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YUBRIV25
» Citation URL: http://vegbank.org/cite/urn:lsid:vegbank.org/vegbranch:observation:3540-{381991EA-B650-4BA4-8990-AA6E37AC51EE}
» Citing info
Plot ID Fields: 
Author Plot Code ? YUBRIV25
Author Observation Code ? YUBRIV25
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 ? 39.2908661997708 º
Longitude ? -121.196800996047 º
Author Location ? South Yuba River State Park
Location Narrative ? CDPR and ACOE lands along the Yuba River: A fairly typical California Annual Grassland in an open field near the cemetery and the visitor center. The stand is mostly dominated by Bromus hordeaceus, with patches where other species dominate. Where the stand continues on the other side of the road, there's a heavy infestation of star thistle. Much of the vegetation is already fallen over as thatch now, thus, the high cover.
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 ? 173 m
Slope Aspect ? (n/a, too irregular to determine) º
Slope Gradient ? 1 º
Topographic Position ? Lowslope
Rock Type ? granite
Landscape Narrative ? upland
Percent Rock / Gravel ? 6 %
Percent Litter ? 75 %
Percent Bare Soil ? 15 %
Percent Water ? 0 %
Percent Other ? 4 %
Name Other ? BasalStemArea
Methods Fields: 
Observation Start Date ? 14-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: 
Shrub Height ? 0.75 m
Field Height ? 0.25 m
Shrub Cover ? 1 %
Field Cover ? 80 %
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 Bromus hordeaceus Bromus hordeaceus L. Bromus hordeaceus soft brome Bromus hordeaceus **   Bromus hordeaceus L. Bromus hordeaceus soft brome Bromus hordeaceus **   low stratum
35 %
        -none-
2 Bromus diandrus Bromus diandrus Roth Bromus diandrus ripgut brome Bromus diandrus **   Bromus diandrus Roth Bromus diandrus ripgut brome Bromus diandrus **   low stratum
15 %
        -none-
3 Centaurea solstitialis Centaurea solstitialis L. Centaurea solstitialis yellow star-thistle Centaurea solstitialis **   Centaurea solstitialis L. Centaurea solstitialis yellow star-thistle Centaurea solstitialis **   low stratum
15 %
        -none-
4 Convolvulus arvensis Convolvulus arvensis L. Convolvulus arvensis field bindweed Convolvulus arvensis **   Convolvulus arvensis L. Convolvulus arvensis field bindweed Convolvulus arvensis **   low stratum
8 %
        -none-
5 Avena fatua Avena fatua L. Avena fatua wild oat Avena fatua **   Avena fatua L. Avena fatua wild oat Avena fatua **   low stratum
7 %
        -none-
6 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
4 %
        -none-
7 Aegilops triuncialis Aegilops triuncialis L. Aegilops triuncialis barbed goatgrass Aegilops triuncialis **   Aegilops triuncialis L. Aegilops triuncialis barbed goatgrass Aegilops triuncialis **   low stratum
1 %
        -none-
8 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-
9 Marrubium vulgare Marrubium vulgare L. Marrubium vulgare horehound Marrubium vulgare **   Marrubium vulgare L. Marrubium vulgare horehound Marrubium vulgare **   low stratum
1 %
        -none-
10 Dactylis glomerata Dactylis glomerata L. Dactylis glomerata orchardgrass Dactylis glomerata **   Dactylis glomerata L. Dactylis glomerata orchardgrass Dactylis glomerata **   low stratum
1 %
        -none-
11 Cynosurus echinatus Cynosurus echinatus L. Cynosurus echinatus bristly dogstail grass Cynosurus echinatus **   Cynosurus echinatus L. Cynosurus echinatus bristly dogstail grass Cynosurus echinatus **   low stratum
0.2 %
        -none-
12 Rubus discolor Rubus discolor Weihe & Nees Rubus discolor Himalayan blackberry Rubus discolor **   Rubus discolor Weihe & Nees Rubus discolor Himalayan blackberry Rubus discolor **   low stratum
0.2 %
        -none-
13 Lolium multiflorum Lolium multiflorum Lam. Lolium multiflorum Lolium multiflorum **   Lolium multiflorum **   Lolium multiflorum Lam. Lolium multiflorum Lolium multiflorum **   Lolium multiflorum **   low stratum
0.2 %
        -none-
14 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-
15 Polypogon monspeliensis Polypogon monspeliensis (L.) Desf. Polypogon monspeliensis annual rabbitsfoot grass Polypogon monspeliensis **   Polypogon monspeliensis (L.) Desf. Polypogon monspeliensis annual rabbitsfoot grass Polypogon monspeliensis **   low stratum
0.2 %
        -none-
16 Erodium botrys Erodium botrys (Cav.) Bertol. Erodium botrys longbeak stork's bill Erodium botrys **   Erodium botrys (Cav.) Bertol. Erodium botrys longbeak stork's bill Erodium botrys **   low stratum
0.2 %
        -none-
17 Silybum marianum Silybum marianum (L.) Gaertn. Silybum marianum blessed milkthistle Silybum marianum **   Silybum marianum (L.) Gaertn. Silybum marianum blessed milkthistle Silybum marianum **   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 ?
Bibbo, Mark 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         Sandy Loams: Coarse Sandy Loam               Moderately coarse, sandy loam


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


User Defined Values
Alternate Sample ID SNNR1380