SPIF

Eriogonum ursinum S. Watson

Lassen, Poison Lake 7.5' USGS quad. Growing on steep rocky slope. Associated species: Cycladenia humilis var. humilis, Pinus jeffreyi, Lomatium, Tetradymia canescens. Possibly var. erubescens based on extra large achenes, overall size and blushing inflorescence., 1802m

SPIF

Eriogonum latifolium Sm.

Humboldt, Maple Creek 7.5' USGS quad. Growing on exposed rocky area in a prairie. Seems out of range but morphology looks like Eriogonum latifolium., 934m

SPIF

Eriogonum vimineum Douglas ex Benth.

Trinity, Hoosimbim Mountain 7.5' USGS quad. Growing in rocky scree on road cut near top of ridge., 1200m

SPIF

Eriogonum umbellatum var. modocense (Greene) S. Stokes

Lassen, Swains Hole 7.5' USGS quad. Open spot in scrub. Open yellow pine forest., 1640m

SPIF

Eriogonum ursinum  S. Watson  var. ursinum 

Butte, Butte Meadows 7.5' USGS quad. Rocky, exposed lava cap., 1292m

SPIF

Aconogonon phytolaccifolium (Meisn. ex Small) Small

Tehama, Mineral 7.5' USGS quad. Growing in rocky creek bed. Coordinates estimated., 1601m

SPIF

Polygonum californicum Meisn.

Plumas, Chester 7.5' USGS quad. Lake Almanor. Growing in gravel/ dirt road. Coordinates estimated., 1379m

SPIF

Persicaria amphibia (L.) Delarbre

Plumas, Chester 7.5' USGS quad. Lake Almanor. In water and on muddy shore., 1379m

SPIF

Rumex californicus Rech. f.

Shasta, Hatchet Mountain Pass 7.5' USGS quad. Growing on the bank of a dry seasonal creek in a meadow., 1341m

SPIF

Eriogonum ursinum  S. Watson  var. ursinum 

Tehama, Barkeley Mountain 7.5' USGS quad. Open, Rocky ridgetop., 1528m

SPIF

Eriogonum Michx.

Shasta, Hanland Peak 7.5' USGS quad. Open rocky ridgetop. Luina hypoleuca, Brickellia greenei, Polygala cornuta, Chrysolepis sempervirens, Eriogonum ursinum var. erubescens, Sedum spathulifolium, Lewisia cantelovii., 1085m

SPIF

Eriogonum siskiyouense Small

Siskiyou, Indian Creek Baldy 7.5' USGS quad. Top of Indian Creek Baldy growing in full sun on rocky ground. Associated species: Eriogonum umbellatum, Cercocarpus ledifolius var. ledifolius, Isatis tinctoria, Bromus tectorum, Calocedrus decurrens, Pinus lambertiana, Ericameria nauseosa var. speciosa, Sedum., 1882m

SPIF

Bistorta bistortoides (Pursh) Small

Modoc, Egg Lake 7.5' USGS quad. County Rd. 95 n from Lookout to intersection at center of Sec. 18, then s ca. 1.5 mi across RR tracks, then w at fork in road. Ca. 0.25 mi past crossing of w fork Taylor Creek. Along dry edge of meadow beneath mixed conifers., 1311m

SPIF

Bistorta bistortoides (Pursh) Small

Modoc, Egg Lake 7.5' USGS quad. Taylor Creek between Taylor Mtn and Jimmerson Mtn. S of Egg Lake. Along Taylor Creek growing in the meadow. (Old name Polygonum bistortoides)

SPIF

Chorizanthe membranacea Benth.

Calaveras, Garnet Hill 7.5' USGS quad.

SPIF

Eriogonum alpinum Engelm.

Siskiyou, Seven Lakes Basin 7.5' USGS quad. Bear Ridge, divide between headwaters South Fork Sacramento River and Fawn Creek. Habitat: snow accumulation sites on north-facing slope, in open conifer forest dominated by Abies concolor and P. contorta ssp. murrayana on serpentine substrate., 2073m

SPIF

Eriogonum alpinum Engelm.

Trinity, Whiskey Bill Peak 7.5' USGS quad. Northwestern slope of Red Mountain, approx. 0.20 mi. SE of Devils Lake. Perennial herb to 3 in. tall. Open, rocky serpentine slope on mountain peak within mixed conifer forest. Associated species include Sedum kiersteadiae, Aspidotsis densa, Minuartia nuttallii, Astragalus whitneyi var. siskiyouensis, and Castilleja sp., 122m

SPIF

Eriogonum congdonii (S. Stokes) Reveal

Trinity, Tangle Blue Lake 7.5' USGS quad. Hwy3, e/Co. Rd. 133, n/ 39N26, 38N80

SPIF

Eriogonum congdonii (S. Stokes) Reveal

Trinity, Tangle Blue Lake 7.5' USGS quad. Flowers bright yellow. East side of Eagle Creek, across road from Eagle Creek Campground. In rocky soil above the high-water mark of Eagle Creek., 914m

SPIF

Eriogonum congdonii (S. Stokes) Reveal

Shasta, Chicken Hawk Hill 7.5' USGS quad. ~1.05 air miles SSW (190.69degrees) from Rattlesnake Hill. Growing in an open dry meadow in a mixed conifer forest on the ultramafic rock outcrops. 0% canopy, 5% slope, S to SE aspects. About 135 plants, ~80% flowering. Lat/Lon collected by GPS, with a radius of 200 meters. An additional 260 plants were found at 41.03269, -122.46303; NAD27., 1756m

SPIF

Eriogonum congdonii (S. Stokes) Reveal

Shasta, Lamoine 7.5' USGS quad. From Sugarloaf Mountain, at Lewisia cantelovii site occ #59. Bright yellow flowers pubescent undersides of lvs.

SPIF

Eriogonum congdonii (S. Stokes) Reveal

Trinity, Mumbo Basin 7.5' USGS quad. ~1 air mile SE of Ramshorn Summit. Growing within a mixed conifer forest with Streptanthus barbatus on rocky ultramafic slope. With Calocedrus decurrens, Quercus vaccinifolia, and Pseudotsuga menziesii surrounding. 0% canopy, fairly flat, SE aspect.

SPIF

Eriogonum congdonii (S. Stokes) Reveal

Trinity, Seven Lakes Basin 7.5' USGS quad. N of Panther Rock. Growing in a red fir forest in an opening with Quercus vaccinifolia, Arctostaphylos nevadensis, Ceanothus prostratus, Kelloggia galioides, Senecio sp, Monardella sp, Dudleya sp, Phlox sp, Amelanchier utahensis, Streptanthus sp, Spiraea douglasii. Eastern aspect, ultramafic soil., 2014m

SPIF

Eriogonum douglasii var. meridionale Reveal

Lassen, Poison Lake 7.5' USGS quad. Exact location not known. Between Blacks Mt. and Forest Route 111, North of Poison Lake and HW 44., 1737m

SPIF

Eriogonum douglasii  Benth.  var. meridionale  Reveal

Lassen, Bullard Lake 7.5' USGS quad. NE of Big Jack Lake. Growing in sagebrush flat in rocky, clay soil., 1748m

SPIF

Eriogonum incanum Torr. & A. Gray

El Dorado, Kyburz 7.5' USGS quad. Found growing on an open, granitic ridgetop within a Sierran mixed conifer forest.

SPIF

Eriogonum lobbii Torr. & A. Gray

Nevada, Graniteville 7.5' USGS quad. Growing less than an air mile W to NW of Bowman Lake. Growing on an open ridge with scattered Pinus ponderosa, Calocedrus decurrens, Eriogonum ursinum, and Eriogonum wrightii. SE aspect., 1988m

SPIF

Eriogonum lobbii Torr. & A. Gray

Butte, Kimshew Point 7.5' USGS quad. Found growing in granitic to sandy open ridgeline in a mixed conifer forest., 1383m

SPIF

Eriogonum marifolium var. cupulatum (S. Stokes) Reveal

Siskiyou, Ash Creek Butte 7.5' USGS quad. Just S of Ash Creek. 0% canopy cover, 0 degree slope, growing in canopy opening in dry, dusty soil with volcanic rocks. Growing with Arctostaphylos nevadensis, Carex sp, and Abies magnifica seedlings., 2061m

SPIF

Eriogonum marifolium var. cupulatum (S. Stokes) Reveal

Shasta, Ash Creek Butte 7.5' USGS quad. Lots of this plant in openings, landings, skid trails with Abies magnifica, Monardella odoratta, Elymus elymoides.

SPIF

Eriogonum marifolium var. cupulatum (S. Stokes) Reveal

Siskiyou, Ash Creek Butte 7.5' USGS quad. N of Pilgrim Creek and S of Cold Creek. 0 degree slope, 10% canopy cover. Growing in powdery dirt, 20 feet from a dried creek. Growing with Penstemon sp, Carex multicaulis, Calyptridium umbellatum and Abies magnifica., 2070m

SPIF

Eriogonum marifolium var. cupulatum (S. Stokes) Reveal

Siskiyou, Horse Peak 7.5' USGS quad. 1.06 air miles N of Masonic Rock and 1.88 air miles SSE of Watakma Butte. Clustered within an open landing with grasses, Carex inops, and Amelanchier sp. on fluffy volcanic soils, and scattered through the surrounding open forest of Abies concolor, Pinus contorta, and Pinus jeffreyi.

SPIF

Eriogonum nudum var. pubiflorum Benth.

Tehama, Finley Butte 7.5' USGS quad. Judd Creek Study Site; ca. 1 air mi s Lyman Springs. (original described UTM point is typed incorrectly on label), 1097m

SPIF

Eriogonum prociduum Reveal

Modoc, Infernal Caverns 7.5' USGS quad. 11 air miles SSW of Alturas; jeep road ascending to plateau from County Road 62, ca. 1.5 mi S73degE of mapped location of Wade Williams Springs on quadrangle; openings in Juniperus occidentalis ssp. occidentalis woodland, stony andesite volcanic substrate, sparse shrub cover (Artemisia arbuscula). Lat/Lon from GPS., 1402m

SPIF

Eriogonum pyrolifolium  Hook.  var. pyrolifolium 

Siskiyou, Mt. Shasta 7.5' USGS quad. Found growing on rocky volcanic slope near drainage with Abies magnifica and Polygonum. 0% canopy. Soil rocky to sandy and very loose. 90% flowering, 10% vegetative., 2358m

SPIF

Eriogonum roseum Durand & Hilg.

Shasta, Grays Peak 7.5' USGS quad. Collection from the Ponderosa Fire. Growing in the swales between ridges. Dry habitat with little canopy cover. Coordinates not recorded.

SPIF

Eriogonum roseum Durand & Hilg.

Tuolumne, Stanislaus 7.5' USGS quad. Growing in a dry section of lava cap with no canopy along with Clarkia williamsonii. All individuals were flowering. No coordinates recorded.

SPIF

Eriogonum roseum Durand & Hilg.

Trinity, Trinity Center 7.5' USGS quad. East of Trinity Lake, between Hay Gulch and Linton Ridge. About 2.1 air miles south of Jackass Peak. Along road bank in very gravelly to rocky soil. ID by Dr. Dean Wm. Taylor., 884m

SPIF

Eriogonum Michx.

Siskiyou, Ash Creek Butte 7.5' USGS quad. Just N of Cold Creek. Open sandy flat with much Arctostaphylos nevadensis in open, thinned Fir forest., 1711m

SPIF

Eriogonum Michx.

Shasta, Skunk Ridge 7.5' USGS quad. On SW side of Bald Mountain. Growing on rock jumble at edge of outcrop with Quercus vacciniifolia, Silene sp, Penstemon newberryi, Arctostaphylos patula, Viola purpurea., 1526m

SPIF

Eriogonum sphaerocephalum var. halimioides S. Stokes

Lassen, Bullard Lake 7.5' USGS quad. NE of Big Jack Lake. Growing in a dry grassy sagebrush flat near the forest edge with Artemisia tridentata, Festuca idahoensis, Perideridia, Purshia tridentata, and Juniperus occidentalis. 0% canopy, flat. Identified by Dr. Dean Taylor., 1759m

SPIF

Eriogonum strictum Benth.

Lassen, Cleghorn Flat or Grasshopper Valley 7.5' USGS quads.

SPIF

Eriogonum strictum var. proliferum (Torr. & A. Gray) C.L. Hitchc.

Humboldt, Owl Creek 7.5' USGS quad. Located on a rocky outcrop within the prairie, along the slope ridge between Stevens Creek and Grizzly Creek, about 0.9 air mile SSW of Bald Jessie and about 3 air miles NNE of Grizzly Creek Redwoods State Park Campground at HW 36 and Van Duzen River. Oak woodland located nearby. Other species not noted within the rock outcrop. ID by Dr. Dean Wm. Taylor., 831m

SPIF

Eriogonum ternatum Howell

Trinity, Seven Lakes Basin 7.5' USGS quad. N of Panther Rock near a 4WD road. Plants in flower in openings between Quercus vaccinifolia, Amelanchier utahensis, with Carex brainerdii, Senecio sp, Arenaria sp, Phlox sp, Danthonia unispicata in a red fir forest. Very rocky, ultramafic soil. 0% canopy. ID'ed by Dr. Dean Taylor., 2035m

SPIF

Eriogonum umbellatum Torr.

Siskiyou, Ash Creek Butte 7.5' USGS quad. Just N of Cold Creek. Open sandy flat with much Arctostaphylos nevadensis in open, thinned Fir forest., 1711m

SPIF

Eriogonum umbellatum Torr.

Lassen, Bullard Lake 7.5' USGS quad. Section unknown. From around Big Jack Lake and Mosquito Flat. Identification by Dr. Taylor.

SPIF

Eriogonum umbellatum Torr.

Lassen, Johnstonville 7.5' USGS quad. Located ca. 2.88 air miles ENE of Susanville Peak and NW of Antelope Mountain. Eastside Pine-Juniper Forest. SE aspect. ID'ed by Dr. Dean Taylor., 1913m

SPIF

Eriogonum umbellatum Torr.

Trinity, Scott Mountain 7.5' USGS quad. South of Scott Mountain summit.

SPIF

Eriogonum umbellatum var. dumosum (Greene) Reveal

Plumas, Dogwood Peak 7.5' USGS quad., 1607m

SPIF

Eriogonum umbellatum var. humistratum Reveal

Trinity, Scott Mountain 7.5' USGS quad. Scott Mountain summit. Exact location not recorded. Coordinates are an approximation. Lat/Lon determined from a topo map., 1649m

SPIF

Eriogonum umbellatum var. nevadense Gand.

Sierra, Haypress Quad 7.5' USGS quad. Growing along the ridgeline and rock outcrops with Quercus vaccinifolia and Pinus ponderosa., 189m

SPIF

Eriogonum umbellatum var. torreyanum (A. Gray) M.E. Jones

Nevada, Webber Peak 7.5' USGS quad. NDDB EO#19. West side of Meadow Lake Rd. and Lacy Creek about 0.75 mile north of turnoff to Bear Valley and Fordyce Lake. About 1 air mile south of Nevada/Sierra County Line. Patchy vegetation with Eriogonum umbellatum nevadense, Monardella odoratissima, Wyethia mollis, Sitanion hystrix, Artemisia arbuscula, Purshia tridentata, and Phlox diffusa., 2286m

SPIF

Eriogonum ursinum S. Watson

Nevada, Graniteville 7.5' USGS quad. Growing less than an air mile W to NW of Bowman Lake. Growing on an open ridge with scattered Pinus ponderosa, Calocedrus decurrens, Eriogonum lobbii, and Eriogonum wrightii. SE aspect., 1988m

SPIF

Eriogonum ursinum var. erubescens Reveal & J. Knorr

Trinity, Damnation Peak 7.5' USGS quad. Off Slate Mtn Rd. ~0.23 mile west of Fool Gulch Camp and ~1.3 miles southwest of Slate Mountain. Growing on an ultramafic rock outcrop along a cut bank in a mixed conifer forest. Other rare plants also found nearby. Flowers were pink in bud on the outside of the petals and then more yellow on the inside in early June. By time of collection flowers were pink.

SPIF

Eriogonum ursinum var. erubescens Reveal & J. Knorr

Shasta, Hanland Peak 7.5' USGS quad. ~1.51 air miles west of High Mountain growing on the northerly slope of a ridge between the North Fork North Salt Creek and North Salt Creek. Growing on a steep rocky talus slope with Mimulus sp, Sedum sp, Philadelphus lewisii, Polystichum munitum, Ribes roezlii surrounded by Quercus chrysolepis and Pinus ponderosa forest. 50 degree slope, 0%canopy., 979m

SPIF

Eriogonum ursinum var. erubescens Reveal & J. Knorr

Trinity, Damnation Peak 7.5' USGS quad. Off Slate Mtn Rd. ~0.23 mile west of Fool Gulch Camp and ~1.3 miles southwest of Slate Mountain. Growing on an ultramafic rock outcrop along a cut bank in a mixed conifer forest. Few plants were growing on the rock outcrop with it, but immediately surrounding the occurrence was Pseudotsuga menziesii, Pinus ponderosa, Abies concolor, Ceanothus integerrimus, Ceanothus cordulatus, and some grasses. 0% canopy, 5-45% slope, W aspect. Silene salmonacea and Arnica venosa were also found nearby. ~30 individuals, 90% flowering, ~3 m diameter extent. ID confirmed by Dean Wm. Taylor. Lat/Lon obtained from map., 1341m

SPIF

Eriogonum ursinum var. erubescens Reveal & J. Knorr

Plumas, Humbug Valley 7.5' USGS quad. Ca. 3.75 air miles NW of Humbug Valley. NW of Yellow Creek, upslope on ledges and flat parts of large rock outcrop in a mixed conifer forest. Associated species: Pellaea brachyptera, Cheilanthes gracillima, Bromus tectorum, Eriogonum nudum, Pinus lambertiana, Abies concolor, and Calocedrus decurrens. 0% canopy. SE aspect., 1591m

SPIF

Eriogonum ursinum var. erubescens Reveal & J. Knorr

Shasta/Trinity, Papoose Creek 7.5' USGS quad. Growing along eastern road bank of Trinity Mountain Rd/County HW 106 near junction with FS road 35N17X, and along northern road bank of FS road just past junction, both locations about 5-10' off road. ~3 miles NE (~34.6 degrees) of Trinity Mountain. Growing with Eriogonum nudum and Ceanothus integerrimus in mixed conifer forest, near ridge line. Slope 50-80%, bare soil, S and W aspects. Two separate clumps along with other individual plants in the area, count of 15 individuals estimated. One matted clump about 2'x3', other was about 2'x2'. Lat/Lon collected by GPS., 1396m

SPIF

Eriogonum ursinum var. erubescens Reveal & J. Knorr

Shasta/Trinity, Papoose Creek 7.5' USGS quad. Growing along eastern road bank of Trinity Mountain Rd/County HW 106 near junction with FS road 35N17X, and along northern road bank of FS road just past junction, both locations about 5-10' off road. ~3 miles NE (~34.6 degrees) of Trinity Mountain. Growing with Eriogonum nudum and Ceanothus integerrimus in mixed conifer forest, near ridge line. Slope 50-80%, bare soil, S and W aspects. Two separate clumps along with other individual plants in the area, count of 15 individuals estimated. One matted clump about 2'x3', other was about 2'x2'. Lat/Lon collected by GPS., 1396m

SPIF

Eriogonum ursinum var. erubescens Reveal & J. Knorr

Shasta, Papoose Creek 7.5' USGS quad. Growing on the eastern roadbank on Trinity County Rd 106 near the intersection of FS RD 35N17X, ca. 3 air miles NE of Trinity Mountain Guard Station. Growing within a mixed conifer forest on loose rocky soil with little competition from other vegetation. 0% canopy, NW aspect.

SPIF

Eriogonum ursinum  S. Watson  var. ursinum 

Tehama, Barkley Mountain 7.5' USGS quad. Located ca. 2.84 air miles NE of Flatiron Mountain, SE of Mill Creek. Growing along ridgeline and NW facing slope in a lower mixed conifer forest. ID confirmed by Dr. Dean Taylor.

SPIF

Eriogonum ursinum S. Watson var. ursinum

Plumas, Canyondam 7.5' USGS quad. SW of Keddie Ridge. Growing on rocky outcrops., 2029m

SPIF

Eriogonum wrightii Torr. ex Benth.

Nevada, Graniteville 7.5' USGS quad. Growing less than an air mile W to NW of Bowman Lake. Growing on an open ridge with scattered Pinus ponderosa, Calocedrus decurrens, Eriogonum lobbii, and Eriogonum ursinum. SE aspect., 1988m

SPIF

Polygonum aviculare subsp. depressum (Meisn.) Arcang.

Shasta, Grays Peak 7.5' USGS quad. S of Canyon Creek. Growing alongside of road with Lactuca serriola. 0% canopy, flat. Located at Ponderosa fire., 1269m

SPIF

Polygonum douglasii subsp. spergulariiforme (Meisn. ex Small) J.C. Hickman

Trinity, Covington Mill 7.5' USGS quad. Just west off the Lake Eleanor Trail about 0.04 mile in a grassy swale on ultramafic soil., 1585m

SPIF

Polygonum douglasii subsp. spergulariiforme (Meisn. ex Small) J.C. Hickman

Tehama, Finley Butte 7.5' USGS quad. Collected in 5 year old conifer plantation along Judd Creek., 1023m

SPIF

Polygonum lapathifolium L.

Tehama, Finley Butte 7.5' USGS quad. Judd Creek study site; ca. 1 air mi s Lyman Springs. Current Jepson Interchange Name: Persicaria lapathifolia. (original described UTM point is typed incorrectly on label), 1097m

SPIF

Polygonum polygaloides subsp. confertiflorum (Nutt. ex Piper) J.C. Hickman

Modoc, Donica Mountain 7.5' USGS quad., 1333m

SPIF

Polygonum polygaloides subsp. confertiflorum (Nutt. ex Piper) J.C. Hickman

Siskiyou, White Horse 7.5' USGS quad. Along the road on the N end of Wet Weather Lake. ID'ed by Dr. Dean Taylor., 1420m

SPIF

Polygonum shastense W.H. Brewer

Sierra, Webber Peak 7.5' USGS quad. Along an east facing rocky slope near the Pacific Crest Trail. Exact location not recorded., 2256m

SPIF

Rumex acetosella L.

Humboldt, Maple Creek 7.5' USGS quad. Not native to California, Invasive., 975m

SPIF

Rumex acetosella L.

Shasta, Tombstone Mountain 7.5' USGS quad. No notes recorded.

SPIF

Rumex L.

Shasta, Cottonwood 7.5' USGS quad. Sacramento River bank, at the Sierra Pacific Industries' Anderson Office., 128m