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CNPS Rare Plant Inventory


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52 matches found. Click on scientific name for details

Search Criteria: , Common Name starts with K

Scientific Name Common Name Family Lifeform Blooming Period Fed List State List Global Rank State Rank CA Rare Plant Rank Other Status Threats General Habitats Microhabitats Lowest Elevation (m) Highest Elevation (m) Lowest Elevation (ft) Highest Elevation (ft) CA Endemic Date Added Photo
Arctostaphylos klamathensis Klamath manzanita Ericaceae perennial evergreen shrub May-Aug None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Biocides, Improper burning regime, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (montane), Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Gabbroic (sometimes), Rocky, Serpentine (sometimes) 1370 2250 4495 7380 Yes 1984-01-01 Photo of Arctostaphylos klamathensis
©2014 Dean Wm. Taylor
Boechera koehleri Koehler's stipitate rockcress Brassicaceae perennial herb (Mar)Apr-Jul None None G3G4 S3 1B.3 USFS_S Erosion/runoff, Foot traffic/trampling, ORV activity, Other, Road/trail construction/maint. Chaparral, Lower montane coniferous forest Rocky, Serpentine 155 1660 510 5445 1988-01-01 Photo of Boechera koehleri
©2019 Dana York
Erythranthe shevockii Kelso Creek monkeyflower Phrymaceae annual herb Mar-May None None G1 S1 1B.1 BLM_S; SB_CalBG/RSABG; USFS_S Agriculture, Development, Erosion/runoff, Grazing, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Joshua tree "woodland", Pinyon and juniper woodland Granitic (sometimes), Gravelly (sometimes), Metamorphic (sometimes), Sandy (sometimes) 800 1340 2625 4395 Yes 1984-01-01 Photo of Erythranthe shevockii
© 2021 Ryan O'Dell
Arnica spathulata Klamath arnica Asteraceae perennial rhizomatous herb May-Aug None None G3G4 S3 4.3 Lower montane coniferous forest (serpentinite) 640 1800 2100 5905 1974-01-01 Photo of Arnica spathulata
©2007 Keir Morse
Astragalus lentiginosus var. kernensis Kern Plateau milk-vetch Fabaceae perennial herb Jun-Jul None None G5T2? S2S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps, Subalpine coniferous forest Sandy 2240 2750 7350 9025 1980-01-01
No Photo Available
Astragalus subvestitus Kern County milk-vetch Fabaceae perennial herb (May)Jun-Jul None None G3 S3 4.3 Great Basin scrub, Meadows and seeps, Pinyon and juniper woodland Gravelly (sometimes), Sandy (sometimes) 2330 2750 7645 9025 Yes 1974-01-01
No Photo Available
Blepharidachne kingii King's eyelash grass Poaceae perennial herb May None None G4 S2 2B.3 Other Great Basin scrub (usually carbonate) 1065 2135 3495 7005 1974-01-01
No Photo Available
Brodiaea insignis Kaweah brodiaea Themidaceae perennial bulbiferous herb Apr-Jun None CE G1 S1 1B.2 BLM_S; SB_SBBG; USFS_S Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Other, Road/trail construction/maint. Cismontane woodland, Meadows and seeps, Valley and foothill grassland Clay (sometimes), Granitic (sometimes) 150 1400 490 4595 Yes 1974-01-01 Photo of Brodiaea insignis
© 2007 Robert E. Preston, Ph.D.
Camissonia integrifolia Kern River evening-primrose Onagraceae annual herb (Apr)May None None G2 S2 1B.3 BLM_S Foot traffic/trampling, Road/trail construction/maint. Chaparral, Mojavean desert scrub Openings, Sandy 700 1200 2295 3935 Yes 1980-01-01 Photo of Camissonia integrifolia
© 2015 John Game
Camissonia kernensis ssp. kernensis Kern County evening-primrose Onagraceae annual herb Mar-May None None G4T3 S3 4.3 Chaparral, Joshua tree "woodland", Pinyon and juniper woodland Granitic, Gravelly (sometimes), Sandy (sometimes) 790 2130 2590 6990 Yes 1980-01-01
No Photo Available
Cordylanthus eremicus ssp. kernensis Kern Plateau bird's-beak Orobanchaceae annual herb (hemiparasitic) (May)Jul-Sep None None G3T2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Joshua tree "woodland", Pinyon and juniper woodland, Upper montane coniferous forest 1675 3000 5495 9845 Yes 1988-01-01
No Photo Available
Eremalche parryi ssp. kernensis Kern mallow Malvaceae annual herb Jan(Feb)Mar-May FE None G3G4T3 S3 1B.2 SB_CalBG/RSABG; SB_SBBG Agriculture, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chenopod scrub, Pinyon and juniper woodland, Valley and foothill grassland Clay (sometimes), Dry, Openings, Sandy (sometimes) 70 1290 230 4230 Yes 1974-01-01
No Photo Available
Erigeron multiceps Kern River daisy Asteraceae perennial herb Jun-Sep None None G2G3 S2S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Meadows and seeps, Upper montane coniferous forest (openings) 1500 2535 4920 8315 1974-01-01
No Photo Available
Synthyris missurica ssp. missurica kitten-tails Plantaginaceae perennial rhizomatous herb (May)Jun-Jul(Aug) None None G4G5T4T5 S3 2B.3 SB_BerrySB Foot traffic/trampling, Grazing, Logging, Mining, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest 2000 2560 6560 8400 2001-01-01
No Photo Available
Noccaea fendleri ssp. californica Kneeland Prairie pennycress Brassicaceae perennial herb May-Jun FE None G5?T1 S1 1B.1 SB_UCSC Development, Grazing, Road/trail construction/maint. Coastal prairie (serpentinite) 760 815 2495 2675 Yes 1980-01-01
No Photo Available
Eriogonum hirtellum Klamath Mountain buckwheat Polygonaceae perennial rhizomatous herb Jul-Sep None None G2G3 S2S3 1B.3 SB_UCSC; USFS_S Erosion/runoff, Grazing, Improper burning regime, Logging, ORV activity, Other, Road/trail construction/maint. Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Serpentine 610 1900 2000 6235 Yes 1974-01-01 Photo of Eriogonum hirtellum
©2010 Steve Matson
Eriogonum kelloggii Kellogg's buckwheat Polygonaceae perennial herb (May)Jun-Aug None CE G2 S1 1B.2 BLM_S; SB_CalBG/RSABG Mining, Road/trail construction/maint. Lower montane coniferous forest (rocky, serpentine) 579 1250 1900 4100 Yes 1974-01-01
No Photo Available
Eriogonum kennedyi var. pinicola Kern buckwheat Polygonaceae perennial herb May-Jun(Jul) None None G4T1 S1 1B.1 BLM_S; SB_CalBG/RSABG Development, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Pinyon and juniper woodland Clay 1340 1950 4395 6400 Yes 1974-01-01
No Photo Available
Erythronium pusaterii Kaweah fawn lily Liliaceae perennial bulbiferous herb May-Jul None None G3 S3 1B.3 USFS_S Development, Foot traffic/trampling, Grazing, Logging, Other Meadows and seeps, Subalpine coniferous forest Granitic (sometimes), Metamorphic (sometimes) 2100 2775 6890 9105 Yes 1980-01-01
No Photo Available
Erythronium klamathense Klamath fawn lily Liliaceae perennial bulbiferous herb Apr-Jul None None G4 S2 2B.2 SB_UCSC Logging, Road/trail construction/maint. Meadows and seeps, Upper montane coniferous forest 1200 1850 3935 6070 1974-01-01 Photo of Erythronium klamathense
© 2019 Belinda Lo
Eschscholzia procera Kernville poppy Papaveraceae perennial herb Jun-Jul(Aug) None None G1?Q S1? 3 SB_CalBG/RSABG Cismontane woodland (sandy floodplain) 810 1025 2660 3365 Yes 1974-01-01
No Photo Available
Galium hilendiae ssp. kingstonense Kingston Mountains bedstraw Rubiaceae perennial herb (May)Jun(Oct) None None G4T3 S2 1B.3 BLM_S; SB_CalBG/RSABG Mining Lower montane coniferous forest, Pinyon and juniper woodland Rocky 1200 2100 3935 6890 1984-01-01 Photo of Galium hilendiae ssp. kingstonense
© 2011 Duncan S. Bell
Horkelia cuneata var. sericea Kellogg's horkelia Rosaceae perennial herb Apr-Sep None None G4T1? S1? 1B.1 SB_CalBG/RSABG; SB_UCSC; USFS_S Development, Erosion/runoff, Insufficient population/stand size, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral (maritime), Closed-cone coniferous forest, Coastal dunes, Coastal scrub Gravelly (sometimes), Openings, Sandy (sometimes) 10 200 35 655 Yes 1988-01-01 Photo of Horkelia cuneata var. sericea
© 2018 Neal Kramer
Horkelia tularensis Kern Plateau horkelia Rosaceae perennial herb (May)Jun-Aug None None G2 S2 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Logging, ORV activity Upper montane coniferous forest (rocky) 2255 2875 7400 9435 Yes 1974-01-01 Photo of Horkelia tularensis
© 2003 Christopher L. Christie
Juncus nodosus knotted rush Juncaceae perennial rhizomatous herb Jul-Sep None None G5 S3 2B.3 IUCN_LC Altered flood/tidal/hydrologic regime Marshes and swamps (lake margins), Meadows and seeps (mesic) 30 1980 100 6495 1974-01-01 Photo of Juncus nodosus
© 2005 James M. Andre
Erythranthe acutidens Kings River monkeyflower Phrymaceae annual herb Apr-Jul None None G2G3 S2S3 3 Cismontane woodland, Lower montane coniferous forest 305 1220 1000 4005 Yes 1974-01-01 Photo of Erythranthe acutidens
Barry Breckling
Erythranthe norrisii Kaweah monkeyflower Phrymaceae annual herb Mar-May None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Non-native plant impacts, Over-collecting/poaching Chaparral, Cismontane woodland Carbonate, Rocky 365 1300 1200 4265 Yes 1984-01-01
No Photo Available
Sidalcea keckii Keck's checkerbloom Malvaceae annual herb Apr-May(Jun) FE None G2 S2 1B.1 SB_CalBG/RSABG Agriculture, Development, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland Clay, Serpentine 75 650 245 2135 Yes 1974-01-01
No Photo Available
Sidalcea oregana ssp. valida Kenwood Marsh checkerbloom Malvaceae perennial rhizomatous herb Jun-Sep FE CE G5T1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Surface water diversion Marshes and swamps (freshwater) 115 150 375 490 Yes 1974-01-01
No Photo Available
Tripterocalyx crux-maltae Kellogg's sand-verbena Nyctaginaceae perennial herb May-Jul None None G4? S1 2B.2 SB_CalBG/RSABG Great Basin scrub (partially or fully stabilized sand dunes) 1200 1500 3935 4920 2001-01-01
No Photo Available
Tropidocarpum californicum Kings gold Brassicaceae annual herb Feb-Mar None None G1 S1 1B.1 BLM_S Agriculture, Development, Disking, Grazing Chenopod scrub 65 180 215 590 Yes 2001-01-01 Photo of Tropidocarpum californicum
© 2017 Robert E. Preston, Ph.D.
Ivesia patellifera Kingston Mountains ivesia Rosaceae perennial herb Jun-Oct None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG Pinyon and juniper woodland (granitic, rocky) 1400 2100 4595 6890 Yes 1974-01-01
No Photo Available
Streptanthus morrisonii ssp. kruckebergii Kruckeberg's jewelflower Brassicaceae perennial herb Apr-Jul None None G2T1 S1 1B.2 BLM_S Mining, Other Cismontane woodland (serpentinite) 215 1035 705 3395 Yes 1994-01-01
No Photo Available
Angelica kingii King's angelica Apiaceae perennial herb Jun-Aug None None G3G4 S3 4.2 SB_CalBG/RSABG Great Basin scrub, Meadows and seeps, Pinyon and juniper woodland Mesic 1830 3080 6005 10105 2001-01-01 Photo of Angelica kingii
© 2015 Steve Matson
Arctostaphylos manzanita ssp. elegans Konocti manzanita Ericaceae perennial evergreen shrub (Jan)Mar-May(Jul) None None G5T3 S3 1B.3 BLM_S; SB_UCSC Agriculture, Development, Erosion/runoff, Improper burning regime, Mining, Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest Volcanic 395 1615 1295 5300 Yes 2001-01-01 Photo of Arctostaphylos manzanita ssp. elegans
©2018 Dean Wm. Taylor
Polystichum kruckebergii Kruckeberg's sword fern Dryopteridaceae perennial rhizomatous herb Jun-Aug None None G4 S4 4.3 Subalpine coniferous forest, Upper montane coniferous forest Rocky 2100 3200 6890 10500 1980-01-01 Photo of Polystichum kruckebergii
© 2021 Scot Loring
Arctostaphylos regismontana Kings Mountain manzanita Ericaceae perennial evergreen shrub Dec-Apr None None G2 S2 1B.2 SB_UCSC Biocides, Disease, Erosion/runoff, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Chaparral, North Coast coniferous forest Granitic, Sandstone 305 730 1000 2395 Yes 1994-01-01 Photo of Arctostaphylos regismontana
© 2007 Neal Kramer
Clarkia xantiana ssp. parviflora Kern Canyon clarkia Onagraceae annual herb May-Jun None None G4T3? S3? 4.2 SB_CalBG/RSABG Chaparral, Cismontane woodland, Great Basin scrub, Valley and foothill grassland Roadsides (sometimes), Rocky (sometimes), Sandy (often), Slopes 700 3620 2295 11875 Yes 1994-01-01
No Photo Available
Erigeron inornatus var. keilii Keil's daisy Asteraceae perennial herb Jun-Sep None None G5T2 S2 1B.3 SB_CalBG/RSABG Lower montane coniferous forest, Meadows and seeps 1800 2200 5905 7220 Yes 1994-01-01
No Photo Available
Erigeron petrophilus var. viscidulus Klamath rock daisy Asteraceae perennial rhizomatous herb Jul-Sep None None G4T4 S4 4.3 Chaparral, Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Serpentine (sometimes) 1500 2700 4920 8860 1994-01-01 Photo of Erigeron petrophilus var. viscidulus
©2014 Neal Kramer
Eriogonum nudum var. regirivum Kings River buckwheat Polygonaceae perennial herb Aug-Nov None None G5T2 S2 1B.2 USFS_S Erosion/runoff Cismontane woodland (carbonate, rocky) 150 300 490 985 Yes 1994-01-01
No Photo Available
Eriogonum prattenianum var. avium Kettle Dome buckwheat Polygonaceae perennial herb Jun-Aug None None G4T3 S3 4.2 Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Granitic (sometimes), Metamorphic (sometimes) 1200 2900 3935 9515 Yes 1994-01-01
No Photo Available
Gentiana plurisetosa Klamath gentian Gentianaceae perennial herb Jul-Sep None None G2 S2 1B.3 Foot traffic/trampling, Grazing Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Mesic 1200 1900 3935 6235 1994-01-01 Photo of Gentiana plurisetosa
©2011 Kjirsten Wayman
Lilium kelloggii Kellogg's lily Liliaceae perennial bulbiferous herb (Feb)May-Aug None None G3 S3 4.3 Lower montane coniferous forest, North Coast coniferous forest Openings, Roadsides 3 1300 10 4265 1974-01-01 Photo of Lilium kelloggii
© 2019 Spencer Riffle
Ceanothus pinetorum Kern ceanothus Rhamnaceae perennial evergreen shrub May-Jul None None G3 S3 4.3 Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Granitic, Rocky 1040 2745 3410 9005 Yes 1974-01-01 Photo of Ceanothus pinetorum
©2017 Aaron Schusteff
Entosthodon kochii Koch's cord moss Funariaceae moss None None G1 S1S2 1B.3 BLM_S Feral pigs, Grazing, Military operations, Non-native plant impacts, Recreational use (non-ORV) Cismontane woodland (soil) 180 1000 590 3280 Yes 2001-01-01
No Photo Available
Berberis harrisoniana Kofa Mountain barberry Berberidaceae perennial evergreen shrub Jan-Mar None None G2 S1 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA Erosion/runoff, Foot traffic/trampling, Road/trail construction/maint. Chaparral, Mojavean desert scrub Slopes, Talus, Volcanic (sometimes) 780 840 2560 2755 2006-02-07
No Photo Available
Silene salmonacea Klamath Mountain catchfly Caryophyllaceae perennial herb (Apr)May-Jul None None G3 S3 4.3 SB_UCSC; USFS_S Erosion/runoff, Logging, Mining, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest Openings, Serpentine (usually) 775 1380 2545 4530 Yes 2006-10-31 Photo of Silene salmonacea
©2008 Amanda Shufelberger
Orthotrichum kellmanii Kellman's bristle moss Orthotrichaceae moss Jan-Feb None None G1 S1 1B.2 USFS_S Chaparral, Cismontane woodland Carbonate, Sandstone 343 685 1125 2245 Yes 2007-08-16
No Photo Available
Carex klamathensis Klamath sedge Cyperaceae perennial rhizomatous herb None None G2 S1 1B.2 BLM_S; SB_UCSC Chaparral, Cismontane woodland, Meadows and seeps Serpentine 1000 1140 3280 3740 2008-03-20
No Photo Available
Lewisia kelloggii ssp. kelloggii Kellogg's lewisia Montiaceae perennial herb (Apr)May-Aug None None G3G4T2T3Q S2S3 3.2 USFS_S Upper montane coniferous forest Openings 1465 2365 4805 7760 Yes 2013-10-02 Photo of Lewisia kelloggii ssp. kelloggii
© 2019 Barry Breckling
Silene krantzii Krantz's catchfly Caryophyllaceae perennial herb Apr-Sep None None G1 S1 1B.2 SB_CalBG/RSABG Alpine dwarf scrub Gravelly (usually), Rocky (sometimes), Sandy (usually) 3235 3510 10615 11515 Yes 2017-07-19
No Photo Available

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Suggested Citation:
California Native Plant Society, Rare Plant Program. 2026. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 9 June 2026].
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