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SNFN0241
» Citation URL: http://vegbank.org/cite/urn:lsid:vegtwig.vegbank.org:observation:6984-{3F39B524-9134-44F4-8548-92C52283B9D6}
» Citing info
Plot ID Fields: 
Author Plot Code ? SNFN0241
Author Observation Code ? SNFN0241
Original Data Location ? California Dept. of Fish and Wildlife, Vegetation Classification Program, Sacramento, CA
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? exact location
Latitude ? 40.2768187257278 º
Longitude ? -122.13741821498 º
Author Location ? Hog Lake/Paynes Creek, Tehama County
Location Narrative ? Hog Lake Plateau west of the parking area. The plot is located southwest of the intersection between the dirt road paralleling the power lines and the dirt road running east to west below the blue oak stands on the side slope of the plateau. The stand is a sparse herbaceous stand on thin volcanic soils, dominated by native forbs.
State or Province ? California
Country ? United States
Named Places
region|state|province: California
area|country|territory: United States
Layout Fields: 
Shape ? square
Area ? 10.9
Placement Method ? Representative
Permanence ? not permanent
Layout Narrative ? 3.3 m wide
Environment Fields: 
Stand Size ? small
Elevation ? 255 m
Slope Aspect ? 120 º
Slope Gradient ? 1 º
Topographic Position ? Middle 1/3 of slope
Surficial Deposits ? Volcanic mud
Rock Type ? Volcanic mud
Landscape Narrative ? upland; Annual Grass; A patch of bedrock in the plot has about 10% cover. Deleted coarse fragments "other" = moss and lichens (12%), algal mat (6%).
Percent Bedrock ? 4 %
Percent Rock / Gravel ? 30 %
Percent Litter ? 12 %
Percent Bare Soil ? 51 %
Percent Other ? 2 %
Name Other ? incl.other surf.& living stems
Methods Fields: 
Observation Start Date ? 11-May-2005 ± exact
Date Accuracy ? exact
Project ? northern Sierra Foothills releves
Cover Method ? Percentage (%)
Stratum Method ? CA Native Plant Society (CNPS)
Taxon Observation Area ? 10.9
Cover Dispersion ? Entire
Overall Taxon Cover Values are Automatically Calculated? ? no
Stem Observation Area ? 10.9
Plot Quality Fields: 
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields: 
--no data--
Misc Fields: 
Observation Narrative ? cited in Klein et al. 2007 as SNFN0241
Taxa occurring on this plot-observation
Change plant label:
Change Strata Shown:
ord Author Plant Name ?Original Interpretation, full Scientific Name ?Original Interpretation, Scientific Name without authors ?Original Interpretation, Common Name ?Original Interpretation, USDA Code ?Current Interpretation, full Scientific Name ?Current Interpretation, Scientific Name without authors ?Current Interpretation, Common Name ?Current Interpretation, USDA Code ? Stratum ?Cover ?Original Cover Code ?Basal Area ?Biomass ?Inference Area ? Stems: Stem Diameters (graphically):
1 Navarretia tagetina Navarretia tagetina Greene Navarretia tagetina Navarretia tagetina **   NATA3 Navarretia tagetina Greene Navarretia tagetina Navarretia tagetina **   NATA3 Low
6 %
        -none-
2 Polygonum californicum Polygonum californicum Meisn. Polygonum californicum Polygonum californicum **   POCA7 Polygonum californicum Meisn. Polygonum californicum Polygonum californicum **   POCA7 Low
4 %
        -none-
3 Moss Moss **   Bryophyta Mosses Moss **   Moss **   Bryophyta Mosses Moss **   Low
4 %
        -none-
4 Plantago erecta Plantago erecta Morris Plantago erecta Plantago erecta **   PLER3 Plantago erecta Morris Plantago erecta Plantago erecta **   PLER3 Low
3 %
        -none-
5 Brodiaea californica Brodiaea californica Lindl. Brodiaea californica Brodiaea californica **   BRCA4 Brodiaea californica Lindl. Brodiaea californica Brodiaea californica **   BRCA4 Low
2 %
        -none-
6 Vulpia microstachys Vulpia microstachys (Nutt.) Munro Vulpia microstachys Vulpia microstachys **   VUMI Vulpia microstachys (Nutt.) Munro Vulpia microstachys Vulpia microstachys **   VUMI Low
2 %
        -none-
7 Clarkia purpurea ssp. quadrivulnera Clarkia purpurea (W. Curtis) A. Nelson & J.F. Macbr. ssp. quadrivulnera (Douglas ex Lindl.) F.H. Lewis & M.E. Lewis Clarkia purpurea ssp. quadrivulnera Clarkia purpurea ssp. quadrivulnera **   CLPUQ Clarkia purpurea (W. Curtis) A. Nelson & J.F. Macbr. ssp. quadrivulnera (Douglas ex Lindl.) F.H. Lewis & M.E. Lewis Clarkia purpurea ssp. quadrivulnera Clarkia purpurea ssp. quadrivulnera **   CLPUQ Low
1 %
        -none-
8 Polygonum bidwelliae Polygonum bidwelliae S. Watson Polygonum bidwelliae Polygonum bidwelliae **   POBI4 Polygonum bidwelliae S. Watson Polygonum bidwelliae Polygonum bidwelliae **   POBI4 Low
1 %
        -none-
9 Minuartia californica Minuartia californica (A. Gray) Mattf. Minuartia californica Minuartia californica **   MICA7 Minuartia californica (A. Gray) Mattf. Minuartia californica Minuartia californica **   MICA7 Low
0.2 %
        -none-
10 Trifolium hirtum Trifolium hirtum All. Trifolium hirtum Trifolium hirtum **   TRHI4 Trifolium hirtum All. Trifolium hirtum Trifolium hirtum **   TRHI4 Low
0.2 %
        -none-
11 Bromus hordeaceus Bromus hordeaceus L. Bromus hordeaceus Bromus hordeaceus **   BRHO2 Bromus hordeaceus L. Bromus hordeaceus Bromus hordeaceus **   BRHO2 Low
0.2 %
        -none-
12 Filago gallica Filago gallica L. Filago gallica Filago gallica **   FIGA Filago gallica L. Filago gallica Filago gallica **   FIGA Low
0.2 %
        -none-
13 Chorizanthe polygonoides Chorizanthe polygonoides Torr. & A. Gray Chorizanthe polygonoides Chorizanthe polygonoides **   CHPO4 Chorizanthe polygonoides Torr. & A. Gray Chorizanthe polygonoides Chorizanthe polygonoides **   CHPO4 Low
0.2 %
        -none-
14 Petrorhagia dubia Petrorhagia dubia (Raf.) G. López & Romo Petrorhagia dubia Petrorhagia dubia **   PEDU2 Petrorhagia dubia (Raf.) G. López & Romo Petrorhagia dubia Petrorhagia dubia **   PEDU2 Low
0.2 %
        -none-
15 Hemizonia fitchii Hemizonia fitchii A. Gray Hemizonia fitchii Hemizonia fitchii **   HEFI Hemizonia fitchii A. Gray Hemizonia fitchii Hemizonia fitchii **   HEFI Low
0.2 %
        -none-
16 Astragalus pauperculus Astragalus pauperculus Greene Astragalus pauperculus Astragalus pauperculus **   ASPA15 Astragalus pauperculus Greene Astragalus pauperculus Astragalus pauperculus **   ASPA15 Low
0.2 %
        -none-
17 Navarretia heterandra Navarretia heterandra H. Mason Navarretia heterandra Navarretia heterandra **   NAHE Navarretia heterandra H. Mason Navarretia heterandra Navarretia heterandra **   NAHE Low
0.2 %
        -none-
18 Micropus californicus Micropus californicus Fisch. & C.A. Mey. Micropus californicus Micropus californicus **   MICA Micropus californicus Fisch. & C.A. Mey. Micropus californicus Micropus californicus **   MICA Low
0.2 %
        -none-
19 Parvisedum pumilum Parvisedum pumilum (Benth.) R.T. Clausen Parvisedum pumilum Parvisedum pumilum **   PAPU10 Parvisedum pumilum (Benth.) R.T. Clausen Parvisedum pumilum Parvisedum pumilum **   PAPU10 Low
0.2 %
        -none-
20 Selaginella hansenii Selaginella hansenii Hieron. Selaginella hansenii Selaginella hansenii **   SEHA2 Selaginella hansenii Hieron. Selaginella hansenii Selaginella hansenii **   SEHA2 Low
0.2 %
        -none-
21 Trifolium depauperatum Trifolium depauperatum Desv. Trifolium depauperatum Trifolium depauperatum **   TRDE Trifolium depauperatum Desv. Trifolium depauperatum Trifolium depauperatum **   TRDE Low
0.2 %
        -none-
22 Allium amplectens Allium amplectens Hook. Allium amplectens Allium amplectens **   ALAM2 Allium amplectens Hook. Allium amplectens Allium amplectens **   ALAM2 Low
0.2 %
        -none-
23 Scleranthus annuus Scleranthus annuus L. Scleranthus annuus Scleranthus annuus **   SCAN2 Scleranthus annuus L. Scleranthus annuus Scleranthus annuus **   SCAN2 Low
0.2 %
        -none-
24 Trifolium depauperatum var. depauperatum Trifolium depauperatum Desv. var. depauperatum Trifolium depauperatum var. depauperatum Trifolium depauperatum var. depauperatum **   TRDED Trifolium depauperatum Desv. var. depauperatum Trifolium depauperatum var. depauperatum Trifolium depauperatum var. depauperatum **   TRDED Low
0.2 %
        -none-
25 Lasthenia californica Lasthenia californica DC. ex Lindl. Lasthenia californica Lasthenia californica **   LACA7 Lasthenia californica DC. ex Lindl. Lasthenia californica Lasthenia californica **   LACA7 Low
0.2 %
        -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Stratum Type ?Stratum Base ?Stratum Height ?Stratum Cover ?
Medium 0.5 m 5 m 0 %
Low 0 m 0.5 m 18 %
Tall 5 m   0 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Bibbo, Mark Field assistant
Ratchford, Jaime Field assistant
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 01-Jan-2007
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Vulpia microstachys – Navarretia tagetina Association     Klein et al. 2007 no
Klein, Anne


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
Competition from exotics Low Competition from exotics
Grazing Low Grazing


User Defined Values
No User Defined Data for this plot