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LEIRCH02
» Citation URL: http://vegbank.org/cite/urn:lsid:vegtwig.vegbank.org:observation:1294-{658E3A69-852A-4B12-8872-386703F084C5}
» Citing info
Plot ID Fields: 
Author Plot Code ? LEIRCH02
Author Observation Code ? LEIRCH02
Original Data Location ? California Dept. of Fish and Wildlife, Vegetation Classification Program, Sacramento, CA
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? exact location
Latitude ? 39.9734566715295 º
Longitude ? -121.937168684075 º
Author Location ? Leininger Ranch, Tehama County
Location Narrative ? The plot is located near the southern boundary of the Leininger Ranch in an area identified in the Biophysical Unit analysis as not sampled in the 2005 season. It is on a gentle slope above a small intermittent creek and is just at the edge of the valley floor. The soil is very thin and there are numerous basalt cobbles throughout the area. The vegetation is dominated by native annual forbs and there are very few grasses in the stand.; The site is actively grazed by cattle and is under a conservation easement with the Nature Conservancy.
State or Province ? California
Country ? United States
Named Places
region|state|province: California
area|country|territory: United States
Layout Fields: 
Shape ? circle
Area ? 400
Placement Method ? Representative
Permanence ? not permanent
Layout Narrative ? 11.28 m radius
Environment Fields: 
Stand Size ? small
Elevation ? 125 m
Slope Aspect ? 100 º
Slope Gradient ? 6 º
Topographic Position ? Lower 1/3 of slope
Surficial Deposits ? Volcanic mud
Rock Type ? Volcanic mud
Landscape Narrative ? upland; Annual Grass; The Releve was conducted in the early spring and the vegetation will surely change as the season progresses. There are many stalks of what appears to be last year's Lessingia virgata in the stand.
Percent Bedrock ? 0 %
Percent Rock / Gravel ? 32 %
Percent Litter ? 2 %
Percent Bare Soil ? 29 %
Percent Other ? 2 %
Name Other ? incl.other surf.& living stems
Methods Fields: 
Observation Start Date ? 29-Mar-2006 ± exact
Date Accuracy ? exact
Project ? northern Sierra Foothills releves
Cover Method ? Percentage (%)
Stratum Method ? CA Native Plant Society (CNPS)
Taxon Observation Area ? 400
Cover Dispersion ? Entire
Overall Taxon Cover Values are Automatically Calculated? ? no
Stem Observation Area ? 400
Plot Quality Fields: 
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields: 
--no data--
Misc Fields: 
Observation Narrative ? cited in Klein et al. 2007 as SNFN0401
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 Moss Moss **   Bryophyta Mosses Moss **   Moss **   Bryophyta Mosses Moss **   Low
30 %
        -none-
2 Lasthenia californica Lasthenia californica DC. ex Lindl. Lasthenia californica Lasthenia californica **   LACA7 Lasthenia californica DC. ex Lindl. Lasthenia californica Lasthenia californica **   LACA7 Low
14 %
        -none-
3 Layia fremontii Layia fremontii (Torr. & A. Gray) A. Gray Layia fremontii Layia fremontii **   LAFR2 Layia fremontii (Torr. & A. Gray) A. Gray Layia fremontii Layia fremontii **   LAFR2 Low
3 %
        -none-
4 Brodiaea Brodiaea Sm. Brodiaea Brodiaea **   BRODI Brodiaea Sm. Brodiaea Brodiaea **   BRODI Low
2 %
        -none-
5 Bromus hordeaceus Bromus hordeaceus L. Bromus hordeaceus Bromus hordeaceus **   BRHO2 Bromus hordeaceus L. Bromus hordeaceus Bromus hordeaceus **   BRHO2 Low
2 %
        -none-
6 Micropus californicus Micropus californicus Fisch. & C.A. Mey. Micropus californicus Micropus californicus **   MICA Micropus californicus Fisch. & C.A. Mey. Micropus californicus Micropus californicus **   MICA Low
1 %
        -none-
7 Erodium botrys Erodium botrys (Cav.) Bertol. Erodium botrys Erodium botrys **   ERBO Erodium botrys (Cav.) Bertol. Erodium botrys Erodium botrys **   ERBO Low
1 %
        -none-
8 Minuartia californica Minuartia californica (A. Gray) Mattf. Minuartia californica Minuartia californica **   MICA7 Minuartia californica (A. Gray) Mattf. Minuartia californica Minuartia californica **   MICA7 Low
1 %
        -none-
9 Lotus wrangelianus Lotus wrangelianus Fisch. & C.A. Mey. Lotus wrangelianus Lotus wrangelianus **   LOWR2 Lotus wrangelianus Fisch. & C.A. Mey. Lotus wrangelianus Lotus wrangelianus **   LOWR2 Low
0.2 %
        -none-
10 Pogogyne ziziphoroides Pogogyne ziziphoroides Benth. Pogogyne ziziphoroides Pogogyne ziziphoroides **   POZI Pogogyne ziziphoroides Benth. Pogogyne ziziphoroides Pogogyne ziziphoroides **   POZI Low
0.2 %
        -none-
11 Chlorogalum angustifolium Chlorogalum angustifolium Kellogg Chlorogalum angustifolium Chlorogalum angustifolium **   CHAN2 Chlorogalum angustifolium Kellogg Chlorogalum angustifolium Chlorogalum angustifolium **   CHAN2 Low
0.2 %
        -none-
12 Plantago erecta Plantago erecta Morris Plantago erecta Plantago erecta **   PLER3 Plantago erecta Morris Plantago erecta Plantago erecta **   PLER3 Low
0.2 %
        -none-
13 Lolium multiflorum Lolium multiflorum Lam. Lolium multiflorum Lolium multiflorum **   LOMU Lolium multiflorum Lam. Lolium multiflorum Lolium multiflorum **   LOMU Low
0.2 %
        -none-
14 Lepidium nitidum Lepidium nitidum Nutt. Lepidium nitidum Lepidium nitidum **   LENI Lepidium nitidum Nutt. Lepidium nitidum Lepidium nitidum **   LENI Low
0.2 %
        -none-
15 Plagiobothrys greenei Plagiobothrys greenei (A. Gray) I.M. Johnst. Plagiobothrys greenei Plagiobothrys greenei **   PLGR Plagiobothrys greenei (A. Gray) I.M. Johnst. Plagiobothrys greenei Plagiobothrys greenei **   PLGR Low
0.2 %
        -none-
16 Linanthus bicolor Linanthus bicolor (Nutt.) Greene Linanthus bicolor Linanthus bicolor **   LIBI Linanthus bicolor (Nutt.) Greene Linanthus bicolor Linanthus bicolor **   LIBI Low
0.2 %
        -none-
17 Chorizanthe polygonoides Chorizanthe polygonoides Torr. & A. Gray Chorizanthe polygonoides Chorizanthe polygonoides **   CHPO4 Chorizanthe polygonoides Torr. & A. Gray Chorizanthe polygonoides Chorizanthe polygonoides **   CHPO4 Low
0.2 %
        -none-
18 Dodecatheon clevelandii ssp. patulum Dodecatheon clevelandii Greene ssp. patulum (Greene) H.J. Thomp. Dodecatheon clevelandii ssp. patulum Dodecatheon clevelandii ssp. patulum **   DOCLP Dodecatheon clevelandii Greene ssp. patulum (Greene) H.J. Thomp. Dodecatheon clevelandii ssp. patulum Dodecatheon clevelandii ssp. patulum **   DOCLP Low
0.2 %
        -none-
19 Medicago polymorpha Medicago polymorpha L. Medicago polymorpha Medicago polymorpha **   MEPO3 Medicago polymorpha L. Medicago polymorpha Medicago polymorpha **   MEPO3 Low
0.2 %
        -none-
20 Navarretia Navarretia Ruiz & Pav. Navarretia Navarretia **   NAVAR Navarretia Ruiz & Pav. Navarretia Navarretia **   NAVAR Low
0.2 %
        -none-
21 Lessingia virgata Lessingia virgata A. Gray Lessingia virgata Lessingia virgata **   LEVI8 Lessingia virgata A. Gray Lessingia virgata Lessingia virgata **   LEVI8 Low
0.2 %
        -none-
22 Trifolium depauperatum Trifolium depauperatum Desv. Trifolium depauperatum Trifolium depauperatum **   TRDE Trifolium depauperatum Desv. Trifolium depauperatum Trifolium depauperatum **   TRDE Low
0.2 %
        -none-
23 Trifolium hirtum Trifolium hirtum All. Trifolium hirtum Trifolium hirtum **   TRHI4 Trifolium hirtum All. Trifolium hirtum Trifolium hirtum **   TRHI4 Low
0.2 %
        -none-
24 Hypochaeris glabra Hypochaeris glabra L. Hypochaeris glabra Hypochaeris glabra **   HYGL2 Hypochaeris glabra L. Hypochaeris glabra Hypochaeris glabra **   HYGL2 Low
0.2 %
        -none-
25 Triphysaria eriantha ssp. eriantha Triphysaria eriantha (Benth.) T.I. Chuang & Heckard ssp. eriantha Triphysaria eriantha ssp. eriantha Triphysaria eriantha ssp. eriantha **   TRERE2 Triphysaria eriantha (Benth.) T.I. Chuang & Heckard ssp. eriantha Triphysaria eriantha ssp. eriantha Triphysaria eriantha ssp. eriantha **   TRERE2 Low
0.2 %
        -none-
26 Vulpia microstachys Vulpia microstachys (Nutt.) Munro Vulpia microstachys Vulpia microstachys **   VUMI Vulpia microstachys (Nutt.) Munro Vulpia microstachys Vulpia microstachys **   VUMI Low
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 0 m 0.5 m 18 %
Medium 0.5 m 5 m 0 %
Tall 5 m   0 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Brush, Rachel Field assistant
Kentner, Ed Field assistant
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 01-Jan-2007
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Vulpia microstachys – Lasthenia californica – Sedella pumila Association     Klein et al. 2007 no
Klein, Anne


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
Competition from exotics Low Competition from exotics
Grazing Medium Grazing


User Defined Values
No User Defined Data for this plot