122 matches found. Click on scientific name for details
Search Criteria: Common Name starts with H
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 |
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Sisyrinchium hitchcockii | Hitchcock's blue-eyed grass | Iridaceae | perennial rhizomatous herb | Jun | None | None | G1G2 | S1 | 1B.1 | Cismontane woodland (openings), Valley and foothill grassland | 305 | 305 | 1000 | 1000 | 2004-01-01 |
©2009 Dana York |
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Taraxacum ceratophorum | horned dandelion | Asteraceae | annual herb | Jun-Jul(Aug) | None | None | G5 | S1 | 2B.1 | Alpine boulder and rock field, Meadows and seeps, Valley and foothill grassland (mesic) | Carbonate (sometimes) | 2895 | 3610 | 9500 | 11845 | 2004-01-01 |
No Photo Available |
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Calycadenia hooveri | Hoover's calycadenia | Asteraceae | annual herb | Jul-Sep | None | None | G2 | S2 | 1B.3 | Agriculture, Development, Grazing, Road/trail construction/maint. | Cismontane woodland, Valley and foothill grassland | Rocky | 65 | 300 | 215 | 985 | Yes | 1980-01-01 |
No Photo Available |
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Agrostis hendersonii | Henderson's bent grass | Poaceae | annual herb | Apr-Jun | None | None | G2Q | S2 | 3.2 | Dam/Inundation, Development, Grazing, Non-native plant impacts, ORV activity, Other, Vandalism/dumping/litter | Valley and foothill grassland (mesic), Vernal pools | 70 | 305 | 230 | 1000 | 1974-01-01 |
©2005 Steve Matson |
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Agrostis hooveri | Hoover's bent grass | Poaceae | perennial herb | Apr-Jul | None | None | G2 | S2 | 1B.2 | BLM_S; SB_SBBG; USFS_S | Development, Grazing, Mining, Non-native plant impacts, Road/trail construction/maint., Wood cutting or brush clearing | Chaparral, Cismontane woodland, Closed-cone coniferous forest, Valley and foothill grassland | Sandy (usually) | 6 | 610 | 20 | 2000 | Yes | 1974-01-01 |
2017 Adonis (Don) Tate |
Allium hickmanii | Hickman's onion | Alliaceae | perennial bulbiferous herb | Mar-May | None | None | G2 | S2 | 1B.2 | BLM_S; SB_SBBG; USFS_S | Development, Erosion/runoff, Foot traffic/trampling, Grazing, Military operations, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter | Chaparral (maritime), Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland | 5 | 200 | 15 | 655 | Yes | 1974-01-01 |
© 2017 Dylan Neubauer |
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Arctostaphylos hookeri ssp. hearstiorum | Hearsts' manzanita | Ericaceae | perennial evergreen shrub | Feb-Apr | None | CE | G3T2 | S2 | 1B.2 | Foot traffic/trampling, Grazing, Hybridization | Chaparral (maritime), Coastal prairie, Coastal scrub, Valley and foothill grassland | Sandy | 55 | 200 | 180 | 655 | Yes | 1974-01-01 |
© 2006 Steve Matson |
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Arctostaphylos hookeri ssp. hookeri | Hooker's manzanita | Ericaceae | perennial evergreen shrub | Jan-Jun | None | None | G3T2 | S2 | 1B.2 | BLM_S; SB_UCSC | Agriculture, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing | Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub | Sandy | 46 | 536 | 150 | 1760 | Yes | 1984-01-01 |
© 2011 Chris Winchell |
Arctostaphylos hooveri | Hoover's manzanita | Ericaceae | perennial evergreen shrub | Feb-Jun | None | None | G3 | S3 | 4.3 | SB_CalBG/RSABG; SB_UCSC; USFS_S | Broadleafed upland forest, Chaparral (rocky), Cismontane woodland, Lower montane coniferous forest | 480 | 1035 | 1575 | 3395 | Yes | 1974-01-01 |
© 2005 Dean Wm. Taylor |
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Deinandra halliana | Hall's tarplant | Asteraceae | annual herb | (Mar)Apr-May | None | None | G3 | S3 | 1B.1 | BLM_S; SB_CalBG/RSABG; SB_SBBG | Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. | Chenopod scrub, Cismontane woodland, Valley and foothill grassland | Alkaline (sometimes), Clay | 260 | 950 | 855 | 3115 | Yes | 1974-01-01 |
No Photo Available |
Chloropyron molle ssp. hispidum | hispid salty bird's-beak | Orobanchaceae | annual herb (hemiparasitic) | Jun-Sep | None | None | G2T1 | S1 | 1B.1 | Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. | Meadows and seeps, Playas, Valley and foothill grassland | Alkaline | 1 | 155 | 5 | 510 | Yes | 1974-01-01 |
No Photo Available |
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Boechera hoffmannii | Hoffmann's rockcress | Brassicaceae | perennial herb | Feb-Apr | FE | None | G1G2 | S1S2 | 1B.1 | SB_CalBG/RSABG; SB_SBBG | Erosion/runoff, Grazing, Non-native plant impacts | Chaparral, Coastal bluff scrub, Coastal scrub | Rocky, Sandy, Volcanic | 60 | 395 | 195 | 1295 | Yes | 1974-01-01 |
No Photo Available |
Ceanothus purpureus | holly-leaved ceanothus | Rhamnaceae | perennial evergreen shrub | Feb-Jun | None | None | G2 | S2 | 1B.2 | SB_SBBG | Agriculture, Development, Road/trail construction/maint., Wood cutting or brush clearing | Chaparral, Cismontane woodland | Rocky, Volcanic | 120 | 640 | 395 | 2100 | Yes | 1974-01-01 |
© 2012 Jake Ruygt |
Arctostaphylos hispidula | Howell's manzanita | Ericaceae | perennial evergreen shrub | Mar-Apr | None | None | G4 | S3 | 4.2 | SB_UCSC | Chaparral (sandstone, serpentinite) | 120 | 1250 | 395 | 4100 | 1974-01-01 |
© 2006 Steve Matson |
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Draba howellii | Howell's draba | Brassicaceae | perennial herb | Jun-Jul | None | None | G4 | S4 | 4.3 | SB_BerrySB | Subalpine coniferous forest (rocky) | 1370 | 3000 | 4495 | 9845 | 1974-01-01 |
© 2013 Dana York |
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Astragalus agnicidus | Humboldt County milk-vetch | Fabaceae | perennial herb | (Mar)Apr-Sep | None | CE | G2 | S2 | 1B.1 | SB_BerrySB; SB_CalBG/RSABG | Biocides, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing | Broadleafed upland forest, North Coast coniferous forest | Disturbed areas, Openings, Roadsides (sometimes) | 120 | 800 | 395 | 2625 | Yes | 1974-01-01 |
©2004 Dean Wm. Taylor |
Astragalus insularis var. harwoodii | Harwood's milk-vetch | Fabaceae | annual herb | Jan-May | None | None | G5T4 | S2 | 2B.2 | SB_CalBG/RSABG | Development, Erosion/runoff, Grazing, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter | Desert dunes, Mojavean desert scrub | Gravelly (sometimes), Sandy (sometimes) | 0 | 710 | 0 | 2330 | 1980-01-01 |
No Photo Available |
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Atriplex cordulata var. cordulata | heartscale | Chenopodiaceae | annual herb | Apr-Oct | None | None | G3T2 | S2 | 1B.2 | BLM_S | Agriculture, Dam/Inundation, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Road/trail construction/maint., Waterway bank protection/maintenance | Chenopod scrub, Meadows and seeps, Valley and foothill grassland (sandy) | Alkaline (sometimes) | 0 | 560 | 0 | 1835 | Yes | 1988-01-01 |
© 1994 Robert E. Preston, Ph.D. |
Camissoniopsis hardhamiae | Hardham's evening-primrose | Onagraceae | annual herb | Mar-May | None | None | G2 | S2 | 1B.2 | BLM_S; USFS_S | Biocides, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. | Chaparral, Cismontane woodland | Burned areas (sometimes), Carbonate, Disturbed areas (sometimes), Sandy | 140 | 945 | 460 | 3100 | Yes | 1980-01-01 |
No Photo Available |
Lomatium hooveri | Hoover's lomatium | Apiaceae | perennial herb | Apr-Jul | None | None | G3 | S3 | 4.3 | Chaparral, Cismontane woodland | Serpentine, Volcanic (rarely) | 300 | 885 | 985 | 2905 | Yes | 1980-01-01 |
No Photo Available |
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Lomatium howellii | Howell's lomatium | Apiaceae | perennial herb | Apr-Jul | None | None | G4G5 | S4 | 4.3 | Chaparral, Lower montane coniferous forest | Serpentine | 110 | 1705 | 360 | 5595 | 1974-01-01 |
©2008 Keir Morse |
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Castilleja montigena | Heckard's paintbrush | Orobanchaceae | perennial herb (hemiparasitic) | May-Aug | None | None | G3 | S3 | 4.3 | Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest | 1950 | 2800 | 6400 | 9185 | Yes | 1974-01-01 |
No Photo Available |
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Ceanothus hearstiorum | Hearsts' ceanothus | Rhamnaceae | perennial evergreen shrub | Mar-Apr | None | CR | G1G2 | S1S2 | 1B.2 | BLM_S | Development, Foot traffic/trampling, Grazing, Improper burning regime, Other | Chaparral (maritime), Coastal prairie, Coastal scrub | 75 | 245 | 245 | 805 | Yes | 1974-01-01 |
No Photo Available |
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Euphorbia hooveri | Hoover's spurge | Euphorbiaceae | annual herb | Jul-Sep(Oct) | FT | None | G1 | S1 | 1B.2 | Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Surface water diversion | Vernal pools | 25 | 250 | 80 | 820 | Yes | 1974-01-01 |
No Photo Available |
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Chorizanthe howellii | Howell's spineflower | Polygonaceae | annual herb | May-Jul | FE | CT | G1 | S1 | 1B.2 | Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. | Coastal dunes, Coastal prairie, Coastal scrub | Disturbed areas (often), Sandy | 0 | 45 | 0 | 150 | Yes | 1980-01-01 |
No Photo Available |
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Cryptantha hooveri | Hoover's cryptantha | Boraginaceae | annual herb | Apr-May | None | None | GH | SH | 1A | Agriculture, Development | Inland dunes, Valley and foothill grassland (sandy) | 9 | 150 | 30 | 490 | Yes | 1974-01-01 |
No Photo Available |
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Delphinium californicum ssp. interius | Hospital Canyon larkspur | Ranunculaceae | perennial herb | Apr-Jun | None | None | G3T3 | S3 | 1B.2 | BLM_S; SB_CalBG/RSABG | Agriculture, Feral pigs, Grazing, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing | Chaparral (openings), Cismontane woodland (mesic), Coastal scrub | 195 | 1095 | 640 | 3595 | Yes | 1984-01-01 |
No Photo Available |
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Delphinium hutchinsoniae | Hutchinson's larkspur | Ranunculaceae | perennial herb | Mar-Jun | None | None | G2 | S2 | 1B.2 | SB_UCSC; USFS_S | Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, Other, Over-collecting/poaching, Road/trail construction/maint. | Broadleafed upland forest, Chaparral, Coastal prairie, Coastal scrub | 0 | 427 | 0 | 1400 | Yes | 1974-01-01 |
No Photo Available |
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Echinocereus engelmannii var. howei | Howe's hedgehog cactus | Cactaceae | perennial stem | Apr-May | None | None | G5T1 | S1 | 1B.1 | BLM_S | Other, Over-collecting/poaching | Mojavean desert scrub | 430 | 775 | 1410 | 2545 | Yes | 1980-01-01 |
No Photo Available |
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Epilobium septentrionale | Humboldt County fuchsia | Onagraceae | perennial herb | Jul-Sep | None | None | G4 | S4 | 4.3 | Broadleafed upland forest, North Coast coniferous forest | Rocky (sometimes), Sandy (sometimes) | 45 | 1800 | 150 | 5905 | Yes | 1974-01-01 |
Image by BLM,Arcata Field Office |
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Erigeron aequifolius | Hall's daisy | Asteraceae | perennial rhizomatous herb | Jun-Aug | None | None | G3 | S3 | 1B.3 | BLM_S; SB_CalBG/RSABG; USFS_S | Road/trail construction/maint. | Broadleafed upland forest, Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest | Granitic, Rocky | 1500 | 2440 | 4920 | 8005 | Yes | 1974-01-01 |
No Photo Available |
Tetracoccus hallii | Hall's tetracoccus | Picrodendraceae | perennial deciduous shrub | Jan-May | None | None | G4 | S4 | 4.3 | SB_CalBG/RSABG | Mojavean desert scrub, Sonoran desert scrub | 30 | 1200 | 100 | 3935 | 2001-01-01 |
No Photo Available |
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Thelypodium howellii ssp. howellii | Howell's thelypodium | Brassicaceae | perennial herb | May-Jul | None | None | G1T1 | S1 | 1B.2 | BLM_S; SB_UCSC; USFS_S | Grazing, Other | Great Basin scrub, Meadows and seeps (alkaline) | 1200 | 1830 | 3935 | 6005 | 2001-01-01 |
©1990 Dean Wm. Taylor |
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Lewisia cotyledon var. heckneri | Heckner's lewisia | Montiaceae | perennial herb | (Apr)May-Jul | None | None | G4T3 | S3 | 1B.2 | BLM_S; SB_UCSC | Foot traffic/trampling, Logging, Mining, Other, Recreational use (non-ORV), Road/trail construction/maint. | Lower montane coniferous forest (rocky) | 225 | 2100 | 740 | 6890 | Yes | 1980-01-01 |
©2010 Neal Kramer |
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Lewisia cotyledon var. howellii | Howell's lewisia | Montiaceae | perennial herb | Apr-Jul | None | None | G4T4Q | S3 | 3.2 | Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest | Rocky | 150 | 2010 | 490 | 6595 | 1980-01-01 |
© 2021 Scot Loring |
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Laphamia villosa | Hanaupah rock daisy | Asteraceae | perennial herb | Jun | None | None | G2 | S2 | 1B.3 | Great Basin scrub, Pinyon and juniper woodland | Carbonate, Rocky | 1700 | 2600 | 5580 | 8530 | Yes | 1974-01-01 |
No Photo Available |
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Sanicula hoffmannii | Hoffmann's sanicle | Apiaceae | perennial herb | Mar-May | None | None | G3 | S3 | 4.3 | SB_SBBG; SB_UCSC | Broadleafed upland forest, Chaparral, Cismontane woodland, Coastal bluff scrub, Coastal scrub, Lower montane coniferous forest | Clay (often), Serpentine (often) | 30 | 300 | 100 | 985 | Yes | 1974-01-01 |
No Photo Available |
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Phlox dispersa | High Sierra phlox | Polemoniaceae | perennial stoloniferous herb | Jul-Aug | None | None | G3 | S3 | 4.3 | Alpine boulder and rock field (granitic) | 3600 | 4200 | 11810 | 13780 | Yes | 1974-01-01 |
No Photo Available |
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Eriogonum hoffmannii var. hoffmannii | Hoffmann's buckwheat | Polygonaceae | annual herb | Jun-Sep | None | None | G3T2 | S2 | 1B.3 | BLM_S; SB_CalBG/RSABG | Non-native plant impacts, Road/trail construction/maint. | Mojavean desert scrub, Pinyon and juniper woodland | Rocky | 650 | 1700 | 2135 | 5580 | Yes | 1974-01-01 |
No Photo Available |
Erioneuron pilosum | hairy erioneuron | Poaceae | perennial herb | (Apr)May-Jun | None | None | G5 | S2 | 2B.3 | SB_CalBG/RSABG | Development, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity | Pinyon and juniper woodland (sometimes carbonate, rocky) | 1420 | 2010 | 4660 | 6595 | 1974-01-01 |
No Photo Available |
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Eryngium aristulatum var. hooveri | Hoover's button-celery | Apiaceae | annual/perennial herb | (Jun)Jul(Aug) | None | None | G5T1 | S1 | 1B.1 | SB_CalBG/RSABG | Biocides, Development, Foot traffic/trampling, Grazing, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing | Vernal pools | 3 | 45 | 10 | 150 | Yes | 1984-01-01 |
No Photo Available |
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Erythronium hendersonii | Henderson's fawn lily | Liliaceae | perennial bulbiferous herb | Apr-Jul | None | None | G4 | S2 | 2B.3 | USFS_S | Erosion/runoff, Road/trail construction/maint. | Lower montane coniferous forest | 300 | 1600 | 985 | 5250 | 1974-01-01 |
© 2021 Scot Loring |
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Erythronium howellii | Howell's fawn lily | Liliaceae | perennial bulbiferous herb | Apr-May | None | None | G3G4 | S2 | 1B.3 | Logging, Mining, Road/trail construction/maint. | Lower montane coniferous forest, North Coast coniferous forest | Serpentine (sometimes) | 200 | 1145 | 655 | 3755 | 1974-01-01 |
© 2021 Scot Loring |
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Fimbristylis thermalis | hot springs fimbristylis | Cyperaceae | perennial rhizomatous herb | Jul-Sep | None | None | G4 | S1S2 | 2B.2 | SB_CalBG/RSABG | Altered flood/tidal/hydrologic regime, Development, Grazing, Groundwater pumping, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. | Meadows and seeps (alkaline, near hot springs) | 110 | 1340 | 360 | 4395 | 1980-01-01 |
No Photo Available |
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Galium hardhamiae | Hardham's bedstraw | Rubiaceae | perennial herb | Apr-Oct | None | None | G3 | S3 | 1B.3 | BLM_S; USFS_S | Military operations, ORV activity, Road/trail construction/maint. | Chaparral, Closed-cone coniferous forest | Serpentine | 395 | 975 | 1295 | 3200 | Yes | 1984-01-01 |
© 1984 California Native Plant Society |
Gilia tenuiflora ssp. hoffmannii | Hoffmann's slender-flowered gilia | Polemoniaceae | annual herb | Apr-May | FE | None | G3G4T1 | S1 | 1B.1 | SB_CalBG/RSABG; SB_SBBG | Erosion/runoff, Non-native plant impacts | Coastal dunes, Coastal scrub | Loam, Openings, Sandy | 10 | 30 | 35 | 100 | Yes | 1974-01-01 |
© 2000 John Game |
Horkelia hendersonii | Henderson's horkelia | Rosaceae | perennial herb | Jun-Aug | None | None | G1 | S1 | 1B.1 | SB_BerrySB; SB_CalBG/RSABG; USFS_S | Road/trail construction/maint. | Upper montane coniferous forest (granitic) | 2000 | 2300 | 6560 | 7545 | 1988-01-01 |
© 2021 Scot Loring |
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Juncus supiniformis | hair-leaved rush | Juncaceae | perennial rhizomatous herb | Apr-May(Jun-Jul) | None | None | G5 | S1 | 2B.2 | IUCN_LC | Development, ORV activity, Other, Recreational use (non-ORV) | Bogs and fens, Marshes and swamps (freshwater) | 20 | 100 | 65 | 330 | 1974-01-01 |
© 2013 Asa Spade |
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Lepechinia cardiophylla | heart-leaved pitcher sage | Lamiaceae | perennial shrub | Apr-Jul | None | None | G3 | S2S3 | 1B.2 | SB_CalBG/RSABG; SB_CRES; USFS_S | Biocides, Development, Logging, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing | Chaparral, Cismontane woodland, Closed-cone coniferous forest | 520 | 1370 | 1705 | 4495 | 1974-01-01 |
© 2003 Vince Scheidt |
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Listera cordata | heart-leaved twayblade | Orchidaceae | perennial herb | Feb-Jul | None | None | G5 | S4 | 4.2 | Bogs and fens, Lower montane coniferous forest, North Coast coniferous forest | 5 | 1370 | 15 | 4495 | 1974-01-01 |
©2013 Dr. Amadej Trnkoczy 0000 0000 0513 2468 |
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Lupinus lepidus var. culbertsonii | Hockett Meadows lupine | Fabaceae | perennial herb | Jul-Aug | None | None | G5T3 | S3 | 1B.3 | USFS_S | Meadows and seeps, Upper montane coniferous forest (mesic, rocky) | 2440 | 3000 | 8005 | 9845 | Yes | 1974-01-01 |
No Photo Available |
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Lupinus polyphyllus var. humicola | Holmgren's lupine | Fabaceae | perennial herb | May-Jun | None | None | G5T4 | S2 | 2B.3 | Pinyon and juniper woodland (volcanic) | 1500 | 2500 | 4920 | 8205 | 1974-01-01 |
No Photo Available |
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Lupinus lapidicola | Heller's Mount Eddy lupine | Fabaceae | perennial herb | Jul | None | None | G4 | S4 | 4.3 | Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest | Granitic, Gravelly, Serpentine | 1500 | 3000 | 4920 | 9845 | Yes | 1974-01-01 |
©2016 Dana York |
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Harmonia hallii | Hall's harmonia | Asteraceae | annual herb | (Mar)Apr-Jun | None | None | G2? | S2? | 1B.2 | BLM_S; SB_CalBG/RSABG | Development, Grazing, ORV activity, Road/trail construction/maint. | Chaparral (serpentinite) | 305 | 975 | 1000 | 3200 | Yes | 1984-01-01 |
© 2015 John Doyen |
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Malacothamnus hallii | Hall's bush-mallow | Malvaceae | perennial deciduous shrub | (Apr)May-Sep(Oct) | None | None | G2 | S2 | 1B.2 | BLM_S; SB_CalBG/RSABG | Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. | Chaparral, Coastal scrub | 10 | 760 | 35 | 2495 | Yes | 1974-01-01 |
© 2017 Keir Morse |
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Malacothamnus helleri | Heller's bush-mallow | Malvaceae | perennial deciduous shrub | May-Jul | None | None | G2Q | S2 | 3.3 | Chaparral (sandstone), Riparian woodland (gravel) | 305 | 635 | 1000 | 2085 | Yes | 1974-01-01 |
© 2017 Keir Morse |
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Mentzelia hirsutissima | hairy stickleaf | Loasaceae | annual herb | Mar-May | None | None | G4? | S3 | 2B.3 | SB_CalBG/RSABG; SB_USDA | Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Vandalism/dumping/litter | Sonoran desert scrub (rocky) | 0 | 700 | 0 | 2295 | 1974-01-01 |
No Photo Available |
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Sabulina howellii | Howell's sandwort | Caryophyllaceae | perennial herb | Apr-Jul | None | None | G4 | S3 | 1B.3 | Foot traffic/trampling, Mining, Other | Chaparral, Lower montane coniferous forest | Serpentine | 550 | 1000 | 1805 | 3280 | 1980-01-01 |
©2015 John Doyen |
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Monardella macrantha ssp. hallii | Hall's monardella | Lamiaceae | perennial rhizomatous herb | Jun-Oct | None | None | G5T3 | S3 | 1B.3 | SB_CalBG/RSABG; USFS_S | Improper burning regime, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing | Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland | 730 | 2195 | 2395 | 7200 | Yes | 1974-01-01 |
No Photo Available |
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Navarretia eriocephala | hoary navarretia | Polemoniaceae | annual herb | May-Jun | None | None | G4? | S4? | 4.3 | Cismontane woodland, Valley and foothill grassland | Vernally Mesic | 105 | 400 | 345 | 1310 | Yes | 1974-01-01 |
© 2018 Leigh Johnson |
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Orcuttia pilosa | hairy Orcutt grass | Poaceae | annual herb | May-Sep | FE | CE | G1 | S1 | 1B.1 | SB_CalBG/RSABG | Agriculture, Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. | Vernal pools | 46 | 200 | 150 | 655 | Yes | 1980-01-01 |
© 2003 George W. Hartwell |
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Aphyllon validum ssp. howellii | Howell's broomrape | Orobanchaceae | perennial herb (parasitic) | Jun-Sep | None | None | G4T3 | S3 | 4.3 | Chaparral (serpentinite, volcanic) | 180 | 1740 | 590 | 5710 | Yes | 1984-01-01 |
No Photo Available |
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Castilleja ambigua var. humboldtiensis | Humboldt Bay owl's-clover | Orobanchaceae | annual herb (hemiparasitic) | Apr-Aug | None | None | G4T2 | S2 | 1B.2 | BLM_S; SB_UCBG | Agriculture, Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Waterway bank protection/maintenance | Marshes and swamps (coastal salt) | 0 | 3 | 0 | 10 | Yes | 1974-01-01 |
©2017 Steve Matson |
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Pedicularis howellii | Howell's lousewort | Orobanchaceae | perennial herb | Jun-Aug | None | None | G4 | S3 | 4.3 | USFS_S | Upper montane coniferous forest (often serpentinite) | 1500 | 1900 | 4920 | 6235 | 1974-01-01 |
©2015 John Doyen |
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Potentilla hickmanii | Hickman's cinquefoil | Rosaceae | perennial herb | Apr-Aug | FE | CE | G1 | S1 | 1B.1 | SB_UCBG | Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV) | Closed-cone coniferous forest, Coastal bluff scrub, Marshes and swamps (freshwater), Meadows and seeps (vernally mesic) | 10 | 149 | 35 | 490 | Yes | 1974-01-01 |
No Photo Available |
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Pseudobahia bahiifolia | Hartweg's golden sunburst | Asteraceae | annual herb | Mar-Apr | FE | CE | G1 | S1 | 1B.1 | SB_CalBG/RSABG | Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter | Cismontane woodland, Valley and foothill grassland | Acidic (often), Clay | 15 | 150 | 50 | 490 | Yes | 1974-01-01 |
No Photo Available |
Plagiobothrys uncinatus | hooked popcornflower | Boraginaceae | annual herb | Apr-May | None | None | G2 | S2 | 1B.2 | USFS_S | Feral pigs, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. | Chaparral (sandy), Cismontane woodland, Valley and foothill grassland | 300 | 760 | 985 | 2495 | Yes | 1974-01-01 |
No Photo Available |
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Boechera hirshbergiae | Hirshberg's rockcress | Brassicaceae | perennial herb | Mar-May | None | None | G1Q | S1 | 1B.2 | SB_CRES | Grazing | Pebble (Pavement) plain | 1400 | 1415 | 4595 | 4645 | Yes | 2001-01-01 |
No Photo Available |
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Lewisia kelloggii ssp. hutchisonii | Hutchison's lewisia | Montiaceae | perennial herb | (Apr)May-Aug | None | None | G3G4T3Q | S3 | 3.2 | USFS_S | Upper montane coniferous forest | Openings | 765 | 2365 | 2510 | 7760 | Yes | 2001-01-01 |
Dean Wm. Taylor 2006 |
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Lilium humboldtii ssp. humboldtii | Humboldt lily | Liliaceae | perennial bulbiferous herb | May-Jul(Aug) | None | None | G4T3 | S3 | 4.2 | SB_UCSC | Chaparral, Cismontane woodland, Lower montane coniferous forest | Openings | 90 | 1280 | 295 | 4200 | Yes | 1994-01-01 |
© 2008 Sierra Pacific Industries |
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Triteleia hendersonii | Henderson's triteleia | Themidaceae | perennial bulbiferous herb | May-Jul | None | None | G4 | S1 | 2B.2 | Cismontane woodland | 760 | 1200 | 2495 | 3935 | 1994-01-01 |
©2016 Keir Morse |
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Ribes roezlii var. amictum | hoary gooseberry | Grossulariaceae | perennial deciduous shrub | Mar-Apr | None | None | G5T4 | S4 | 4.3 | Broadleafed upland forest, Cismontane woodland, Lower montane coniferous forest, Upper montane coniferous forest | 120 | 2300 | 395 | 7545 | Yes | 2001-01-01 |
©1973 Dean Wm. Taylor |
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Pinguicula macroceras | horned butterwort | Lentibulariaceae | perennial herb (carnivorous) | Apr-Jun | None | None | G4 | S2 | 2B.2 | IUCN_LC; SB_CalBG/RSABG; SB_UCSC | Erosion/runoff, Foot traffic/trampling, Mining, Recreational use (non-ORV), Road/trail construction/maint. | Bogs and fens (serpentinite) | 40 | 1920 | 130 | 6300 | 1974-01-01 |
©2009 Barry Rice |
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Plagiobothrys glaber | hairless popcornflower | Boraginaceae | annual herb | Mar-May | None | None | GX | SX | 1A | Agriculture, Development | Marshes and swamps (coastal salt), Meadows and seeps (alkaline) | 15 | 180 | 50 | 590 | Yes | 1974-01-01 |
No Photo Available |
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Ribes amarum var. hoffmannii | Hoffmann's bitter gooseberry | Grossulariaceae | perennial deciduous shrub | Mar-Apr | None | None | G4?T3 | S3 | 3 | Chaparral, Riparian woodland | 5 | 1190 | 15 | 3905 | Yes | 1984-01-01 |
No Photo Available |
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Micranthes howellii | Howell's saxifrage | Saxifragaceae | perennial rhizomatous herb | Mar-May | None | None | G4 | S3 | 4.3 | Cismontane woodland (sometimes serpentinite) | 75 | 900 | 245 | 2955 | 1974-01-01 |
© 2007 Jenn Tiehm |
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Scutellaria holmgreniorum | Holmgren's skullcap | Lamiaceae | perennial rhizomatous herb | May-Jul | None | None | G3Q | S3 | 3.3 | Grazing | Great Basin scrub, Pinyon and juniper woodland | Clay, Volcanic | 1310 | 1735 | 4300 | 5695 | 1984-01-01 |
No Photo Available |
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Sedum laxum ssp. heckneri | Heckner's stonecrop | Crassulaceae | perennial herb | Jun-Jul | None | None | G5?T4 | S4 | 4.3 | Lower montane coniferous forest, Upper montane coniferous forest | Gabbroic (sometimes), Serpentine (sometimes) | 100 | 2100 | 330 | 6890 | 1980-01-01 |
© 2010 Susan Erwin |
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Sidalcea hickmanii ssp. hickmanii | Hickman's checkerbloom | Malvaceae | perennial herb | May-Jul | None | None | G3T2 | S2 | 1B.3 | SB_SBBG; USFS_S | Feral pigs, Foot traffic/trampling, Grazing, Military operations, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing | Chaparral (openings), Cismontane woodland, Coastal bluff scrub | 335 | 1220 | 1100 | 4005 | Yes | 1974-01-01 |
No Photo Available |
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Streptanthus glandulosus ssp. hoffmanii | Hoffman's bristly jewelflower | Brassicaceae | annual herb | Mar-Jul | None | None | G4T2 | S2 | 1B.3 | SB_UCSC | Erosion/runoff, Logging, Road/trail construction/maint. | Chaparral, Cismontane woodland, Valley and foothill grassland (often serpentinite) | Rocky | 120 | 475 | 395 | 1560 | Yes | 1980-01-01 |
No Photo Available |
Streptanthus howellii | Howell's jewelflower | Brassicaceae | perennial herb | Jul-Aug | None | None | G2G3 | S2 | 1B.2 | USFS_S | Improper burning regime, Mining, Other, Road/trail construction/maint., Wood cutting or brush clearing | Lower montane coniferous forest (rocky, serpentinite) | 305 | 1500 | 1000 | 4920 | 1980-01-01 |
©Rick York and CNPS |
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Tauschia howellii | Howell's tauschia | Apiaceae | perennial herb | Jun-Aug | None | None | G2G3 | S2S3 | 1B.3 | SB_SBBG; USFS_S | Foot traffic/trampling, Logging, ORV activity, Other, Recreational use (non-ORV) | Subalpine coniferous forest, Upper montane coniferous forest | Granitic, Gravelly | 1705 | 2500 | 5595 | 8205 | 1974-01-01 |
©2011 Dean Wm. Taylor |
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Tetracoccus ilicifolius | holly-leaved tetracoccus | Picrodendraceae | perennial deciduous shrub | May-Jun | None | None | G2 | S2 | 1B.3 | SB_CalBG/RSABG | Mojavean desert scrub (carbonate, rocky) | 600 | 1830 | 1970 | 6005 | Yes | 1974-01-01 |
No Photo Available |
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Trichostema austromontanum ssp. compactum | Hidden Lake bluecurls | Lamiaceae | annual herb | Jul-Sep | FD | None | G3G4T1 | S1 | 1B.1 | SB_CalBG/RSABG | Foot traffic/trampling, Other, Recreational use (non-ORV) | Upper montane coniferous forest (seasonally submerged lake margins) | 2400 | 2680 | 7875 | 8795 | Yes | 1974-01-01 |
© 2013 Keir Morse |
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Trichostema rubisepalum | Hernandez bluecurls | Lamiaceae | annual herb | Jun-Aug | None | None | G4 | S4 | 4.3 | SB_CalBG/RSABG | Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest, Vernal pools | Gravelly, Serpentine (sometimes), Volcanic (sometimes) | 300 | 1435 | 985 | 4710 | Yes | 1974-01-01 |
No Photo Available |
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Trifolium howellii | Howell's clover | Fabaceae | perennial herb | Jun-Aug | None | None | G4 | S4 | 4.3 | Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest | Mesic | 800 | 1800 | 2625 | 5905 | 1974-01-01 |
© 2021 Scot Loring |
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Wyethia elata | Hall's wyethia | Asteraceae | perennial herb | May-Aug | None | None | G4 | S4 | 4.3 | Cismontane woodland, Lower montane coniferous forest | 1000 | 1400 | 3280 | 4595 | Yes | 1974-01-01 |
No Photo Available |
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Wyethia longicaulis | Humboldt County wyethia | Asteraceae | perennial herb | May-Jul | None | None | G4 | S4 | 4.3 | Broadleafed upland forest, Coastal prairie, Lower montane coniferous forest | Roadsides (sometimes) | 750 | 1525 | 2460 | 5005 | Yes | 1980-01-01 |
©2004 Dean Wm. Taylor |
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Acanthomintha obovata ssp. cordata | heart-leaved thorn-mint | Lamiaceae | annual herb | Apr-Jul | None | None | G4T3 | S3 | 4.2 | SB_CalBG/RSABG; SB_SBBG | Chaparral (openings), Cismontane woodland, Pinyon and juniper woodland, Valley and foothill grassland | Clay | 785 | 1540 | 2575 | 5055 | Yes | 1994-01-01 |
© 2017 Aaron Schusteff |
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Arnica fulgens | hillside arnica | Asteraceae | perennial rhizomatous herb | May-Jul(Aug) | None | None | G5 | S3 | 2B.2 | Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing | Great Basin scrub, Lower montane coniferous forest, Meadows and seeps | Mesic | 1495 | 2700 | 4905 | 8860 | 1994-01-01 |
No Photo Available |
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Chorizanthe biloba var. immemora | Hernandez spineflower | Polygonaceae | annual herb | May-Aug(Sep) | None | None | G3T1T2 | S1S2 | 1B.2 | BLM_S | Chaparral, Cismontane woodland | Clay (sometimes), Gravelly (often), Serpentine (usually) | 425 | 1115 | 1395 | 3660 | Yes | 1994-01-01 |
No Photo Available |
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Erigeron inornatus var. calidipetris | hot rock daisy | Asteraceae | perennial herb | Jun-Sep | None | None | G5T3 | S3 | 4.3 | Lower montane coniferous forest (sandy, volcanic) | 1100 | 1935 | 3610 | 6350 | Yes | 1994-01-01 |
©2006 Dean Wm. Taylor |
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Fritillaria biflora var. ineziana | Hillsborough chocolate lily | Liliaceae | perennial bulbiferous herb | Mar-Apr | None | None | G3G4T1 | S1 | 1B.1 | SB_CalBG/RSABG; SB_UCBG; SB_USDA | Other | Cismontane woodland, Valley and foothill grassland | Serpentine | 150 | 150 | 490 | 490 | Yes | 1994-01-01 |
© 2012 Toni Corelli |
Lepidium latipes var. heckardii | Heckard's pepper-grass | Brassicaceae | annual herb | Mar-May | None | None | G4T1 | S1 | 1B.2 | Development, Disking, Foot traffic/trampling, Grazing | Valley and foothill grassland (alkaline flats) | 2 | 200 | 5 | 655 | Yes | 1994-01-01 |
2018 Jennifer Buck |
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Lomatium hendersonii | Henderson's lomatium | Apiaceae | perennial herb | Mar-Jun | None | None | G5? | S2 | 2B.3 | Other, Road/trail construction/maint. | Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland | Clay, Rocky | 1400 | 2440 | 4595 | 8005 | 1994-01-01 |
©2007 Norman Jensen |
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Montia howellii | Howell's montia | Montiaceae | annual herb | (Feb)Mar-May | None | None | G3G4 | S2 | 2B.2 | Altered flood/tidal/hydrologic regime, Biocides, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing | Meadows and seeps, North Coast coniferous forest, Vernal pools | Roadsides (sometimes), Vernally Mesic | 0 | 835 | 0 | 2740 | 1994-01-01 |
© 2004 Dean Wm. Taylor |
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Puccinellia howellii | Howell's alkali grass | Poaceae | perennial herb | Apr-Jun | None | None | G1 | S1 | 1B.1 | SB_BerrySB | Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter | Meadows and seeps (mineralized) | 490 | 490 | 1610 | 1610 | Yes | 1994-01-01 |
©1991 Dean Wm. Taylor |
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Rupertia hallii | Hall's rupertia | Fabaceae | perennial herb | Jun-Aug(Sep) | None | None | G2G3 | S2S3 | 1B.2 | BLM_S; USFS_S | Improper burning regime, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter | Cismontane woodland, Lower montane coniferous forest | Openings (sometimes), Roadsides (often) | 545 | 2250 | 1790 | 7380 | Yes | 1994-01-01 |
No Photo Available |
Atriplex argentea var. hillmanii | Hillman's silverscale | Chenopodiaceae | annual herb | Jun-Sep | None | None | G5T4 | S2 | 2B.2 | Great Basin scrub, Meadows and seeps | Alkaline | 1200 | 1700 | 3935 | 5580 | 2001-01-01 |
No Photo Available |
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Cleomella hillmanii var. hillmanii | Hillman's cleomella | Cleomaceae | annual herb | Apr-Jun | None | None | G4G5T4T5 | S2 | 2B.2 | Other | Chenopod scrub, Great Basin scrub | Clay | 1220 | 1220 | 4005 | 4005 | 2001-01-01 |
No Photo Available |
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Eriogonum collinum | hill buckwheat | Polygonaceae | annual herb | Jun-Sep | None | None | G4 | S3 | 4.3 | Great Basin scrub, Pinyon and juniper woodland | Clay | 1300 | 1800 | 4265 | 5905 | 2001-01-01 |
No Photo Available |
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Hesperevax caulescens | hogwallow starfish | Asteraceae | annual herb | Mar-Jun | None | None | G3 | S3 | 4.2 | Valley and foothill grassland (mesic clay), Vernal pools (shallow) | Alkaline (sometimes) | 0 | 505 | 0 | 1655 | Yes | 2001-01-01 |
© 2017 John Doyen |
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Plagiobothrys chorisianus var. hickmanii | Hickman's popcornflower | Boraginaceae | annual herb | Apr-Jun | None | None | G3T3Q | S3 | 4.2 | SB_SBBG; SB_UCSC | Chaparral, Closed-cone coniferous forest, Coastal scrub, Marshes and swamps, Vernal pools | 15 | 390 | 50 | 1280 | Yes | 2001-01-01 |
No Photo Available |
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Sibaropsis hammittii | Hammitt's clay-cress | Brassicaceae | annual herb | Mar-Apr | None | None | G2 | S2 | 1B.2 | SB_CalBG/RSABG; USFS_S | Foot traffic/trampling | Chaparral (openings), Valley and foothill grassland | Clay | 720 | 1065 | 2360 | 3495 | Yes | 2001-01-01 |
No Photo Available |
Stachys pilosa | hairy marsh hedge-nettle | Lamiaceae | perennial rhizomatous herb | Jun-Aug | None | None | G5 | S3 | 2B.3 | Non-native plant impacts, Other, Road/trail construction/maint. | Great Basin scrub (mesic), Meadows and seeps | 1200 | 1770 | 3935 | 5805 | 2001-01-01 |
Keir Morse |
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Eriastrum hooveri | Hoover's eriastrum | Polemoniaceae | annual herb | Mar-Jul | FD | None | G3 | S3 | 4.2 | SB_CalBG/RSABG | Agriculture, Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, ORV activity, Pollution, Vandalism/dumping/litter | Chenopod scrub, Pinyon and juniper woodland, Valley and foothill grassland | Gravelly (sometimes) | 50 | 915 | 165 | 3000 | Yes | 1974-01-01 |
© 2011 Chris Winchell |
Hosackia gracilis | harlequin lotus | Fabaceae | perennial rhizomatous herb | Mar-Jul | None | None | G3G4 | S3 | 4.2 | SB_CalBG/RSABG; SB_UCSC | Broadleafed upland forest, Cismontane woodland, Closed-cone coniferous forest, Coastal bluff scrub, Coastal prairie, Coastal scrub, Marshes and swamps, Meadows and seeps, North Coast coniferous forest, Valley and foothill grassland | Roadsides | 0 | 700 | 0 | 2295 | 2004-01-01 |
© 2015 John Doyen |
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Astragalus hornii var. hornii | Horn's milk-vetch | Fabaceae | annual herb | May-Oct | None | None | GUT1 | S1 | 1B.1 | BLM_S | Agriculture, Development, Other | Meadows and seeps, Playas | Alkaline, Lake Margins | 60 | 850 | 195 | 2790 | 2006-12-01 |
No Photo Available |
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Hymenopappus filifolius var. eriopodus | hairy-podded fine-leaf hymenopappus | Asteraceae | perennial herb | May-Jul | None | None | G5T3 | S2S3 | 2B.3 | SB_CalBG/RSABG | Pinyon and juniper woodland | Carbonate | 1600 | 1700 | 5250 | 5580 | 2006-12-22 |
© 2020 Matt C. Berger |
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Phacelia hubbyi | Hubby's phacelia | Hydrophyllaceae | annual herb | Apr-Jul | None | None | G4 | S4 | 4.2 | SB_SBBG | Chaparral, Coastal scrub, Valley and foothill grassland | Gravelly, Rocky, Talus | 0 | 1000 | 0 | 3280 | Yes | 2007-02-02 |
No Photo Available |
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Eriastrum harwoodii | Harwood's eriastrum | Polemoniaceae | annual herb | Mar-Jun | None | None | G2 | S2 | 1B.2 | BLM_S; SB_CalBG/RSABG; SB_USDA | Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Vandalism/dumping/litter | Desert dunes | 125 | 915 | 410 | 3000 | Yes | 2008-07-22 |
No Photo Available |
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Viola howellii | Howell's violet | Violaceae | perennial herb | May-Jun | None | None | G4 | S1 | 2B.2 | Foot traffic/trampling, Logging, Other | North Coast coniferous forest | 655 | 655 | 2150 | 2150 | 2010-03-01 |
© 2021 Scot Loring |
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Berberis higginsiae | Higgin's barberry | Berberidaceae | perennial shrub | Mar-Apr | None | None | G3Q | S1 | 3.2 | Development, Other | Chaparral, Sonoran desert scrub | Granitic (sometimes), Rocky | 800 | 1065 | 2625 | 3495 | 2014-04-30 |
No Photo Available |
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Boechera evadens | hidden rockcress | Brassicaceae | perennial herb | May-Aug | None | None | G1 | S1 | 1B.3 | USFS_S | Upper montane coniferous forest | Rocky | 2560 | 2850 | 8400 | 9350 | Yes | 2012-04-11 |
No Photo Available |
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Coscinodon arctolimnius ssp. higuchii | Higuchi's sieve-tooth moss | Grimmiaceae | moss | None | None | GUTU | S1S3 | 4.2 | Alpine boulder and rock field | Dry (usually), Rocky | 2935 | 2935 | 9630 | 9630 | 2014-05-13 |
No Photo Available |
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Nardia hiroshii | Hiroshi's flapwort | Jungermanniaceae | liverwort | None | None | G4G5 | S1 | 2B.3 | Meadows and seeps | Granitic | 2195 | 2195 | 7200 | 7200 | 2014-06-02 |
No Photo Available |
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Lewinskya holzingeri | Holzinger's bristle moss | Orthotrichaceae | moss | None | None | G3G4 | S2 | 1B.3 | Cismontane woodland, Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest | 715 | 1800 | 2345 | 5905 | 2014-06-03 |
© 2021 Scot Loring |
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Spermolepis infernensis | Hellhole scaleseed | Apiaceae | annual herb | Mar-Apr | None | None | G1 | S1 | 1B.2 | SB_CalBG/RSABG | Sonoran desert scrub | Rocky (sometimes), Sandy (sometimes) | 230 | 670 | 755 | 2200 | Yes | 2016-01-21 |
No Photo Available |
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Allium howellii var. howellii | Howell's onion | Alliaceae | perennial bulbiferous herb | Mar-Apr | None | None | G3G4T3 | S3 | 4.3 | Valley and foothill grassland | Clay (sometimes), Serpentine (sometimes) | 50 | 2200 | 165 | 7220 | Yes | 2017-04-04 |
© 2013 Neal Kramer |
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Horkelia howellii | Howell’s horkelia | Rosaceae | perennial herb | Jun-Aug | None | None | G4 | S3 | 4.3 | Chaparral, Lower montane coniferous forest | Clay, Serpentine | 60 | 1200 | 195 | 3935 | 2021-04-23 |
© 2016 Keir Morse |
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Silene hookeri | Hooker's catchfly | Caryophyllaceae | perennial herb | (Mar)May-Jul | None | None | G4 | S2 | 2B.2 | Other, Wood cutting or brush clearing | Chaparral, Cismontane woodland, Lower montane coniferous forest | Openings (often), Rocky (sometimes), Serpentine (sometimes), Slopes (sometimes) | 150 | 1260 | 490 | 4135 | 2021-07-30 |
©2014 John Doyen |
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Castilleja ambigua var. heckardii | Heckard's owl's-clover | Orobanchaceae | annual herb | May-Jul | None | None | G5T1 | S1 | 1B.1 | Coastal prairie | Openings, Sandy, Vernally Mesic | 50 | 180 | 165 | 590 | 2022-04-07 |
© 2006 Dave Hacker |