • Penstemon montanus idahoensis; [iNaturalist]
    • Penstemon montanus var. idahoensis; [CoL] ; [POWO]
    • Penstemon montanus var. idahoensis; [FPN], 433
• Penstemon ellipticus Coult. & Fisch. SE.British Columbia, SW.Alberta, N.Idaho, NW.Montana. See [maps] Rockvine Penstemon Elliptic-leaved Beardtongue

  • Penstemon ellipticus; [FPN], 433; [NWP], 36; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon ellipticus Coult. & Fisch.;
• Penstemon davidsonii Greene coastal (British Columbia) - Cascades (Washingon - Oregon - California). See [maps] Creeping Penstemon Davidson's Penstemon

  • Penstemon davidsonii praeteritus; [iNaturalist]
  • Penstemon davidsonii var. praeteritus; [CoL] ; [POWO]
  • Penstemon davidsonii; [FPN], 433; [NWP], 38; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon davidsonii Greene;
  • var. davidsonii

    • Penstemon davidsonii davidsonii; [iNaturalist]
    • Penstemon davidsonii var. davidsonii; [POWO]
    • Penstemon davidsonii var. davidsonii; [FPN], 433
  • var. menziesii (Keck) Cronq.

    • Penstemon menziesii (Keck) Cronq.
    • Penstemon menziesii ?Hook.

    • Penstemon davidsonii menziesii; [iNaturalist]
    • Penstemon davidsonii var. menziesii; [CoL] ; [POWO]
    • Penstemon davidsonii var. menziesii; [FPN], 433
  • var. praeterius Oregon (Steens Mt.)
• Penstemon fruticosus (Pursh) Greene S.British Columbia - SW.Alberta - W.Montana, Wyoming - Oregon. See [maps] Bush Penstemon Shrubby Penstemon

  • Penstemon fruticosus (Pursh) Greene

  • Penstemon fruticosus; [FPN], 433; [NWP], 40; [CoL] ; [iNaturalist] ; [POWO]

  identification uncertain 520x785 (~59Kb) USA: Glacier Basin Path (46°54'08N 121°39'52), Mt. Rainier, Pierce Co., WA, 21.7.1999, Photo © Markku Savela	identification uncertain 900x603 (~98Kb) USA: FR 9711, Hurley Creek (47°18'54N 120°37'31W), Kittitas Co., WA, 5.7.2000, Photo © Markku Savela	identification uncertain 600x887 (~60Kb) USA: FR 9711, Hurley Creek (47°18'54N 120°37'31W), Kittitas Co., WA, 5.7.2000, Photo © Markku Savela
  identification uncertain 1202x1802 (~233Kb) USA: Washington, Kittitas Co., LepSoc 2010 Field Trip to Red Top Mtn (meeting point, on FR 9738?), 8.7.2010, Photo © Markku Savela	identification uncertain 1802x1202 (~307Kb) USA: Washington, Kittitas Co., LepSoc 2010 Field Trip to Red Top Mtn (meeting point, on FR 9738?), 8.7.2010, Photo © Markku Savela

  Foodplant for Phymatopus californicus

  • var. serratus (Keck) Cronq.

    • Penstemon serratus (Keck) Cronq.

    • Penstemon fruticosus serratus; [iNaturalist]
    • Penstemon fruticosus var. serratus; [CoL] ; [POWO]
    • Penstemon fruticosus var. serratus; [FPN], 433
  • var. fruticosus

    • Penstemon fruticosus fruticosus; [iNaturalist]
    • Penstemon fruticosus var. fruticosus; [POWO]
    • Penstemon fruticosus var. fruticosus; [FPN], 433
  • var. scouleri (Lindl.) Cronq.

    • Penstemon scouleri (Lindl.) Cronq.

    • Penstemon fruticosus scouleri; [iNaturalist]
    • Penstemon fruticosus var. scouleri; [CoL] ; [POWO]
    • Penstemon fruticosus var. scouleri; [FPN], 433
• Penstemon cardwellii Howell Cascades (SW.Washington, Oregon). See [maps] Cardwell's Penstemon

  • Penstemon cardwellii; [FPN], 433; [NWP], 42; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon cardwellii Howell;

• Penstemon glandulosus Dougl. -. See [maps] Glandular Penstemon Sticky-stem Penstemon

  • Penstemon glandulosus; [FPN], 434; [NWP], 44; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon glandulosus Dougl.;
  • var. glandulosus SE.Washington, NE.Oregon - SW.Idaho

    • Penstemon glandulosus glandulosus; [iNaturalist]
    • Penstemon glandulosus var. glandulosus; [POWO]
    • Penstemon glandulosus var. glandulosus; [FPN], 434
  • var. chelanensis (Keck) Cronq. east slope of Cascades (Chelan Co. - Hood River Co.)

    • Penstemon chelanensis (Keck) Cronq.

    • Penstemon glandulosus chelanensis; [iNaturalist]
    • Penstemon glandulosus var. chelanensis; [CoL] ; [POWO]
    • Penstemon glandulosus var. chelanensis; [FPN], 434
• Penstemon triphyllus Dougl. SE.Washington (Hell's Canyon, Snake River Canyon, Columbia River). See [maps] Whorled Penstemon

  • Penstemon triphyllus var. infernalis; [CoL] ; [POWO]
  • Penstemon triphyllus var. triphyllus; [POWO]
  • Penstemon triphyllus; [FPN], 434; [NWP], 46; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon triphyllus Dougl.;
• Penstemon richardsonii Dougl. east of Cascades (S.British Columbia - E.Washington - E.Oregon). See [maps] Richardson's Penstemon Cut-leaved Penstemon

  • Penstemon richardsonii; [FPN], 434; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon richardsonii Dougl.;

  900x606 (~94Kb) USA: Dry Falls / Sun Lakes State Park, Grant Co., WA, 9.7.2000, Photo © Markku Savela Penstemon richardsonii var. richardsonii det. John Pelham

  700x1014 (~87Kb) USA: Dry Falls / Sun Lakes State Park, Grant Co., WA, 9.7.2000, Photo © Markku Savela Penstemon richardsonii var. richardsonii det. John Pelham

  • var. richardsonii

    • Penstemon richardsonii richardsonii; [iNaturalist]
    • Penstemon richardsonii var. richardsonii; [POWO]
    • Penstemon richardsonii var. richardsonii; [FPN], 434
  • var. curtiflorus (Keck) Cronq.

    • Penstemon curtiflorus (Keck) Cronq.

    • Penstemon curtiflorus; [CoL] ; [POWO]
    • Penstemon richardsonii var. curtiflorus; [FPN], 434
  • var. dentatus (Keck) Cronq.

    • Penstemon dentatus (Keck) Cronq.

    • Penstemon richardsonii dentatus; [iNaturalist]
    • Penstemon richardsonii var. dentatus; [CoL] ; [POWO]
    • Penstemon richardsonii var. dentatus; [FPN], 434
• Penstemon diphyllus Rydb. W.Montana, N.Idaho, SW.Washington (Palouse Falls). See [maps] Diphyllus Penstemon Two-leaved Penstemon

  • Penstemon diphyllus; [FPN], 434; [NWP], 50; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon diphyllus Rydb.;
• Penstemon serrulatus Menzies S.Alaska - British Columbia - west of Cascades (Washington, NW.Oregon). See [maps] Coast Penstemon Cascade Penstemon

  • Penstemon diffusus Lindl.

  • Penstemon serrulatus; [FPN], 434; [NWP], 52; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon serrulatus Menzies;

  identification uncertain 600x861 (~67Kb) USA: 123 Roadside, near Mt. Rainier (46°51'13N 121°31'48W), Pierce Co., WA, 13.7.2000, Photo © Markku Savela

  identification uncertain 950x769 (~71Kb) USA: 123 Roadside, near Mt. Rainier (46°51'13N 121°31'48W), Pierce Co., WA, 13.7.2000, Photo © Markku Savela

• Penstemon venustus Dougl. Blue Mts. (SE.Washington, NE.Oregon), W.Idaho. See [maps] Lovely Penstemon Beautiful Penstemon Blue Mountain Penstemon

  • Penstemon venustus; [FPN], 434; [NWP], 54; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon venustus Dougl.;
• Penstemon gracilentus Gray S.Oregon (Lake Co.), NE.California, NW.Nevada. See [maps] Very Slender Penstemon

  • Penstemon gracilentus; [NWP], 56; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon kingii Watson S.Oregon (Matheur Co.), N.Nevada. See [maps] King's Penstemon

  • Penstemon kingii; [NWP], 58; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon roezlii Regel C.Oregon - SW.Oregon, N.California, NW.Nevada. See [maps] Roezl's Penstemon

  • Penstemon laetus var. roezlii (Regel) Jeps.

  • Penstemon laetus var. roezlii; [FPN], 434
  • Penstemon roezlii; [NWP], 60; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon laetus Gray -. See [maps] Gay Penstemon Cheerful Penstemon

  • Penstemon laetus laetus; [iNaturalist]
  • Penstemon laetus leptosepalus; [iNaturalist]
  • Penstemon laetus var. laetus; [POWO]
  • Penstemon laetus var. leptosepalus; [CoL] ; [POWO]
  • Penstemon laetus; [CoL] ; [iNaturalist] ; [POWO]
  • var. sagittatus Keck SW.Oregon (Josephine Co. - Klamath Co.), N.California Sagittate Penstemon

    • Penstemon laetus sagittatus; [iNaturalist]
    • Penstemon laetus var. sagittatus; [CoL] ; [POWO]
    • Penstemon laetus var. sagittatus; [NWP], 62
• Penstemon cusickii Gray SW.Oregon (Baker Co. - Harney Co.) - Idaho (Blaine Co.). See [maps] Cusick's Penstemon

  • Penstemon cusickii; [FPN], 434; [NWP], 64; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon cusickii Gray;
• Penstemon leonardii Rydb. SE.Idaho (Wasatch Mts.), Utah. See [maps]

  • Penstemon leonardii higginsii; [iNaturalist]
  • Penstemon leonardii leonardii; [iNaturalist]
  • Penstemon leonardii patricus; [iNaturalist]
  • Penstemon leonardii var. higginsii; [CoL] ; [POWO]
  • Penstemon leonardii var. leonardii; [POWO]
  • Penstemon leonardii var. patricus; [CoL] ; [POWO]
  • Penstemon leonardii; [NWP], 66; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon azureus Benth. SW.Oregon, N.California. See [maps] Deep Blue Penstemon Azure Penstemon

  • Penstemon azureus angustissimus; [iNaturalist]
  • Penstemon azureus azureus; [iNaturalist]
  • Penstemon azureus var. angustissimus; [CoL] ; [POWO]
  • Penstemon azureus var. azureus; [POWO]
  • Penstemon azureus; [NWP], 68; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon parvulus (Gray) Krautter SW.Oregon (Siskiyou Mts.) - N.California. See [maps] Small Azure Penstemon

  • Penstemon azureus ssp. parvulus (Gray) Keck

  • Penstemon parvulus; [NWP], 70; [CoL] ; [iNaturalist] ; [POWO]

• Penstemon eatonii Gray S.Idaho, SW.Colorado - New Mexico, S.California. See [maps] Firecracker Penstemon Eaton's Penstemon

  • Penstemon eatonii eatonii; [iNaturalist]
  • Penstemon eatonii exsertus; [iNaturalist]
  • Penstemon eatonii undosus; [iNaturalist]
  • Penstemon eatonii var. eatonii; [POWO]
  • Penstemon eatonii var. exsertus; [CoL] ; [POWO]
  • Penstemon eatonii var. undosus; [CoL] ; [POWO]
  • Penstemon eatonii; [NWP], 72; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon idahoensis Atwood & Welsh S.Idaho (Cassia Co.). See [maps] Idaho Penstemon

  • Penstemon idahoensis; [NWP], 74; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon caryi Pennel S.Montana (Pryor Mts., Bighorn Mts.), N.Wyoming (Bighorn Mts.). See [maps] Cary's Penstemon

  • Penstemon caryi; [NWP], 76; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon payettensis Nels. & Macbr. NE.Oregon (Wallowa Mts.) - C.Idaho. See [maps] Payette Penstemon

  • Penstemon payettensis; [FPN], 435; [NWP], 78; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon payettensis Nels. & Macbr.;
• Penstemon perpulcher A. Nels. S.Idaho (Snake River Plain). See [maps] Very Beautiful Penstemon

  • Penstemon perpulcher; [FPN], 435; [NWP], 80; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon perpulcher A. Nels.;
• Penstemon speciosus Dougl. E.Washington - Oregon, SW.Idaho, NE.Utah, California. See [maps] Royal Penstemon Showy Penstemon

  • Penstemon speciosus; [FPN], 436; [NWP], 82; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon speciosus Dougl.;
• Penstemon lemhiensis (Keck) Keck & Cronq. SW.Montana, EC.Idaho. See [maps] Lemhi Penstemon

  • Penstemon lemhiensis (Keck) Keck & Cronq.

  • Penstemon lemhiensis; [FPN], 436; [NWP], 84; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon subglaber Rydb. SE.Idaho, SW.Wyoming, NE.Utah. See [maps]

  • Penstemon subglaber; [NWP], 86; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon glaber Pursh. Wyoming - New Mexico. See [maps]

  • Penstemon glaber alpinus; [iNaturalist]
  • Penstemon glaber brandegeei; [iNaturalist]
  • Penstemon glaber var. alpinus; [CoL] ; [POWO]
  • Penstemon glaber var. brandegeei; [CoL] ; [POWO]
  • Penstemon glaber; [CoL] ; [iNaturalist] ; [POWO]
  • Pentstemon glaber; [GMBOT], 722
  • var. glaber SE.Montana - W.Wyoming, SW.North Dakoa, W.Nebraska Smooth Penstemon Sawsepal Penstemon

    • Penstemon glaber glaber; [iNaturalist]
    • Penstemon glaber var. glaber; [POWO]
    • Penstemon glaber var. glaber; [NWP], 88
• Penstemon compactus (Keck) Crosswh. SE.Idaho (Bear River Range) - NE.Utah (Wasatch Range). See [maps] Bear River Penstemon Compact Penstemon

  • Penstemon cyananthus var. compactus Keck

  • Penstemon compactus; [NWP], 90; [CoL] ; [iNaturalist]
• Penstemon cyananthus Hook. SE.Idaho, N.Utah, W.Wyoming. See [maps] Blue-anthered Penstemon Wasatch Penstemon

  • Penstemon cyananthus cyananthus; [iNaturalist]
  • Penstemon cyananthus judyae; [iNaturalist]
  • Penstemon cyananthus var. cyananthus; [POWO]
  • Penstemon cyananthus var. judyae; [CoL] ; [POWO]
  • Penstemon cyananthus; [NWP], 92; [CoL] ; [iNaturalist] ; [POWO]
  • var. subglaber

    • Penstemon cyananthus subglaber; [iNaturalist]
    • Penstemon cyananthus var. subglaber; [CoL] ; [POWO]
• Penstemon cyaneus Pennell S.Idaho (Upper Snake River Plain) - SW.Montana, NW.Wyoming. See [maps] Dark-blue Penstemon Cyan Penstemon

  • Penstemon cyaneus; [FPN], 435; [NWP], 94; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon cyaneus Pennell;
• Penstemon pennellianus Keck SE.Washington (Blue Mts.), NE.Oregon (N.Wallowa Co.). See [maps] Blue Mountain Penstemon

  • Penstemon pennellianus; [FPN], 435; [NWP], 96; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon pennellianus Keck;

• Penstemon deustus Dougl. ex Lindl. from (W.Washington - SW.Montana) - California, NW.Wyoming, NW.Utah. See [maps] Scorched Penstemon Scabland Penstemon Hotrock Penstemon

  • Penstemon deustus; [FPN], 434; [NWP], 98; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon deustus Dougl. ex Lindl.;

  Foodplant for Pyramidobela quinquecristata

  • var. deustus

    • Penstemon deustus deustus; [iNaturalist]
    • Penstemon deustus var. deustus; [POWO]
    • Penstemon deustus var. deustus; [FPN], 434
  • var. heterander (T. & G.) Cronq.

    • Penstemon heterander (T. & G.) Cronq.

    • Penstemon deustus var. heterander; [FPN], 434
  • var. variabilis (Suks.) Cronq.

    • Penstemon variabilis (Suks.) Cronq.

    • Penstemon deustus var. variabilis; [CoL] ; [POWO]
    • Penstemon deustus variabilis; [iNaturalist]
    • Penstemon deustus var. variabilis; [FPN], 435
  • var. suffrutescens

    • Penstemon deustus suffrutescens; [iNaturalist]
    • Penstemon deustus var. suffrutescens; [CoL] ; [POWO]
  • var. pedicellatus

    • Penstemon deustus pedicellatus; [iNaturalist]
    • Penstemon deustus var. pedicellatus; [CoL] ; [POWO]
• Penstemon laricifolius Hook & Arn. -. See [maps] Larchleaf Penstemon

  • Penstemon laricifolius; [CoL] ; [iNaturalist] ; [POWO]
  • var. laricifolius S.Montana (Pryor Mts.), Wyoming

    • Penstemon laricifolius laricifolius; [iNaturalist]
    • Penstemon laricifolius var. laricifolius; [POWO]
    • Penstemon laricifolius var. laricifolius; [NWP], 100
  • var. exilifolius

    • Penstemon laricifolius exilifolius; [iNaturalist]
    • Penstemon laricifolius var. exilifolius; [CoL] ; [POWO]
• Penstemon aridus Rydb. SW.Montana, SE.Idaho - N.Wyoming. See [maps] Stiffleaf Penstemon

  • Penstemon aridus; [FPN], 438; [NWP], 102; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon aridus Rydb.;
• Penstemon seorsus (A. Nels.) Keck E.Oregon - SW.Idaho. See [maps] Narrow-leaved Penstemon Short-lobed Penstemon

  • Penstemon seorsus (A. Nels.) Keck

  • Penstemon seorsus; [FPN], 439; [NWP], 104; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon gairdneri Hook. E.Washington - E.Oregon, W.Idaho (Valley Co.). See [maps] Gairdner's Penstemon

  • Penstemon gairdneri; [FPN], 439; [NWP], 106; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon gairdneri Hook.;
  • var. gairdneri

    • Penstemon gairdneri gairdneri; [iNaturalist]
    • Penstemon gairdneri var. gairdneri; [POWO]
    • Penstemon gairdneri var. gairdneri; [FPN], 439
  • var. oreganus Gray

    • Penstemon gairdneri oreganus; [iNaturalist]
    • Penstemon gairdneri var. oreganus; [CoL] ; [POWO]
    • Penstemon gairdneri var. oreganus; [FPN], 439
    • Penstemon oreganus Gray;
• Penstemon gracilis Nutt. Great Plains, from (Montana, Alberta - Ontario) - N.New Mexico, Wisconsin, Iowa. See [maps] Slender Penstemon Slender Beardtongue

  • Penstemon gracilis gracilis; [iNaturalist]
  • Penstemon gracilis wisconsinensis; [iNaturalist]
  • Penstemon gracilis; [FPN], 438; [NWP], 108; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon gracilis Nutt.;
  • Pentstemon gracilis; [GMBOT], 722
• Penstemon albidus Nutt. from (E.Montana, SE.Alberta - Manitoba) - to (Texas, New Mexico). See [maps] White-flowered Penstemon

  • Penstemon albidus; [FPN], 437; [NWP], 110; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon albidus Nutt.;
  • Pentstemon albidus; [GMBOT], 722
• Penstemon palmeria Gray Idaho (introduced). See [maps] Scented Beardtongue Palmer's Penstemon

  • Penstemon palmeria; [NWP], 112
• Penstemon grandiflorus Nutt. E.Montana - Minnesota, Missouri, Oklahoma. See [maps] Shell-leaf Penstemon Large-flowered Penstemon Large-flowered Beardtongue

  • Penstemon grandiflorus; [NWP], 114; [iNaturalist]
  • Pentstemon grandiflorus; [GMBOT], 722
• Penstemon arenicola Nelson W.Wyoming, NW.Colorado, NE.Utah. See [maps] Red Desert Penstemon Sand Penstemon

  • Penstemon arenicola; [NWP], 116; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon acuminatus Dougl. SC.Washington, SE.Oregon, S.Idaho (Snake River Plain). See [maps] Sand-dune Penstemon Sharp-leaved Penstemon

  • Penstemon acuminatus acuminatus; [iNaturalist]
  • Penstemon acuminatus var. acuminatus; [POWO]
  • Penstemon acuminatus var. latibracteatus; [CoL] ; [POWO]
  • Penstemon acuminatus; [FPN], 435; [NWP], 118; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon acuminatus Dougl.;
  • Pentstemon acuminatus; [GMBOT], 722
  • var. latebracteatus

    • Penstemon acuminatus latebracteatus; [iNaturalist]
• Penstemon angustifolius Nutt. ex Pursh -. See [maps]

  • Penstemon angustifolius dulcis; [iNaturalist]
  • Penstemon angustifolius var. dulcis; [CoL] ; [POWO]
  • Penstemon angustifolius; [CoL] ; [iNaturalist] ; [POWO]
  • var. angustifolius Great Plains, east of Rocky Mts. (E.Montana, South Dakota, North Dakota) - Colorado Narrowleaf Penstemon Narrow Beardtongue

    • Penstemon angustifolius angustifolius; [iNaturalist]
    • Penstemon angustifolius var. angustifolius; [POWO]
    • Penstemon angustifolius var. angustifolius; [NWP], 120
  • var. caudatus

    • Penstemon angustifolius caudatus; [iNaturalist]
    • Penstemon angustifolius var. caudatus; [CoL] ; [POWO]
  • var. vernalensis Utah (Uinta Basin)

    • Penstemon angustifolius var. vernalensis; [CoL] ; [POWO]
    • Penstemon angustifolius vernalensis; [iNaturalist]
  • var. venosus S.Utah, Arizona, New Mexico

    • Penstemon angustifolius var. venosus; [CoL] ; [POWO]
    • Penstemon angustifolius venosus; [iNaturalist]
• Penstemon nitidus Dougl. S.Alberta - S.Manitoba, Montana, N.Wyoming, North Dakota. See [maps] Shining Penstemon

  • Penstemon nitidus; [FPN], 435; [NWP], 122; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon nitidus Dougl.;
  • var. nitidus

    • Penstemon nitidus var. nitidus; [POWO]
    • Penstemon nitidus var. nitidus; [FPN], 435
  • var. polyphyllus (Pennel) Cronq.

    • Penstemon polyphyllus (Pennel) Cronq.

    • Penstemon nitidus polyphyllus; [iNaturalist]
    • Penstemon nitidus var. polyphyllus; [CoL] ; [POWO]
    • Penstemon nitidus var. polyphyllus; [FPN], 435

• Penstemon janishiae Holmgren SE.Idaho, SE.Oregon, N.Nevada, N.California. See [maps] Janish's Penstemon Janish's Beardtongue

  • Penstemon janishiae; [NWP], 124; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon eriantherus Pursh -. See [maps] Fuzzytongue Penstemon Crested Beardtongue

  • Penstemon eriantherus; [FPN], 437; [NWP], 126; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon eriantherus Pursh;
  • var. eriantherus NE.Washington, S.British Columbia, Alberta - North Dakota, Wyoming - N.Colorado

    • Penstemon eriantherus eriantherus; [iNaturalist]
    • Penstemon eriantherus var. eriantherus; [POWO]
    • Penstemon eriantherus var. eriantherus; [FPN], 437
  • var. redactus Pennell & Keck C.Idaho, SW.Montana

    • Penstemon eriantherus redactus; [iNaturalist]
    • Penstemon eriantherus var. redactus; [CoL] ; [POWO]
    • Penstemon eriantherus var. redactus; [FPN], 437
    • Penstemon redactus Pennell & Keck;
  • var. whitedii (Piper) A. Nels C.Washington

    • Penstemon whitedii (Piper) A. Nels

    • Penstemon eriantherus var. whitedii; [CoL] ; [POWO]
    • Penstemon eriantherus whitedii; [iNaturalist]
    • Penstemon eriantherus var. whitedii; [FPN], 437
  • var. argillosus M. E. Jones C.Oregon

    • Penstemon argillosus M. E. Jones;
    • Penstemon eriantherus argillosus; [iNaturalist]
    • Penstemon eriantherus var. argillosus; [CoL] ; [POWO]
    • Penstemon eriantherus var. argillosus; [FPN], 438
  • var. cleburnei Wyoming

    • Penstemon eriantherus cleburnei; [iNaturalist]
    • Penstemon eriantherus var. cleburnei; [CoL] ; [POWO]
• Penstemon pruinosus Dougl. east Cascades (S.British Columbia, E.Washington). See [maps] Chelan Penstemon

  • Penstemon pruinosus; [FPN], 440; [NWP], 128; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon pruinosus Dougl.;
• Penstemon elegantulus Pennell Hell's Canyon (NE.Oregon, E.Idaho). See [maps] Elegant Penstemon Lovely Penstemon Lonely Penstemon

  • Penstemon elegantulus; [FPN], 440; [NWP], 130; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon elegantulus Pennell;
• Penstemon albertinus Greece SE.British Columbia, SW.Alberta - Idaho. See [maps] Alberta Penstemon

  • Penstemon albertinus; [FPN], 440; [NWP], 132; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon albertinus Greece;
• Penstemon anguineus Eastw. SE.Oregon - N.California. See [maps] Siskiyou Penstemon Tongue-leaved Penstemon

  • Penstemon anguineus; [NWP], 134; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon whippleanus Gray SW.Montana, SE.Idaho, Wyoming - Arizona, Utah. See [maps] Whipple's Penstemon

  • Penstemon whippleanus; [FPN], 437; [NWP], 136; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon whippleanus Gray;
• Penstemon rattanii Gray SE.Oregon (Benton Co.) - NW.California. See [maps] Rattan's Penstemon

  • Penstemon rattanii rattanii; [iNaturalist]
  • Penstemon rattanii var. rattanii; [POWO]
  • Penstemon rattanii; [NWP], 138; [CoL] ; [iNaturalist] ; [POWO]
  • var. kleei NW.California (redwood forests)

    • Penstemon rattanii kleei; [iNaturalist]
    • Penstemon rattanii var. kleei; [CoL] ; [POWO]
• Penstemon ovatus Dougl. W.Washington (west of Washington), S.British Columbia. See [maps] Broad-leaved Penstemon

  • Penstemon ovatus; [FPN], 440; [NWP], 140; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon ovatus Dougl.;
• Penstemon wilcoxii Rydb. N.Idaho, NW.Montana, SE.Washington, NE.Oregon. See [maps] Wilcox's Penstemon

  • Penstemon wilcoxii; [FPN], 440; [NWP], 142; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon wilcoxii Rydb.;
• Penstemon subserratus Pennel east slope of Cascades (C.Washington). See [maps] Subserrate Penstemon Fine-toothed Penstemon

  • Penstemon subserratus; [FPN], 440; [NWP], 144; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon subserratus Pennel;

  Foodplant for Euphydryas colon

• Penstemon confertus Dougl. SE.British Columbia, SW.Alberta, E.Washington, W.Montana, NE.Oregon. See [maps] Scorched Penstemon Yellow Penstemon

  • Penstemon confertus; [FPN], 437; [NWP], 146; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon confertus Dougl.;

  600x937 (~92Kb) USA: FR 9712, Diamond Head, near Blewett Pass (47°18'39N 120°33'57W), Kittitas Co., WA, 5.7.2000, Photo © Markku Savela Penstemon confertus det. Mark Egger

  600x930 (~79Kb) USA: FR 9712, Diamond Head, near Blewett Pass (47°18'39N 120°33'57W), Kittitas Co., WA, 5.7.2000, Photo © Markku Savela Penstemon confertus det. Mark Egger

  1000x651 (~63Kb) USA: FR 9712, Diamond Head, near Blewett Pass (47°18'39N 120°33'57W), Kittitas Co., WA, 5.7.2000, Photo © Markku Savela Penstemon confertus det. Mark Egger

  Foodplant for Pyramidobela quinquecristata

• Penstemon pratensis Greene SE.Oregon, SW.Idaho, Nevada. See [maps] White-flowered Penstemon

  • Penstemon pratensis; [NWP], 148; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon flavescens Pennell W.Montana (Bitterroot Mts.) - C.Idaho. See [maps] Pale Yellow Penstemon

  • Penstemon flavescens; [FPN], 437; [NWP], 150; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon flavescens Pennell;
• Penstemon spatulatus Pennell NE.Oregon (Wallowa Mts.). See [maps] Wallowa Penstemon

  • Penstemon spatulatus; [FPN], 438; [NWP], 152; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon spatulatus Pennell;
• Penstemon radicosus A. Nels. SE.Idaho, SW.Montana - Wyoming, N.Colorado, N.Utah, N.Nevada. See [maps] Matroot Penstemon

  • Penstemon radicosus; [FPN], 439; [NWP], 154; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon radicosus A. Nels.;
• Penstemon peckii Pennell N.Oregon (Jefferson Co., Deschutes Co.). See [maps] Peck's Penstemon

  • Penstemon peckii; [FPN], 438; [NWP], 156; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon peckii Pennell;
• Penstemon washingtonensis Keck N.Washington (Chelan Co., Okanogan Co.). See [maps] Washington Penstemon

  • Penstemon washingtonensis; [FPN], 438; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon washingtonensis Keck;
• Penstemon miser Gray SE.Oregon (Baker Co.) - Nevada, NE.California. See [maps] Poverty Penstemon Golden-tongued Penstemon Malheur Penstemon

  • Penstemon miser; [FPN], 440; [NWP], 160; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon miser Gray;
• Penstemon pumilus Nutt. Idaho (Salmon River Valley). See [maps] Dwarf Penstemon

  • Penstemon pumilus; [FPN], 439; [NWP], 162; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon pumilus Nutt.;
• Penstemon humilis Nutt. from (S.Washington (east of Cascades) - E.California) - Idaho, W.Wyoming, S.Utah. See [maps] Lowly Penstemon Low Penstemon

  • Penstemon humilis brevifolius; [iNaturalist]
  • Penstemon humilis obtusifolius; [iNaturalist]
  • Penstemon humilis var. brevifolius; [CoL] ; [POWO]
  • Penstemon humilis var. obtusifolius; [CoL] ; [POWO]
  • Penstemon humilis; [FPN], 439; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon humilis Nutt.;
  • var. humilis

    • Penstemon humilis humilis; [iNaturalist]
    • Penstemon humilis var. humilis; [POWO]
    • Penstemon humilis var. humilis; [NWP], 164
• Penstemon glaucinus Pennel S.Oregon (Lake Co., Klamath Co.). See [maps]

  • Penstemon glaucinus; [NWP], 166; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon attenuatus Dougl. -. See [maps] Sulphur Penstemon Taper-leaved Penstemon

  • Penstemon attenuatus; [FPN], 438; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon attenuatus Dougl.;
  • var. attenuatus C.Washington - SE.Washington, NE.Oregon, N.Idaho

    • Penstemon attenuatus attenuatus; [iNaturalist]
    • Penstemon attenuatus var. attenuatus; [POWO]
    • Penstemon attenuatus var. attenuatus; [FPN], 439
  • var. palustris (Pennell) Cronq. NE.Oregon

    • Penstemon palustris (Pennell) Cronq.

    • Penstemon attenuatus palustris; [iNaturalist]
    • Penstemon attenuatus var. palustris; [CoL] ; [POWO]
    • Penstemon attenuatus var. palustris; [FPN], 438
  • var. militaris (Greene) Cronq. S.Idaho

    • Penstemon militaris (Greene) Cronq.

    • Penstemon attenuatus militaris; [iNaturalist]
    • Penstemon attenuatus var. militaris; [CoL] ; [POWO]
    • Penstemon attenuatus var. militaris; [FPN], 439
  • var. pseudoprocerus (Rydb.) Cronq. W.Montana, NW.Wyoming

    • Penstemon pseudoprocerus (Rydb.) Cronq.

    • Penstemon attenuatus pseudoprocerus; [iNaturalist]
    • Penstemon attenuatus var. pseudoprocerus; [CoL] ; [POWO]
    • Penstemon attenuatus var. pseudoprocerus; [FPN], 439
• Penstemon procerus Dougl. Alaska - California, Montana, Colorado. See [maps] Alpine Penstemon Small-flowered Penstemon Tiny-bloom Penstemon

  • Penstemon procerus var. aberrans; [POWO]
  • Penstemon procerus var. modestus; [POWO]
  • Penstemon procerus; [FPN], 436; [NWP], 170; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon procerus Dougl.;
  • var. procerus

    • Penstemon procerus procerus; [iNaturalist]
    • Penstemon procerus var. procerus; [POWO]
    • Penstemon procerus var. procerus; [FPN], 436
  • var. tolmiei (Hook.) Cronq. W.Washington

    • Penstemon tolmiei (Hook.) Cronq.
    • Penstemon tolmiei Hook.

    • Penstemon procerus tolmiei; [iNaturalist]
    • Penstemon procerus var. tolmiei; [CoL] ; [POWO]
    • Penstemon procerus var. tolmiei; [FPN], 436
  • var. formosus (A. Nels.) Cronq. Oregon, California

    • Penstemon formosus (A. Nels.) Cronq.

    • Penstemon procerus formosus; [iNaturalist]
    • Penstemon procerus var. formosus; [CoL] ; [POWO]
    • Penstemon procerus var. formosus; [FPN], 436
  • var. brachyanthus (Pennell) Cronq. S.Oregon, California

    • Penstemon brachyanthus (Pennell) Cronq.

    • Penstemon procerus brachyanthus; [iNaturalist]
    • Penstemon procerus var. brachyanthus; [CoL] ; [POWO]
    • Penstemon procerus var. brachyanthus; [FPN], 436
• Penstemon cinicola Keck Oregon (east base of Cascades, Crook Co., Deschutes Co. - Lake Co.) - N.California. See [maps] Ash Beartongue Ash Penstemon

  • Penstemon cinicola; [FPN], 436; [NWP], 172; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon cinicola Keck;
• Penstemon laxus A. Nels. S.Idaho (north of Snake River Plain). See [maps] Lax Penstemon Loose Penstemon

  • Penstemon laxus; [FPN], 436; [NWP], 174; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon laxus A. Nels.;
• Penstemon watsonii Gray S.Idaho, Nevada, SW.Wyoming, NW.Colorado. See [maps] Watson's Penstemon

  • Penstemon watsonii; [NWP], 176; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon globosus (Piper) Pennel & Keck NE.Oregon (Wallowa Mts.), C.Idaho, SW.Montana. See [maps] Globe Penstemon

  • Penstemon globosus (Piper) Pennel & Keck

  • Penstemon globosus; [FPN], 437; [NWP], 178; [CoL] ; [iNaturalist] ; [POWO]
• Penstemon euglaucus English Cascades (S.Washington, N.Oregon). See [maps] Glaucous Penstemon

  • Penstemon euglaucus; [FPN], 436; [NWP], 180; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon euglaucus English;
• Penstemon rydbergii A. Nels. E.Washington - SW.Montana, E.Oregon, Utah, Idaho, SW.Montan, E.Wyoming - New Mexico. See [maps] Rydbgerg's Penstemon

  • Penstemon rydbergii; [FPN], 437; [NWP], 182; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon rydbergii A. Nels.;
  • var. rydbergii E.Colorado, SE.Idaho, Utah

    • Penstemon rydbergii rydbergii; [iNaturalist]
    • Penstemon rydbergii var. rydbergii; [POWO]
  • var. vaseyanus C.Washington
  • var. oreocharis E.Washington - E.Oregon, NE.California, N.Nevada, W.Idaho

    • Penstemon rydbergii oreocharis; [iNaturalist]
    • Penstemon rydbergii var. oreocharis; [CoL] ; [POWO]
  • var. aggregatus W.Montana, E.Idaho, Utah, E.Colorado

    • Penstemon rydbergii aggregatus; [iNaturalist]
    • Penstemon rydbergii var. aggregatus; [CoL] ; [POWO]

• Penstemon tubiflorus Nutt. White-wand Beardtongue

  600x450 (~36Kb) USA: Muscatuck Wildlife Refuge, Jackson Co., Seymour, Indiana, 9.6.2002 (Edge of woodland in tall grass with Dianthus armeria), Photo © Cherise Kergald

  • var. tubiflorus
  • var. achoreus Fern.

    • Penstemon tubaeflorus var. achoreus; [CoL]
• Penstemon hirsutus (L.) Willd.

  • Penstemon pubescens Ait.
  • Penstemon hirsutus var. minimus Bennet
  • Penstemon hirsutus var. pygameus Bennet

  • Penstemon hirsutus hirsutus; [iNaturalist]
  • Penstemon hirsutus; [CoL] ; [iNaturalist] ; [POWO]
  • Pentstemon hirsutus; [GMBOT], 722
• Penstemon cobaea (Nutt.)

  • Penstemon cobaea var. cobaea; [POWO]
  • Penstemon cobaea var. purpureus; [CoL] ; [POWO]
  • Penstemon cobaea; [CoL] ; [iNaturalist] ; [POWO]
  • Pentstemon cobaea; [GMBOT], 722
  • Pentstemon cobaea Nutt.;
• Penstemon canescens (Britton) Britton

  • Penstemon pallidus Small (part)
  • Penstemon brittoniorum Pennel
  • Penstemon canescens var. brittoniorum (Pennel) Pennel
  • Penstemon canescens var. typicus Pennel

  • Penstemon canescens; [CoL] ; [iNaturalist] ; [POWO]
  • Pentstemon canescens; [GMBOT], 722
• Penstemon tubiflorus Nutt.

  • Pentstemon tubiflorus; [GMBOT], 722
• Penstemon laevigatus Ait.

  • Penstemon penstemon (L.) Britton

  • Penstemon laevigatus; [CoL] ; [iNaturalist] ; [POWO]
  • Pentstemon laevigatus; [GMBOT], 722
• Penstemon digitalis Nutt. ex Sims

  • Penstemon laevigatus ssp. digitalis (Nutt. ex Sims) Bennet
  • Penstemon laevigatus var. angulatus Bennet
  • ?Pentstemon digitalis (Sweet) Nutt

  • Penstemon digitalis; [CoL] ; [iNaturalist] ; [POWO]
  • Pentstemon laevigatus var. digitalis; [GMBOT], 722

  Foodplant for Haploa confusa

• Penstemon calycosus Small

  • Penstemon laevigatus spp. calycosus (Small) Bennet

  • Penstemon calycosus; [CoL] ; [iNaturalist] ; [POWO]

• Penstemon alluviorum Pennel

  • Penstemon laevigatus ssp. alluviorum (Pennel) Bennet

  • Penstemon alluviorum; [iNaturalist]
• Penstemon pallidus Small

  • Penstemon arkansanus var. pubescens Pennel
  • Penstemon brevisepalus Pennel

  • Penstemon brevisepalus; [CoL] ; [iNaturalist] ; [POWO]
  • Penstemon pallidus; [CoL] ; [iNaturalist] ; [POWO]

12.1.2003 (89)

If you have corrections, comments or information to add into these pages, just send mail to Markku Savela
Keep in mind that the taxonomic information is copied from various sources, and may include many inaccuracies. Expert help is welcome.