WRIV0636
» Citation URL: http://vegbank.org/cite/urn:lsid:vegtwig.vegbank.org:observation:7275-{D16388B8-D9F0-4597-A581-090A887595E6} » Citing info
Plot ID Fields:
Author Plot Code	WRIV0636
Author Observation Code	WRIV0636
Original Data Location	California Dept. of Fish and Wildlife, Vegetation Classification and Mapping Program, Sacramento, CA
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status	exact location
Latitude	33.8363111244658 º
Longitude	-117.400951620939 º
Author Location	Lake Mathews
Location Narrative	Lake margin (N side) rimmed with a patch work of weedy communities. This patch is Xanthium strumarium. Slope very shallow. Area may be repeatedly flooded and exposed.
State or Province	California
Country	United States
Named Places	region|state|province: California area|country|territory: United States
Layout Fields:
Shape	Plotless
Permanence	not permanent
Environment Fields:
Stand Size	large
Elevation	424 m
Slope Aspect	160 º
Slope Gradient	1 º
Topographic Position	Bottom
Surficial Deposits	Mixed alluvium
Rock Type	Mixed alluvium
Landscape Narrative	Wetland; other vegetation in polygon: water; see surrounding surveys
Percent Rock / Gravel	2 %
Percent Litter	15 %
Percent Bare Soil	80 %
Methods Fields:
Observation Start Date	16-Apr-2003 ± exact
Date Accuracy	exact
Project	Western Riverside County Vegetation
Cover Method	Percentage (%)
Stratum Method	CA Native Plant Society (CNPS)
Cover Dispersion	Entire
Overall Taxon Cover Values are Automatically Calculated?	no
Plot Quality Fields:
Plot Validation Level	(1) occurrence plot: sufficient for determining type occurrence
Overall Plot Vegetation Fields:
Field Height	1.5 m
Tree Cover	0 %
Shrub Cover	6 %
Field Cover	32 %
Misc Fields:
Observation Narrative	original plot ID: LAMA.010, Xanthium strumarium vegetation; Vegetation type confidence: High; Vegetation change: Photo shows this point within the lake itself. Lake level fluctuates, so this point may be repeatedly flooded & exposed.

Taxa occurring on this plot-observation
Change plant label: --Choose a value-- Author's plant name Original Interpretation, full Scientific Name Original Interpretation, Scientific Name without authors Original Interpretation, USDA Code Original Interpretation, Common Name Current Interpretation, full Scientific Name Current Interpretation, Scientific Name without authors Current Interpretation, USDA Code Current Interpretation, Common Name
Change Strata Shown: --choose one-- show strata show overall cover show strata + overall
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 Xanthium strumarium Xanthium strumarium L. Xanthium strumarium Xanthium strumarium **   XAST Xanthium strumarium L. Xanthium strumarium Xanthium strumarium **   XAST Medium 23 %         -none- 2 Tamarix Tamarix L. Tamarix Tamarix **   TAMAR2 Tamarix L. Tamarix Tamarix **   TAMAR2 Medium 6 %         -none- 3 Baccharis salicifolia Baccharis salicifolia (Ruiz & Pav.) Pers. Baccharis salicifolia Baccharis salicifolia **   BASA4 Baccharis salicifolia (Ruiz & Pav.) Pers. Baccharis salicifolia Baccharis salicifolia **   BASA4 Medium 1 %         -none- 4 Polygonum Polygonum L. Polygonum Polygonum **   POLYG4 Polygonum L. Polygonum Polygonum **   POLYG4 Low 12 %         -none- 5 Plant Plant **   Plantae Plants Plant **   Plant **   Plantae Plants Plant **   Low 6 %         -none- 6 Rorippa palustris Rorippa palustris (L.) Besser Rorippa palustris Rorippa palustris **   ROPA2 Rorippa palustris (L.) Besser Rorippa palustris Rorippa palustris **   ROPA2 Low 2 %         -none- 7 Chenopodium glaucum ssp. salinum Chenopodium glaucum L. ssp. salinum (Standl.) Aellen Chenopodium glaucum ssp. salinum Chenopodium glaucum ssp. salinum **   CHGLS2 Chenopodium glaucum L. ssp. salinum (Standl.) Aellen Chenopodium glaucum ssp. salinum Chenopodium glaucum ssp. salinum **   CHGLS2 Low 1 %         -none- 8 Melilotus indicus Melilotus indicus (L.) All. Melilotus indicus Melilotus indicus **   MEIN2 Melilotus indicus (L.) All. Melilotus indicus Melilotus indicus **   MEIN2 Low 0.2 %         -none-
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Stratum Definitions:
Stratum Type Stratum Base Stratum Height Stratum Cover conifer tree     0 % hardwood tree     0 % Medium 0.5 m 5 m   Low 0 m 0.5 m   Low-Mid Shrub       Low Tree-Tall Shrub 1 m 2 m
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