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PLTPRE05
» Citation URL: http://vegbank.org/cite/urn:lsid:vegbank.org/vegbranch:observation:2955-{C099555F-F351-4EB0-8410-724DA58BCB2A}
» Citing info
Plot ID Fields: 
Author Plot Code ? PLTPRE05
Author Observation Code ? PLTPRE05
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 ? 38.9291389446895 º
Longitude ? -121.049932532651 º
Author Location ? Placer Land Trust, Canyon View Preserve
Location Narrative ? Canyon View Preserve and adjacent Auburn State Recreation Area lands: This is a large herbaceous stand dominated by Centaurea solstitialis with no tree/shrub cover. There is thick litter present and low diversity. The C. solstitialis is very tall and dense in patches.
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 ? 396 m
Slope Aspect ? (n/a, too irregular to determine) º
Min Slope Gradient ? 5 º
Max Slope Gradient ? 25 º
Topographic Position ? Midslope
Rock Type ? metamorphic, unspecified
Landscape Narrative ? upland
Percent Rock / Gravel ? 0.4 %
Percent Litter ? 77 %
Percent Bare Soil ? 20 %
Percent Water ? 0 %
Percent Other ? 3 %
Name Other ? BasalStemArea
Methods Fields: 
Observation Start Date ? 26-Jun-2006
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 ? 56 %
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 Centaurea solstitialis Centaurea solstitialis L. Centaurea solstitialis yellow star-thistle Centaurea solstitialis **   Centaurea solstitialis L. Centaurea solstitialis yellow star-thistle Centaurea solstitialis **   low stratum
45 %
        -none-
2 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
4 %
        -none-
3 Vicia villosa Vicia villosa Roth Vicia villosa winter vetch Vicia villosa **   Vicia villosa Roth Vicia villosa winter vetch Vicia villosa **   low stratum
3 %
        -none-
4 Bromus madritensis Bromus madritensis L. Bromus madritensis compact brome Bromus madritensis **   Bromus madritensis L. Bromus madritensis compact brome Bromus madritensis **   low stratum
3 %
        -none-
5 Torilis arvensis Torilis arvensis (Huds.) Link Torilis arvensis spreading hedgeparsley Torilis arvensis **   Torilis arvensis (Huds.) Link Torilis arvensis spreading hedgeparsley Torilis arvensis **   low stratum
1 %
        -none-
6 Bromus diandrus Bromus diandrus Roth Bromus diandrus ripgut brome Bromus diandrus **   Bromus diandrus Roth Bromus diandrus ripgut brome Bromus diandrus **   low stratum
1 %
        -none-
7 Taeniatherum caput-medusae Taeniatherum caput-medusae (L.) Nevski Taeniatherum caput-medusae medusahead Taeniatherum caput-medusae **   Taeniatherum caput-medusae (L.) Nevski Taeniatherum caput-medusae medusahead Taeniatherum caput-medusae **   low stratum
0.2 %
        -none-
8 Elymus glaucus Elymus glaucus Buckl. Elymus glaucus blue wildrye Elymus glaucus **   Elymus glaucus Buckl. Elymus glaucus blue wildrye Elymus glaucus **   low stratum
0.2 %
        -none-
9 Hypericum perforatum Hypericum perforatum L. Hypericum perforatum common St. Johnswort Hypericum perforatum **   Hypericum perforatum L. Hypericum perforatum common St. Johnswort Hypericum perforatum **   low stratum
0.2 %
        -none-
10 Madia gracilis Madia gracilis (Sm.) Keck & J. Clausen ex Applegate Madia gracilis grassy tarweed Madia gracilis **   Madia gracilis (Sm.) Keck & J. Clausen ex Applegate Madia gracilis grassy tarweed Madia gracilis **   low stratum
0.2 %
        -none-
11 Chlorogalum pomeridianum Chlorogalum pomeridianum (DC.) Kunth Chlorogalum pomeridianum wavyleaf soap plant Chlorogalum pomeridianum **   Chlorogalum pomeridianum (DC.) Kunth Chlorogalum pomeridianum wavyleaf soap plant Chlorogalum pomeridianum **   low stratum
0.2 %
        -none-
12 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
0.2 %
        -none-
13 Wyethia angustifolia Wyethia angustifolia (DC.) Nutt. Wyethia angustifolia California compassplant Wyethia angustifolia **   Wyethia angustifolia (DC.) Nutt. Wyethia angustifolia California compassplant Wyethia angustifolia **   low stratum
0.2 %
        -none-
14 Conyza canadensis Conyza canadensis (L.) Cronq. Conyza canadensis Canadian horseweed Conyza canadensis **   Conyza canadensis (L.) Cronq. Conyza canadensis Canadian horseweed Conyza canadensis **   low stratum
0.2 %
        -none-
15 Centaurium muehlenbergii Centaurium muehlenbergii (Griseb.) W. Wight ex Piper Centaurium muehlenbergii Muhlenberg's centaury Centaurium muehlenbergii **   Centaurium muehlenbergii (Griseb.) W. Wight ex Piper Centaurium muehlenbergii Muhlenberg's centaury Centaurium muehlenbergii **   low stratum
0.2 %
        -none-
16 Galium parisiense Galium parisiense L. Galium parisiense wall bedstraw Galium parisiense **   Galium parisiense L. Galium parisiense wall bedstraw Galium parisiense **   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 ?
Jensen, Nick Plot contributor
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details  
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Centaurea solstitialis Semi-natural 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         Silty Clay Loam               Moderately fine silty clay loam


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
Roads and vehicular traffic Low Road/trail construction/maint.
Natural, general High Competition from exotics


User Defined Values
Alternate Sample ID SNNR1261