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SNNR0091
» Citation URL: http://vegbank.org/cite/urn:lsid:vegbank.org/vegbranch:observation:3106-{AB46A054-9C64-4FD5-B11E-731A92A05EFA}
» Citing info
Plot ID Fields: 
Author Plot Code ? SNNR0091
Author Observation Code ? SNNR0091
Original Data Location ? Vegetation Classification and Mapping Program, California Dept of Fish and Wildlife, Sacramento, CA
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? exact location
Latitude ? 39.8021054940708 º
Longitude ? -121.719857889481 º
Author Location ? City of Chico, Upper Bidwell Park
Location Narrative ? The stand is in an area of herbaceous vegetation surrounded by Quercus spp. woodland. This survey covers only the SW portion of the "polygon" clearly visible in the air photo. The stand is on thin volcanic soil and is dominated by Allium, Vulpia microstachys, Polygonum bidwelliae, Selaginella, etc.
State or Province ? California
Country ? United States
Named Places
area|country|territory: United States
region|state|province: California
Layout Fields: 
Shape ? Plotless
Permanence ? not permanent
Environment Fields: 
Stand Size ? small
Elevation ? 408 m
Slope Aspect ? 230 º
Slope Gradient ? 10 º
Topographic Position ? High slope
Rock Type ? basalt
Landscape Narrative ? upland
Percent Rock / Gravel ? 30 %
Percent Litter ? 52 %
Percent Bare Soil ? 15 %
Percent Water ? 0 %
Percent Other ? 3 %
Name Other ? BasalStemArea
Methods Fields: 
Observation Start Date ? 26-May-2005
Project ? Northern Sierra Nevada Foothills
Cover Method ? Percentage (%)
Stratum Method ? CNPS/CDFW RA v. 2005
Cover Dispersion ? Entire
Overall Taxon Cover Values are Automatically Calculated? ? no
Plot Quality Fields: 
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields: 
Field Height ? 0.25 m
Shrub Cover ? 0 %
Field Cover ? 48 %
Dominant Stratum ? Herb
Misc Fields: 
Observation Narrative ? Unusual species encountered: Polygonum bidwelliae
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 Bromus hordeaceus Bromus hordeaceus L. Bromus hordeaceus soft brome Bromus hordeaceus **   Bromus hordeaceus L. Bromus hordeaceus soft brome Bromus hordeaceus **   low stratum
8 %
        -none-
2 Polygonum bidwelliae Polygonum bidwelliae S. Wats. Polygonum bidwelliae Bidwell's knotweed Polygonum bidwelliae **   Polygonum bidwelliae S. Wats. Polygonum bidwelliae Bidwell's knotweed Polygonum bidwelliae **   low stratum
5 %
        -none-
3 Petrorhagia dubia Petrorhagia dubia (Raf.) G. López & Romo Petrorhagia dubia hairypink Petrorhagia dubia **   Petrorhagia dubia (Raf.) G. López & Romo Petrorhagia dubia hairypink Petrorhagia dubia **   low stratum
5 %
        -none-
4 Plantago erecta Plantago erecta Morris Plantago erecta dotseed plantain Plantago erecta **   Plantago erecta Morris Plantago erecta dotseed plantain Plantago erecta **   low stratum
4 %
        -none-
5 Vulpia microstachys Vulpia microstachys (Nutt.) Munro Vulpia microstachys small fescue Vulpia microstachys **   Vulpia microstachys (Nutt.) Munro Vulpia microstachys small fescue Vulpia microstachys **   low stratum
3 %
        -none-
6 Centaurium venustum Centaurium venustum (Gray) B.L. Robins. Centaurium venustum charming centaury Centaurium venustum **   Centaurium venustum (Gray) B.L. Robins. Centaurium venustum charming centaury Centaurium venustum **   low stratum
3 %
        -none-
7 Clarkia purpurea Clarkia purpurea (W. Curtis) A. Nels. & J.F. Macbr. Clarkia purpurea winecup clarkia Clarkia purpurea **   Clarkia purpurea (W. Curtis) A. Nels. & J.F. Macbr. Clarkia purpurea winecup clarkia Clarkia purpurea **   low stratum
2 %
        -none-
8 Vulpia myuros Vulpia myuros (L.) K.C. Gmel. Vulpia myuros rat-tail fescue Vulpia myuros **   Vulpia myuros (L.) K.C. Gmel. Vulpia myuros rat-tail fescue Vulpia myuros **   low stratum
2 %
        -none-
9 Bromus madritensis Bromus madritensis L. Bromus madritensis compact brome Bromus madritensis **   Bromus madritensis L. Bromus madritensis compact brome Bromus madritensis **   low stratum
2 %
        -none-
10 Juncus bufonius Juncus bufonius L. Juncus bufonius toad rush Juncus bufonius **   Juncus bufonius L. Juncus bufonius toad rush Juncus bufonius **   low stratum
1 %
        -none-
11 Triphysaria eriantha ssp. eriantha Triphysaria eriantha (Benth.) Chuang & Heckard ssp. eriantha Triphysaria eriantha ssp. eriantha johnny-tuck Triphysaria eriantha ssp. eriantha **   Triphysaria eriantha (Benth.) Chuang & Heckard ssp. eriantha Triphysaria eriantha ssp. eriantha johnny-tuck Triphysaria eriantha ssp. eriantha **   low stratum
1 %
        -none-
12 Selaginella hansenii Selaginella hansenii Hieron. Selaginella hansenii Hansen's spikemoss Selaginella hansenii **   Selaginella hansenii Hieron. Selaginella hansenii Hansen's spikemoss Selaginella hansenii **   low stratum
1 %
        -none-
13 Allium amplectens Allium amplectens Torr. Allium amplectens narrowleaf onion Allium amplectens **   Allium amplectens Torr. Allium amplectens narrowleaf onion Allium amplectens **   low stratum
1 %
        -none-
14 Gastridium ventricosum Gastridium ventricosum auct. non (Gouan) Schinz & Thellung Gastridium ventricosum Gastridium ventricosum **   Gastridium ventricosum **   Gastridium ventricosum auct. non (Gouan) Schinz & Thellung Gastridium ventricosum Gastridium ventricosum **   Gastridium ventricosum **   low stratum
1 %
        -none-
15 Parvisedum pumilum Parvisedum pumilum (Benth.) Clausen Parvisedum pumilum Parvisedum pumilum **   Parvisedum pumilum **   Parvisedum pumilum (Benth.) Clausen Parvisedum pumilum Parvisedum pumilum **   Parvisedum pumilum **   low stratum
0.2 %
        -none-
16 Trichostema Trichostema L. Trichostema bluecurls Trichostema **   Trichostema L. Trichostema bluecurls Trichostema **   low stratum
0.2 %
        -none-
17 Brodiaea elegans ssp. elegans Brodiaea elegans Hoover ssp. elegans Brodiaea elegans ssp. elegans harvest brodiaea Brodiaea elegans ssp. elegans **   Brodiaea elegans Hoover ssp. elegans Brodiaea elegans ssp. elegans harvest brodiaea Brodiaea elegans ssp. elegans **   low stratum
0.2 %
        -none-
18 Centaurea solstitialis Centaurea solstitialis L. Centaurea solstitialis yellow star-thistle Centaurea solstitialis **   Centaurea solstitialis L. Centaurea solstitialis yellow star-thistle Centaurea solstitialis **   low stratum
0.2 %
        -none-
19 Navarretia tagetina Navarretia tagetina Greene Navarretia tagetina marigold pincushionplant Navarretia tagetina **   Navarretia tagetina Greene Navarretia tagetina marigold pincushionplant Navarretia tagetina **   low stratum
0.2 %
        -none-
20 Micropus californicus Micropus californicus Fisch. & C.A. Mey. Micropus californicus q tips Micropus californicus **   Micropus californicus Fisch. & C.A. Mey. Micropus californicus q tips Micropus californicus **   low stratum
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 ?
low stratum      
tall shrub or understory tree     0 %
hardwood     0 %
conifer     0 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Kentner, Ed Plot contributor
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details  
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Vulpia microstachys – Navarretia tagetina Association       no
Klein, Anne


Soil Observations:
Soil Horizon ?Soil Depth Top ?Soil Depth Bottom ?Soil Color ?Soil Organic ?Soil Texture ?Soil Sand ?Soil Silt ?Soil Clay ?Soil Coarse ?Soil PH ?Exchange Capacity ?Base Saturation ?Soil Description ?
A         Loam               Medium loam


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
Natural, general High Competition from exotics


User Defined Values
Alternate Sample ID SNNR0091