Klamath Basin Chapter, 
Native Plant Society of Oregon

Dedicated to the enjoyment, conservation & study of the Basin's native flora. 

The Upper Klamath Basin is located in Southern Oregon and Northern California. It covers an area of more than 7200 square miles and is bordered by the Cascade Mountains on the west and the Gearhart Mountain area on the east. The basin extends north to Chemult and south below the Oregon/California border.

The habitats range from high desert to marshes and sub-alpine meadows to alkaline flats. The diversity is amazing with more than 1000 plant species documented.

The Klamath Basin Chapter of the Native Plant Society of Oregon (NPSO) was formed to promote awareness of the native flora in our region. The KBNPS meets regularly to educate its members and the public about conserving, propagating, and identifying our plants and flowers. We organize field trips to hike through the forest to see rare wildflowers in bloom, wade through marshes with expert guides to see sedges and carnivorous plants and walk the trails in local parks to explore the diversity of the plant life.

If you have ever sat in a meadow and wondered what that pretty pink flower was or driven through the woods and wondered how many different trees you saw, then becoming a member of the Klamath Basin Chapter of the Native Plant Society might be for you.



Zigadenus paniculatus - Devils Garden - Ron Larson
Wyethia mollis - Stukel Mountain - Ron Larson
Wyethia mollis - Stukel Mountain - Ron Larson
Viola sheltoni - Modoc Rim - Ron Larson
Viola nuttallii - Gerber - Ron Larson
Viola beckwithii - Perez - Ron Larson
Viola beckwithii - Perez - Ron Larson
Tsuga mertensiana - Crater Lake - Ron Larson
Trichostema oblongum - Paiute Rock - Ron Larson
Tsuga mertensiana - Crater Lake - Ron Larson
Tragopogon dubius - Klamath Falls - Ron Larson
Tragopogon dubius - Klamath Falls - Ron Larson
Tetradymia canescens - Modoc Rim - Ron Larson
Tetradymia canescens - Modoc Rim - Ron Larson
Symphoricarpos albus - Wood River Wetlands - Ron Larson
Streptanthus cordatus - Paiute Rock - Ron Larson
Sphenosciadium capitellatum - Gearhart - Ron Larson
Smilacina stellata - Devils Garden - Ron Larson
Smilacina racemosa - Bad Lands - Ron Larson
Sisyrinchium douglasii - Keno - Ron Larson
Silene oregana - Gearhart - Ron Larson
Sidalcea oregana - Klamath Falls - Ron Larson
Sidalcea oregana - Ft. Klamath - Ron Larson
Senecio intergerrimus - Dry Lakes - Ron Larson
Senecio canus - Bad Lands - Ron Larson
Scutellaria nana - Paiute Rock - Ron Larson
Sambucus mexicana - Bad Lands - Ron Larson
Sambucus mexicana - Bad Lands - Ron Larson
Salix sp - Odessa - Ron Larson
Ribes velutinum - Hogback - Ron Larson
Ribes lobbii - Eagle Ridge - Ron Larson
Ribes cereum - Modoc Rim - Ron Larson
Ribes aureum - Klamath Falls - Ron Larson
Ranunculus glaberrimus - Paiute Rock - Ron Larson
Ranunculus glaberrimus - Bly Mountain - Ron Larson
Ranunculus andersonii - Paiute Rock - Ron Larson
Ranunculus alismaefolius - Dry Lakes - Ron Larson
Raillardella argentea - Crater Lake - Ron Larson
Raillardella argentea - Crater Lake - Ron Larson
Pyrola picta - Gearhart - Ron Larson
Pseudoroegneria spicata - Klamath Falls - Ron Larson
Prunus emarginata - Gearhart - Ron Larson
Prunus emarginata - Gearhart - Ron Larson
Potentilla glandulosa - Paiute Rock - Ron Larson
Potentilla glandulosa - Paiute Rock - Ron Larson
Populus tremuloides - Williamson River - Ron Larson
Populus tremuloides - Klamath Falls - Ron Larson
Polystichum scopulinum - Gearhart - Ron Larson
Polygonum shastense - Crater Lake - Ron Larson
Polygonum newberryi - Crater Lake - Ron Larson
Polygonum bistortoides - Devils Garden - Ron Larson
Polygonum bistortoides - Devils Garden - Ron Larson
Polyctenium fremontii - Perez - Ron Larson
Plectritis macrocera - Devils Garden - Ron Larson
Platanthera leucostachys - Gearhart - Ron Larson
Platanthera leucostachys - Gearhart - Ron Larson
Pinus ponderosa - Winter Rim - Ron Larson
Pinus ponderosa - near Klamath Marsh - Ron Larson
Pinus ponderosa - Klamath River - Ron Larson
Pinus ponderosa - NF Sprague - Ron Larson
Pinus lambertiana - Swan Lake Mountain - Ron Larson
Pinus lambertiana - Swan Lake Mountain - Ron Larson
Pinus lambertiana - Spoude Mountain - Ron Larson
Pinus contorta - Gearhart Mountain - Ron Larson
Pinus contorta - Gearhart Mountain - Ron Larson
Pinus albicaulis - Gearhart Mountain Lake - Ron Larson
Pinus albicaulis - Gearhart Mountain Lake - Ron Larson
Pinus albicaulis - Crater Lake - Ron Larson
Pinus albicaulis - Crater Lake - Ron Larson
Phoradendron juniperum - Bad Lands - Ron Larson
Phoradendron juniperum - Bad Lands - Ron Larson
Phoenicaulis cheiranthoides - Gerber - Ron Larson
Phoenicaulis cheiranthoides - Yamsey Mountain - Ron Larson
Phlox gracilis - Dry Lakes - Ron Larson
Phlox diffusa - Hogback - Ron Larson
Phlox diffusa - Hogback - Ron Larson
Phacelia ramosissima - Bad Lands - Ron Larson
Phacelia linearis - Modoc Rim - Ron Larson
Phacelia heterophylla - Bad Lands - Ron Larson
Phacelia heterophylla - Bad Lands - Ron Larson
Penstemon rupicola - Crater Lake - Ron Larson
Penstemon roezlii - Klamath Falls - Ron Larson
Penstemon miser - Klamath Falls - Ron Larson
Penstemon janishiae - Paiute Rock - Ron Larson
Penstemon janishiae - Paiute Rock - Ron Larson
Penstemon glaucinus - Gearhart - Ron Larson
Penstemon douglasii - Gearhart - Ron Larson
Paeonia brownii - Devils Garden - Ron Larson
Pedicularis groenlandica - Gearhart - Ron Larson
Paeonia brownii - Devils Garden - Ron Larson
Nemophilia pedunculata - Devils Garden - Ron Larson
Navarretia intertexta - Paiute Rock - Ron Larson
Navarretia breweri - Bad Lands - Ron Larson
Nama densum - Devils Garden - Ron Larson
Monardella odorarissima - Gearhart - Ron Larson
Monardella odorarissima - Bad Lands - Ron Larson
Mimulus primuloides - Gearhart Mountain - Ron Larson
Mimulus nanus - Bad Lands - Ron Larson
Mimulus guttatus - Paiute Rock - Ron Larson
Mimulus guttatus - Gearhart - Ron Larson
Mimulus guttatus - Bad Lands - Ron Larson
Microsteris gracilis - Paiute Rock - Ron Larson
Mentzelia laevicaulis - The Peninsula - Ron Larson
Madia minima - Bad Lands - Ron Larson
Mentzelia laevicaulis - Stukel Mountain - Ron Larson
Machanthera canescens - Lava Beds - Ron Larson
Lupinus polyphyllus - Gearhart Mountain - Ron Larson
Lupinus lepidus - Devils Garden - Ron Larson
Lupinus lepidus - Crater Lake - Ron Larson
Lupinus argenteus - Hogback - Ron Larson
Lomatium triternatum - Hogback - Ron Larson
Lomatium sp. - Devils Garden - Ron Larson
Lomatium piperi - Hogback - Ron Larson
Lomatium peckianum - Paiute Rock - Ron Larson
Lomatium nudicale - Gerber - Ron Larson
Lomatium macrocarpum - Gerber - Ron Larson
Lomatium californicum - Modoc Rim - Ron Larson
Lithophragma glabrum - Dry Lakes - Ron Larson
Lithophragma glabrum - Bad Lands - Ron Larson
Linum lewisii - Modoc Rim - Ron Larson
Linum lewisii - Modoc Rim - Ron Larson
Linanthus ciliatus - Bad Lands - Ron Larson
Linanthastrum nuttallii - Gearhart - Ron Larson
Lewisia sierra - Dry Lakes - Ron Larson
Leymus cinereus - Paiute Rock - Ron Larson
Lewisia rediviva - Devils Garden - Ron Larson
Leucocrinum montanum - Paiute Rock - Ron Larson
Leucocrinum montanum - Bad Lands - Ron Larson
Lesqurella occidentalis - Paiute Rock - Ron Larson
Layia glandulosa - Pauite Rock - Ron Larson
Lagophylla ramosissima - Klamath Falls - Ron Larson
Kalmia microphylla - Gearhart - Ron Larson
Juniperus occidentalis - Paiute Rock - Ron Larson
Juniperus occidentalis - Lava Beds - Ron Larson
Ipomopsis aggregata - Gearhart - Ron Larson
Ipomopsis aggregata - Gearhart - Ron Larson
Idahoa scapigera - Paiute Rock - Ron Larson
Hypericum anagalloides - Gearhart - Ron Larson
Hydrophyllum capitatum - Dry Lakes - Ron Larson
Hulsea nana - Crater Lake - Ron Larson
Holodiscus dumosus - Gearhart - Ron Larson
Hieracium scouleri - Bad Lands - Ron Larson
Heuchera cylindrica - Bad Lands - Ron Larson
Hesperochiron californicus - Devils Garden - Ron Larson
Heracleum maximum - Crater Lake - Ron Larson
Heracleum maximum - Crater Lake - Ron Larson
Grindelia squarrosa - Klamath Falls - Ron Larson
Geum trifolium - Bad Lands - Ron Larson
Geum trifolium - Devils Garden - Ron Larson
Geranium viscosissimum - Gearhart - Ron Larson
Gentianopsis simplex - Gearhart - Ron Larson
Fritillaria pudica - Dry Lakes - Ron Larson
Fritillaria atropurpurea - Bad Lands - Ron Larson
Fragaria virginica - Devils Garden - Ron Larson
Euthamia occidentalis - Olene - Ron Larson
Euthamia occidentalis - Olene - Ron Larson
Eschscholzia californica - Lava Beds - Ron Larson
Eschscholzia californica - Klamath Falls - Ron Larson
Eriophyllum lantanum - Paiute Rock - Ron Larson
Erigonum vimineum - Bly Mountain - Ron Larson
Erigonum vimineum - Bly Mountain - Ron Larson
Erigonum umbellatum - Klamath River - Ron Larson
Erigonum umbellatum - Gearhart - Ron Larson
Erigonum strictum - Paiute Rock - Ron Larson
Erigonum umbellatum - Gearhart - Ron Larson
Erigonum strictum - Klamath Falls - Ron Larson
Erigonum pyrolifolium - Crater Lake - Ron Larson
Erigonum ovalifolium - Devils Garden - Ron Larson
Erigonum elatum - Gearhart - Ron Larson
Erigonum cusickii - Devils Garden - Ron Larson
Erigonum cusickii - Devils Garden - Ron Larson
Erigeron pumilus - Devils Garden - Ron Larson
Erigeron peregrinus - Gearhart - Ron Larson
Erigeron linearis - Devils Garden - Ron Larson
Erigeron divergens - Bly - Ron Larson
Erigeron divergens - Bly - Ron Larson
Erigeron bloomeri - Klamath Falls - Ron Larson
Erigeron aphanactis - Devils Garden - Ron Larson
Ericameria viscidiflora - Sprague - Ron Larson
Ericameria nauseosa - Sprague River - Ron Larson
Ericameria nauseosa - Sprague River - Ron Larson
Ericameria nauseosa - Sprague River - Ron Larson
Ericameria greenii - Crater Lake - Ron Larson
Epilobium angustifolium - Klamath Marsh - Ron Larson
Elymus elymoides - Winema NF - Ron Larson
Elymus elymoides - Winema NF - Ron Larson
Dodecatheon conjugans - Dry Lakes - Ron Larson
Dimeresia howellii - Devils Garden - Ron Larson
Dodecatheon conjugans - Dry Lakes - Ron Larson
Dimeresia howellii - Devils Garden - Ron Larson
Delphinium nuttallianum - Modoc Rim - Ron Larson
Cystopteris fragilis - Gearhart - Ron Larson
Cryptantha spiculifera - Devils Garden - Ron Larson
Cynoglossum occidentale - Bad Lands - Ron Larson
Crocidium multicaule - Perez - Ron Larson
Crepsis modocensis - Paiute Rock - Ron Larson
Collomia tinctoria - Paiute Rock - Ron Larson
Collomia tinctoria - Paiute Rock - Ron Larson
Collomia grandiflora - Bad Lands - Ron Larson
Collomia grandiflora - Bad Lands - Ron Larson
Collinsia parviflora - Dry Lakes - Ron Larson
Claytonia megarhiza - Gearhart - Ron Larson
Clarkia lassenensis - Bad Lands - Ron Larson
Chenactis douglasii - Bad Lands - Ron Larson
Chenactis douglasii - Bad Lands - Ron Larson
Cheilanthes gracillima - Gearhart - Ron Larson
Cerocarpus ledifolius - Paiute Rock - Ron Larson
Ceonothus velutinus - Bad Lands - Ron Larson
Cerocarpus betuloides - near Devils Garden - Ron Larson
Ceanothus prostratus - Modoc Rim - Ron Larson
Castilleja viscidula - Gearhart - Ron Larson
Castilleja miniata - Gearhart - Ron Larson
Castilleja applegatei - Modoc Rim - Ron Larson
Castilleja applegatei - Klamath - Ron Larson
Camassonia andina - Devils Garden - Ron Larson
Camassia quamash - Quartz Mountain - Ron Larson
Calyptridium umbellatum - Devils Garden - Ron Larson
Caltha leptosepala - Gearhart - Ron Larson
Calyptridium umbellatum - Devils Garden - Ron Larson
Calochortus macrocarpum - Modoc Rim - Ron Larson
Calocedrus decurrens - near Paiute Rock - Ron Larson
Botrychium multifidum - Ft. Klamath - Ron Larson
Blepharipappus scaber - Paiute Rock - Ron Larson
Bidens cernua - Klamath Falls - Ron Larson
Betula glandulosa - Gearhart - Ron Larson
Berberis aquifolia - Howard Bay - Ron Larson
Balsamorhiza sagittata - Sheepy Ridge - Ron Larson
Balsamorhiza sagittata - Hogback - Ron Larson
Aster foliaceus - Sprague River - Ron Larson
Aster eatonii - Ft. Klamath - Ron Larson
Artemisia arbuscula - Paiute Rock - Ron Larson
Arnica cordifolia - Crater Lake - Ron Larson
Arenaria congesta - Devils Garden - Ron Larson
Arenaria aculeata - Gearhart - Ron Larson
Arctostaphylos patula - Paiute Rock - Ron Larson
Arabis platysperma - Crater Lake - Ron Larson
Arabis hoboellii - Bad Lands - Ron Larson
Aquilegia formosa - Gearhart - Ron Larson
Aquilegia formosa - Gearhart - Ron Larson
Apocynum androsaemifolium - Modoc Rim - Ron Larson
Antennaria dimorpha - Bad Lands - Ron Larson
Anaphalis margaritacea - Crater Lake - Ron Larson
Anaphalis margaritacea - Crater Lake - Ron Larson
Amelanchier alnifolia - Modoc Rim - Ron Larson
Allium validium - Gearhart - Ron Larson
Allium validium - Gearhart - Ron Larson
Allium tolmei - Devils Garden - Ron Larson
Allium parvum - Paiute Rock - Ron Larson
Aibes concolor - Spoude Mountain - Ron Larson
Agoseris glauca - Crater Lake - Ron Larson
Ageratina occidentalis - Gearhart - Ron Larson
Agastache urtricifolia - Bad Lands - Ron Larson
Aconitum columbianum - Gearhart - Ron Larson
Aconitum columbianum - Gearhart - Ron Larson
Achillea millefolium - Crater Lake - Ron Larson
Sambucus racemosa - red elderberry
Oxyria digyna - mountain sorrel
Chamerion angustifolium - fireweed
Botrychium pumicola - Crater Lake - Steve Sheehy Pumice Grapefern
Botrychium pumicola - Crater Lake - Steve Sheehy Pumice Grapefern
Astragalus applegateii - Klamath Falls - Steve Sheehy Applegate's Milkvetch
unknown Paintbrush - Modoc Rim - Kim Elliott
Astragalus applegatei - Applegate's Milkvetch photo by - Steve Sheehy

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