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SNNR0491
» Citation URL: http://vegbank.org/cite/urn:lsid:vegbank.org/vegbranch:observation:3488-{E9196CE9-ABB2-4617-BEFD-B134038D8908}
» Citing info
Plot ID Fields: 
Author Plot Code ? SNNR0491
Author Observation Code ? SNNR0491
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 ? 40.1338596353915 º
Longitude ? -121.697150717491 º
Author Location ? Lassen National Forest
Location Narrative ? Lassen National Forest. Large annual grassland stand on SE-facing slope ~0.5 miles south of Lassen Trail trailhead. Grassland occurs on mid to upper slopes. Scattered brush and trees occur within stand. Soil is gravelly with some areas of exposed rock on convex ridges.
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 ? large
Elevation ? 1144 m
Slope Aspect ? 154 º
Slope Gradient ? 24 º
Topographic Position ? Midslope
Rock Type ? pyroclastic, unspecified
Landscape Narrative ? upland
Percent Rock / Gravel ? 63 %
Percent Litter ? 10 %
Percent Bare Soil ? 25 %
Percent Water ? 0 %
Percent Other ? 2 %
Name Other ? BasalStemArea
Methods Fields: 
Observation Start Date ? 01-Jul-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: 
Shrub Height ? 0.75 m
Field Height ? 0.25 m
Shrub Cover ? 3 %
Field Cover ? 33 %
Dominant Stratum ? Herb
Misc Fields: 
--no data--
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 Lessingia Lessingia Cham. Lessingia lessingia Lessingia **   Lessingia Cham. Lessingia lessingia Lessingia **   low stratum
15 %
        -none-
2 Bromus hordeaceus Bromus hordeaceus L. Bromus hordeaceus soft brome Bromus hordeaceus **   Bromus hordeaceus L. Bromus hordeaceus soft brome Bromus hordeaceus **   low stratum
8 %
        -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 Avena barbata Avena barbata Pott ex Link Avena barbata slender oat Avena barbata **   Avena barbata Pott ex Link Avena barbata slender oat Avena barbata **   low stratum
4 %
        -none-
5 Ceanothus cuneatus Ceanothus cuneatus (Hook.) Nutt. Ceanothus cuneatus buckbrush Ceanothus cuneatus **   Ceanothus cuneatus (Hook.) Nutt. Ceanothus cuneatus buckbrush Ceanothus cuneatus **   low stratum
3 %
        -none-
6 Bromus tectorum Bromus tectorum L. Bromus tectorum cheatgrass Bromus tectorum **   Bromus tectorum L. Bromus tectorum cheatgrass Bromus tectorum **   low stratum
1 %
        -none-
7 Minuartia Minuartia L. Minuartia stitchwort Minuartia **   Minuartia L. Minuartia stitchwort Minuartia **   low stratum
1 %
        -none-
8 Polygonum Polygonum L. Polygonum knotweed Polygonum **   Polygonum L. Polygonum knotweed Polygonum **   low stratum
1 %
        -none-
9 Trifolium Trifolium L. Trifolium clover Trifolium **   Trifolium L. Trifolium clover Trifolium **   low stratum
0.2 %
        -none-
10 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
0.2 %
        -none-
11 Linanthus ciliatus Linanthus ciliatus (Benth.) Greene Linanthus ciliatus whiskerbrush Linanthus ciliatus **   Linanthus ciliatus (Benth.) Greene Linanthus ciliatus whiskerbrush Linanthus ciliatus **   low stratum
0.2 %
        -none-
12 Vulpia microstachys Vulpia microstachys (Nutt.) Munro Vulpia microstachys small fescue Vulpia microstachys **   Vulpia microstachys (Nutt.) Munro Vulpia microstachys small fescue Vulpia microstachys **   low stratum
0.2 %
        -none-
13 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
0.2 %
        -none-
14 Achnatherum lemmonii Achnatherum lemmonii (Swallen) Barkworth Achnatherum lemmonii Lemmon's needlegrass Achnatherum lemmonii **   Achnatherum lemmonii (Swallen) Barkworth Achnatherum lemmonii Lemmon's needlegrass Achnatherum lemmonii **   low stratum
0.2 %
        -none-
15 Chorizanthe membranacea Chorizanthe membranacea Benth. Chorizanthe membranacea pink spineflower Chorizanthe membranacea **   Chorizanthe membranacea Benth. Chorizanthe membranacea pink spineflower Chorizanthe membranacea **   low stratum
0.2 %
        -none-
16 Bromus madritensis Bromus madritensis L. Bromus madritensis compact brome Bromus madritensis **   Bromus madritensis L. Bromus madritensis compact brome Bromus madritensis **   low stratum
0.2 %
        -none-
17 Elymus elymoides Elymus elymoides (Raf.) Swezey Elymus elymoides squirreltail Elymus elymoides **   Elymus elymoides (Raf.) Swezey Elymus elymoides squirreltail Elymus elymoides **   low stratum
0.2 %
        -none-
18 Poa secunda Poa secunda J. Presl Poa secunda Sandberg bluegrass Poa secunda **   Poa secunda J. Presl Poa secunda Sandberg bluegrass Poa secunda **   low stratum
0.2 %
        -none-
19 Selaginella Selaginella Beauv. Selaginella spikemoss Selaginella **   Selaginella Beauv. Selaginella spikemoss Selaginella **   low stratum
0.2 %
        -none-
20 Quercus chrysolepis Quercus chrysolepis Liebm. Quercus chrysolepis canyon live oak Quercus chrysolepis **   Quercus chrysolepis Liebm. Quercus chrysolepis canyon live oak Quercus chrysolepis **   medium stratum
0.2 %
        -none-
21 Ceanothus cuneatus Ceanothus cuneatus (Hook.) Nutt. Ceanothus cuneatus buckbrush Ceanothus cuneatus **   Ceanothus cuneatus (Hook.) Nutt. Ceanothus cuneatus buckbrush Ceanothus cuneatus **   medium stratum
0.2 %
        -none-
22 Quercus chrysolepis Quercus chrysolepis Liebm. Quercus chrysolepis canyon live oak Quercus chrysolepis **   Quercus chrysolepis Liebm. Quercus chrysolepis canyon live oak Quercus chrysolepis **   tall 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 ?
tall stratum      
medium stratum      
low stratum      
tall shrub or understory tree 1 m 2 m 1 %
hardwood 5 m 10 m 0.2 %
conifer     0 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Taylor, Jeanne Plot contributor
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details  
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Vulpia microstachys – Elymus elymoides – Achnatherum lemmonii 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         Sandy Loams: Fine Sandy Loam               Medium to very fine, sandy loam


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


User Defined Values
Alternate Sample ID SNNR0491