SPIF

Pyrola aphylla  Sm.

Lassen, Poison Lake 7.5' USGS quad. Growing in mixed coniferous forest floor. Coordinates estimated., 1706m

SPIF

Pyrola picta Sm.

Modoc, White Horse 7.5' USGS quad. Open, mixed coniferous forest floor., 1343m

SPIF

Leucothoe davisiae Torr. ex A. Gray

Shasta, Shasta Bally 7.5' USGS quad. Shasta Bally. Population may have been destroyed by Carr Fire., 1423m

SPIF

Arctostaphylos columbiana Piper

Humboldt, Bridgeville 7.5' USGS quad. Growing in old skid road., 354m

SPIF

Monotropa hypopitys L.

Humboldt, Myers Flat 7.5' USGS quad. Growing from forest floor under Tanoak and Douglas Fir. Associated species: Notholithocarpus densiflorus, Pseudotsuga menziesii, Listera cordata, Corallorhiza maculata. Coordinates estimated., 649m

SPIF

Pyrola aphylla  Sm.

Shasta, Goose Gap 7.5' USGS quad. Growing in mixed forest., 473m

SPIF

Pyrola asarifolia Michx.

Butte, Cascade 7.5' USGS quad. Wet area near creek., 1326m

SPIF

Pyrola asarifolia subsp. asarifolia Michx.

Plumas, Red Cinder 7.5' USGS quad. Growing along lush stream with meadows on both sides., 1687m

SPIF

Pyrola aphylla  Sm.

Lassen, Bogard Buttes 7.5' USGS quad. In forest understory. Lat/Lon is a general point within 1 mile of where specimen was collected.

SPIF

Pleuricospora fimbriolata A. Gray

Humboldt, Larabee Valley 7.5' USGS quad. Growing in forest understory. Exact collection location unknown. Lat/Lon is a general point.

SPIF

Pyrola dentata  Sm.

Modoc, White Horse 7.5' USGS quad. Open, mixed coniferous forest floor., 1343m

SPIF

Pyrola aphylla  Sm.

Modoc, White Horse 7.5' USGS quad. Open, mixed coniferous forest floor., 1343m

SPIF

Arctostaphylos klamathensis S.W. Edwards, Keeler-Wolf & W. Knight

Trinity, Whisky Bill Peak 7.5' USGS quad. Growing near Bonanza King Lookout. Growing on rocky ridge., 2055m

SPIF

Arctostaphylos canescens Eastw.

Trinity, Hoosimbim Mountain 7.5' USGS quad. Growing on dry, open forest slope in mixed conifer forest.

SPIF

Arctostaphylos canescens Eastw.

Humboldt, Sims Mountain 7.5' USGS quad. Along South Fork Mountain, ca. 1.37 air miles W of Bennet Peak. Very puberulent and glandular. Growing along road edge and in an old landing with Arctostaphylos nevadensis and Lupinus elmeri. ID'ed by Dr. Dean Taylor who thinks this is a hybrid plant between A. canescens and A. viscida., 1317m

SPIF

Arctostaphylos canescens subsp. canescens Eastw.

Humboldt, Board Camp Mountain 7.5' USGS quad. Pilot Ridge, ca. 23 road miles south of Hwy 299 on USFS Road 1. In old timber harvest landing near seasonal road. Two shrubs found. Shrubs ca. 1meter tall., 1280m

SPIF

Arctostaphylos canescens subsp. canescens Eastw.

Humboldt, Maple Creek 7.5' USGS quad. Guy Kerr Road, ca. 1 air mile north o f Lake Prairie. Growing near edge of meadow., 1036m

SPIF

Arctostaphylos canescens subsp. canescens Eastw.

Trinity, Hoosimbim Mountain 7.5' USGS quad. Exact location unknown.

SPIF

Arctostaphylos canescens subsp. sonomensis (Eastw.) P.V. Wells

Humboldt, Board Camp Mountain 7.5' USGS quad. Slopes above upper reaches of Brays Opening Creek. ~1.75 miles ESE of Board Camp Mountain., 1273m

SPIF

Arctostaphylos glandulosa subsp. glandulosa Eastw.

Humboldt, Maple Creek 7.5' USGS quad. Shrub to 2.5 meter tall. Snow Camp Rd. to High Prairie Rd, then north under powerline. Burl evident by branch sprouting pattern., 610m

SPIF

Arctostaphylos glandulosa subsp. glandulosa Eastw.

Humboldt, Lord-Ellis Summit 7.5' USGS quad. Exact location unknown.

SPIF

Arctostaphylos klamathensis S.W. Edwards, Keeler-Wolf & W. Knight

Shasta, Whiskey Bill Peak 7.5' USGS quad. Slate Creek headwaters, approximately 0.60 mi. NW of Chicken Hawk Hill. Perennial prostrate shrub. Northerly aspect slope in mixed conifer forest, serpentine substrate. Associated species include Abies concolor, Abies magnifica, Pinus monticola, Arctostaphylos nevadense, Rhododendron occidentale, and Quercus vacciniifolia., 174m

SPIF

Arctostaphylos klamathensis S.W. Edwards, Keeler-Wolf & W. Knight

Shasta, Chicken Hawk Hill 7.5' USGS quad. North slope of Mears Ridge, headwaters of Flume Creek. Perennial prostrate to low growing shrub, to 2 ft. tall. Ridgetop in mixed conifer forest, growing on SW aspect in forest opening at edge of former landing. Abies magnifica and Pinus monticola forest; growing with Quercus vacciniifolia, Arctostaphylos patula, Arctostaphylos nevadense, and Chrysolepis sempervirens., 122m

SPIF

Arctostaphylos klamathensis S.W. Edwards, Keeler-Wolf & W. Knight

Trinity, Seven Lakes Basin 7.5' USGS quad. Headwaters of Tamarack Creek, approx, 0.25 mi. NE of Panther Rock. Perennial prostrate to low growing shrub, to 1.5 ft. tall. Clearcut timber harvest unit and roadcut in mixed conifer forest, growing on NE aspect in open forest plantation. Abies magnifica and Tsuga mertensiana forest; growing with Arctostaphylos patula and Arctostaphylos nevadense., 137m

SPIF

Arctostaphylos klamathensis S.W. Edwards, Keeler-Wolf & W. Knight

Trinity, Seven Lakes Basin 7.5' USGS quad. Headwaters of Tamarack Creek, approx. 0.25 mi. NE of Panther Rock. Perennial prostrate to low growing shrub, to 2 ft. tall; fruits pinkish-red to orange-brown. Roadcut on edge of clearcut timber harvest unit and mature forest in mixed conifer forest, NE aspect slope with moderate canopy cover. Abies magnifica and Tsuga mertensiana forest; growing with Arctostaphylos patula and Arctostaphylos nevadense., 61m

SPIF

Arctostaphylos klamathensis S.W. Edwards, Keeler-Wolf & W. Knight

Siskiyou, Scott Mountain 7.5' USGS quad. Shrubs ca. 1meter tall. Scott Mountain, about 0.6 road mile west of Scott Mountain Campground, along Mule Creek Ridge, on the Klamath National Forest. This is NDDB Occ. #2. Abundant on north-facing slope., 1676m

SPIF

Arctostaphylos klamathensis S.W. Edwards, Keeler-Wolf & W. Knight

Trinity, Scott Mountain 7.5' USGS quad. Along Road.

SPIF

Arctostaphylos klamathensis S.W. Edwards, Keeler-Wolf & W. Knight

Trinity, Scott Mountain 7.5' USGS quad. Plot 10.

SPIF

Arctostaphylos klamathensis S.W. Edwards, Keeler-Wolf & W. Knight

Trinity, Seven Lakes Basin 7.5' USGS quad. Near Panther Rock. Part of DFG Occ. # 23. All along ridge with Arctostaphylos nevadensis, Abies magnifica, Arctostaphylos patula, and Ceanothus prostratus. Also very thick in the younger plantation that has been sprayed with herbicide., 1929m

SPIF

Arctostaphylos klamathensis S.W. Edwards, Keeler-Wolf & W. Knight

Trinity, Whisky Bill Peak 7.5' USGS quad. About half way between Pond Lily Lake and Highland Lakes. Growing in openings of the forest, along the road edge, and up into a younger conifer plantation. Growing with Abies magnifica, Pinus monticola, Pteridium aquilinum, Rosa, Arctostaphylos patula, and Arctostaphylos glandulosa. Ultramafic soil. 0% canopy, NW aspect. Sticky glandular hairs present., 1747m

SPIF

Arctostaphylos manzanita subsp. wieslanderi P.V. Wells

Tehama, Manton 7.5' USGS quad. Digger Butte (4 air miles E of Manton). Shrubs dominating shallow rocky sites in mixed conifer forest of Pinus ponderosa, Quercus kelloggii, Calocedrus decurrens on volcanic substrate

SPIF

Arctostaphylos mewukka subsp. truei (W. Knight) P.V. Wells

Butte, Storrie 7.5' USGS quad. Feather River Canyon, along Highway 70 equidistant between Cresta Dam and Rock Creek. Steep north facing slope above the highway, sympatric with A. viscida., 564m

SPIF

Arctostaphylos mewukka subsp. truei (W. Knight) P.V. Wells

Plumas, Cascade 7.5' USGS quad. Slopes east of Boomer Creek, about 3 miles NNE of Camp Eighteen and about 2.3 miles SSE of Cascade. 2 sites located within an opening on flat top of ridgeline and also alongside a roadway within a mixed conifer and oak forest. Associates: Ribes roezlii, Pteridium aquilinum var. pubescens, Ceanothus integerrimus, Lithocarpus densiflorus. Slight SW aspect, 0-20% canopy cover. Tall plants with very large berries. Additional point for a single ARMET located alongside roadway: 39.67115, -121.15434; NAD27., 1330m

SPIF

Arctostaphylos mewukka subsp. truei (W. Knight) P.V. Wells

Butte, Paradise East 7.5' USGS quad. Growing in thick pine duff, a few feet from the road. 30% canopy cover, 0 degree slope, growing in close approximation with Arctostaphylos viscida. Occurrence of 3 plants in fruit within a 6 ft radius. Also growing with Notholithocarpus densiflorus, Pinus ponderosa, and Ceanothus prostratus., 922m

SPIF

Arctostaphylos mewukka subsp. truei (W. Knight) P.V. Wells

Butte, Stirling City 7.5' USGS quad. Approximately half way between Greek Ranch Camp and the Little West Fork Feather River. Growing along an old skid trail bordering the creek. 0% slope, 30% canopy. Mixed conifer forest with Pteridium aquilinum, Viola lobata, Ceanothus integerrimus, Ribes roezlii, Rubus discolor, Adenocaulon bicolor, and Polygala cornuta var. cornuta.

SPIF

Arctostaphylos mewukka subsp. truei (W. Knight) P.V. Wells

Butte, Stirling City 7.5' USGS quad. Near the Diversion Dam in Long Ravine. Mesic ravine near road cut in mixed conifer forest. Associated plants: Pinus ponderosa, Pseudotsuga menziesii, Ceanothus integerrimus, Taxus brevifolia, Calocedrus decurrens, and Quercus kelloggii.

SPIF

Arctostaphylos mewukka subsp. truei (W. Knight) P.V. Wells

Butte, Stirling City 7.5' USGS quad. Road 50B off of the Skyway near Stirling City. Growing in a mixed conifer forest with Lithocarpus densiflorus, Rhamnus purshiana, Quercus kelloggii, Pseudotsuga menziesii, Rubus parviflorus, Castilleja applegatei, and Quercus chrysolepis.

SPIF

Arctostaphylos nevadensis A. Gray

Siskiyou, Thompson Ridge. Happy Camp. Exact location not recorded.

SPIF

Arctostaphylos nevadensis A. Gray

Trinity, Covington Mill 7.5' USGS quad. Near Lake Eleanor.

SPIF

Arctostaphylos nevadensis A. Gray

Trinity, Tangle Blue Lake 7.5' USGS quad. Hwy 3, e/Co. Rd. 133, 30N26, SPI spur 13a.

SPIF

Arctostaphylos nevadensis A. Gray

Trinity, Covington Mill 7.5' USGS quad. ca. 1 mile west of Hwy 3 near Davis Creek (6 air miles SW of Trinity Center); edge of young (20yr) conifer plantation along gravel logging road; these plants with leaf color of A. klamathensis; hairs of A. nevadensis., 945m

SPIF

Arctostaphylos nevadensis A. Gray

Humboldt, Lord-Ellis Summit 7.5' USGS quad. Exact location unknown.

SPIF

Arctostaphylos patula Greene

Shasta, Whiskeytown 7.5' USGS quad. Shrubs to 2M tall. From Hwy 299, north on South Fork Mt. Rd. 100M east of Whiskeytown Lake Visitor's Center. 7 rd miles north on South Fork Mt. Rd. Growing with A. malloryi, A. viscida, Pinus ponderosa, Pinus attenuata,, Pseudotsuga menziesii, and Quercus kelloggii. All manzanita in area seems affected to some extent by a blight., 914m

SPIF

Arctostaphylos viscida Parry

Shasta, Whiskeytown 7.5' USGS quad. Shrubs to 2M tall. From Hwy 299, north on South Fork Mt. Rd. 100M east of Whiskeytown Lake Visitor's Center. 7 rd miles north on South Fork Mt. Rd. Growing with A. malloryi, A. viscida, Pinus ponderosa, Pinus attenuata,, Pseudotsuga menziesii, and Quercus kelloggii. All manzanita in area seems affected to some extent by a blight., 914m

SPIF

Arctostaphylos viscida subsp. mariposa (Dudley) P.V. Wells

Tuolumne, Crandall Peak or Stanislaus 7.5' USGS quads. Exact location unknown.

SPIF

Chimaphila umbellata (L.) W.P.C. Barton

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

Gaultheria ovatifolia A. Gray

Trinity, Sims Mountain 7.5' USGS quad. Along South Fork Mountain NE of Potato Hill and W of Bennet Peak. Growing in a mixed conifer forest.

SPIF

Leucothoe davisiae Torr. ex A. Gray

Shasta, Chicken Hawk Hill 7.5' USGS quad. Headwaters of Flume Creek. Perennial shrub, to 2 ft. tall, growing in dense patches. Seasonal drainage on northerly aspect slope adjacent to stream in understory of mixed conifer forest. Abies magnifica, Chamaecyparis lawsoniana, and Pinus monticola forest; growing with Rhododendron glandulosum., 61m

SPIF

Phyllodoce empetriformis (Sm.) D. Don

Siskiyou, Scott Mountain 7.5' USGS quad. Trail that leads up from Kangaroo Lake., 1951m

SPIF

Pyrola dentata Sm.

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

SPIF

Pyrola minor L.

Trinity, Tangle Blue Lake 7.5' USGS quad. Veins not white-bordered, but Jepson Manual includes in this species., 1280m

SPIF

Pyrola picta Sm.

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

Pyrola picta Sm.

Butte, Stirling City 7.5' USGS quad. Along Butte Creek canal, near Stirling City. Within mixed conifer forest.

SPIF

Rhododendron occidentale (Torr. & A. Gray) A. Gray

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

Rhododendron occidentale (Torr. & A. Gray) A. Gray

Trinity, Covington Mill 7.5' USGS quad. Lake Eleanor Trail. No additional collection information given.

SPIF

Sarcodes sanguinea Torr.

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

Vaccinium cespitosum Michx.

Trinity, Covington Mill 7.5' USGS quad. Lake Eleanor Trail. No additional collection information given., 1494m

SPIF

Vaccinium deliciosum Piper

Shasta, Chicken Hawk Hill 7.5' USGS quad. Headwaters of Flume Creek. Perennial rhizomatous shrub, deciduous, to 2.5 ft. tall. Northerly aspect slope above stream, growing at forest edge in understory of mixed conifer forest. Abies magnifica, Chamaecyparis lawsoniana, and Pinus monticola forest; growing with Leucothoe davisiae, Rhododendron glandulosum, Quercus vacciniifolia, Chrysolepis sempervirens, and Arctostaphylos patula., 61m

SPIF

Vaccinium membranaceum Douglas ex Torr.

Trinity, Tangle Blue Lake 7.5' USGS quad., 1280m

SPIF

Vaccinium parvifolium Sm.

Humboldt, Maple Creek 7.5' USGS quad., 975m

SPIF

Vaccinium cespitosum Michx.

United States, California, Trinity, Weaverville District. Growing near Bonanza King Lookout. Growing near small seasonal creek. Carrville Quadrangle, 41.08304 -122.62498, 2021m