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2005 The Regents of the University of California
CalPhotos
Pine Mt. area east of Cloverdale. Sugar pine-black oak type. Shrubs: Arctostaphylos manzanita. Sonoma County. Quad name: Kelseyville. Quad number: 60B.
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2005 The Regents of the University of California
CalPhotos
Pine Mt. area east of Cloverdale. Sugar pine-black oak type. Shrubs: Arctostaphylos manzanita. Sonoma County. Quad name: Kelseyville. Quad number: 60B.
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2005 The Regents of the University of California
CalPhotos
Pine Mt. Area east of Cloverdale. Remnant sugar pine associated with Arctostaphylos manzanita and Quercus kelloggii. Sonoma county. Quad name: Kelseyville. Quad number: 60B.
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2005 The Regents of the University of California
CalPhotos
One mile below edge of Cummings Quad. Woodland-chaparral-grass type of Quercus garryana, Arctostaphylos manzanita, Ceanothus cuneatus. Pinus ponderosa and Pseudotsugamenziesii var.glauca (=Pseudotsuga taxifolia) on ridge. Mendocino county. Quad name: Cape Vizcaino (Branscomb). Quad number: 44D. Reference to map: 1.
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2005 The Regents of the University of California
CalPhotos
One mile below south edge of Cummings quad. Woodland-chaparral-grass type of Quercus garryana, Arctostaphylos manzanita, Ceanothus cuneatus. Pinus ponderosa and Pseudotsugamenziesii var.glauca (=Pseudotsuga taxifolia) on ridge. Mendocino County. Quad name: Cape Vizcaino (Branscomb). Quad number: 44D. Reference to map: 1.
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2005 The Regents of the University of California
CalPhotos
Ridgewood Ranch. Grass-hardwood type, Garry oak. Associated species: Quercus lobata, Umbellularia californica, Arctostaphylos manzanita. Quad name: Willits. Quad number: 46B.
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2005 The Regents of the University of California
CalPhotos
Soil profile as shown by road cut of grass type on southwest slope. Note black clay loam surface soil overlying Monterey shale. Chaparral and sage types are found in this locality where Monterey shale is exposed. Black clay loam lost by erosion. Quad name: Santa Cruz. Quad number: 84. Reference to map: 64.
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2005 The Regents of the University of California
CalPhotos
Benmore valley, Lake County. Second growth sugar pine with canyon oak and Arctostaphylos manzanita. Note ponderosa pine individual and Pteris in foreground. Quad name: Ukiah. Quad number: 46D. Reference to map: 6.
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2005 The Regents of the University of California
CalPhotos
Detail of trunk of Arctostaphylos (otayensis) showing typical form. Woody platform not formed; bark flakes off in small pieces. Trunk 6 inches in diameter. Same bush as # 319401. North side of Otay Mt., near summit., T 18 S R 1 E Sec 14 Quad name: Cuyamaca. Quad number: 191. Reference to map: 15.
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2005 The Regents of the University of California
CalPhotos
( Same locality as # 302520). Interior views showing skeletons of fire killed Arctostaphylos (otayensis). Three foot rule in # 302521 indicates height of 12 feet., T 18 S R 1 E Sec 2 Quad name: Cuyamaca. Quad number: 191. Reference to map: 14.
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2005 The Regents of the University of California
CalPhotos
Arctostaphylos nissenana, showing typical development, 1.5 to 2 feet, on the poorer sites. Note type of soil present, which is characteristic of the range of this species: rock formation is Mariposa slate, with very little or scarecely any top soil. Head of Martinez Creek, south of Diamond Springs., T 10 N R 11 E Sec 31 Quad name: Placerville. Quad number: 56. Reference to map: 27.
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2005 The Regents of the University of California
CalPhotos
Development of Arctostaphylos nissenana reached on the better sites where the soil is deeper. Height 6 feet ( Rule at 3 feet). The form of the bush is typical of all types of development of the species. Head of Martinez Creek, south of Diamond Springs., T 10 N R 11 E Sec 31 Quad name: Placerville. Quad number: 56. Reference to map: 27.
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2005 The Regents of the University of California
CalPhotos
Detail of branching and stem characteristics of Arctostaphylos nissenana. Trunk branches close to the ground level but does not develop a woody platform. Stems with black, shreddy bark, the outer layers of which may be removed with ease. Head of Martinez Creek, south of Diamond Springs., T 10 N R 11 E Sec 31 Quad name: Placerville. Quad number: 56. Reference to map: 27.
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2005 The Regents of the University of California
CalPhotos
Chaparral type of Arctostaphylos nissenana growing in pure stand, this characteristic of the species. Average development, 2-3.5 feet (Rule at 3 feet), in center of picture, poorer development and more open stand on shallower soil in background. Seedlings in fire-killed area in foreground. Snag is Digger pine. Head of Martinez creek, south of Diamond Springs., T 10 N R 11 E Sec 31 Quad name: Placerville. Quad number: 56. Reference to map: 27.
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2005 The Regents of the University of California
CalPhotos
General view of pure Arctostaphylos nissenana stand, showing areas killed outright by July 1931 fire. Seedlings of same species coming in on burned areas. Nontimber site. Head of Martinez Creek, south of Diamond Springs., T 10 N R 11 E Sec 31 Quad name: Placerville. Quad number: 56. Reference to map: 28.
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2005 The Regents of the University of California
CalPhotos
Arctostaphylos nissenana killed outright by July 1931 fire. Where soil is very shallow the only growth consists of A. nissenana seedlings; on the better sites, in addition to these seedlings, there is an occasional Dendromecon rigida and, in some areas, a rather profuse growth of Polygala cornuta and Hypericum concinnum. (Rule at 3 feet). Head of Martinez Creek, south of Diamond Springs., T 10 N R 11 E Sec 31 Quad name: Placerville. Quad number: 56. Reference to map: 28.
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2005 The Regents of the University of California
CalPhotos
Pure stand of Arctostaphylos nissenana in foreground and Knobcone pine on middle slope; both nontimber sites. Soil very shallow of Mariposa slate origin. Ponderosa pine and Black oak (site Index 1150) in background. Looking E, 2 miles W. from Volcanoeville., T 13 N R 10 E Sec 13 Quad name: Placerville. Quad number: 56. Reference to map: 24.
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2005 The Regents of the University of California
CalPhotos
Knobcone pine-Arctostaphylos nissenana mosaic type. Nontimber site on shallow soil area of Maripose slate origin. Ponderosa pine ( SI 150) in background. Looking W, 2 miles W from Volcanoeville., T 13 N R 10 E Sec 13 Quad name: Placerville. Quad number: 56. Reference to map: 22.
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On CNPS List 1B- rare, threatened or endangered.
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On CNPS List 1B- rare, threatened or endangered.
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On CNPS List 1B- rare, threatened or endangered.
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On CNPS List 1B- rare, threatened or endangered.
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On CNPS List 1B- rare, threatened or endangered.
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On CNPS List 1B- rare, threatened or endangered.