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SAMO2206
» Citation URL: http://vegbank.org/cite/urn:lsid:vegtwig.vegbank.org:observation:4210-{449256BC-C8A1-44A8-9295-10BCDAB1B43B}
» Citing info
Plot ID Fields: 
Author Plot Code ? SAMO2206
Author Observation Code ? SAMO2206
Original Data Location ? SAMO NPS Headquarters, 401 West Hillcrest Drive, Thousand Oaks, CA
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? exact location
Latitude ? 34.0642174829008 º
Longitude ? -118.692584626017 º
Author Location ? Malibu Creek State Park
Location Narrative ? Polygon within tight steep drainage. Quercus agrifolia , Platanus racemosa, Alnus rhombifolia all close as far as % cover. However, Quercus agrifolia is primarily out of the immediate drainage.
State or Province ? California
Country ? United States
Named Places
region|state|province: California
area|country|territory: United States
Layout Fields: 
Shape ? Plotless
Placement Method ? Representative
Permanence ? not permanent
Environment Fields: 
Stand Size ? large
Elevation ? 71 m
Slope Aspect ? 240 º
Min Slope Gradient ? 25 º
Topographic Position ? Lower to Middle 1/3 of slope
Surficial Deposits ? Sandstone
Rock Type ? Sandstone
Landscape Narrative ? Upland;
Percent Rock / Gravel ? 15 %
Percent Litter ? 0 %
Percent Bare Soil ? 0 %
Methods Fields: 
Observation Start Date ? 19-Aug-2003 ± exact
Date Accuracy ? exact
Project ? SAMO (CNPS Rapid Assessment/Releve 2002)
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 ? 0.75 m
Tree Cover ? 54 %
Shrub Cover ? 1 %
Field Cover ? 0.2 %
Nonvascular Cover ? 0 %
Misc Fields: 
Observation Narrative ? original plot ID: rap2206, Vegetation type confidence Medium;
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 Keckiella cordifolia Keckiella cordifolia (Benth.) Straw Keckiella cordifolia Keckiella cordifolia **   KECO Keckiella cordifolia (Benth.) Straw Keckiella cordifolia Keckiella cordifolia **   KECO Medium
1 %
        -none-
2 Quercus agrifolia Quercus agrifolia Née Quercus agrifolia Quercus agrifolia **   QUAG Quercus agrifolia Née Quercus agrifolia Quercus agrifolia **   QUAG Medium
1 %
        -none-
3 Scirpus californicus Scirpus californicus (C.A. Mey.) Steud. Scirpus californicus Scirpus californicus **   SCCA Scirpus californicus (C.A. Mey.) Steud. Scirpus californicus Scirpus californicus **   SCCA Medium
0.2 %
        -none-
4 Muhlenbergia rigens Muhlenbergia rigens (Benth.) Hitchc. Muhlenbergia rigens Muhlenbergia rigens **   MURI2 Muhlenbergia rigens (Benth.) Hitchc. Muhlenbergia rigens Muhlenbergia rigens **   MURI2 Medium
0.2 %
        -none-
5 Populus fremontii Populus fremontii S. Watson Populus fremontii Populus fremontii **   POFR2 Populus fremontii S. Watson Populus fremontii Populus fremontii **   POFR2 Medium
0.2 %
        -none-
6 Platanus racemosa Platanus racemosa Nutt. Platanus racemosa Platanus racemosa **   PLRA Platanus racemosa Nutt. Platanus racemosa Platanus racemosa **   PLRA Medium
0.2 %
        -none-
7 Ceanothus spinosus Ceanothus spinosus Nutt. Ceanothus spinosus Ceanothus spinosus **   CESP Ceanothus spinosus Nutt. Ceanothus spinosus Ceanothus spinosus **   CESP Medium
0.2 %
        -none-
8 Carex spissa Carex spissa L.H. Bailey Carex spissa Carex spissa **   CASP6 Carex spissa L.H. Bailey Carex spissa Carex spissa **   CASP6 Medium
0.2 %
        -none-
9 Eriogonum cinereum Eriogonum cinereum Benth. Eriogonum cinereum Eriogonum cinereum **   ERCI5 Eriogonum cinereum Benth. Eriogonum cinereum Eriogonum cinereum **   ERCI5 Medium
0.2 %
        -none-
10 Piptatherum miliaceum Piptatherum miliaceum (L.) Coss. Piptatherum miliaceum Piptatherum miliaceum **   PIMI3 Piptatherum miliaceum (L.) Coss. Piptatherum miliaceum Piptatherum miliaceum **   PIMI3 Medium
0.2 %
        -none-
11 Heteromeles arbutifolia Heteromeles arbutifolia (Lindl.) M. Roem. Heteromeles arbutifolia Heteromeles arbutifolia **   HEAR5 Heteromeles arbutifolia (Lindl.) M. Roem. Heteromeles arbutifolia Heteromeles arbutifolia **   HEAR5 Medium
0.2 %
        -none-
12 Rubus ursinus Rubus ursinus Cham. & Schltdl. Rubus ursinus Rubus ursinus **   RUUR Rubus ursinus Cham. & Schltdl. Rubus ursinus Rubus ursinus **   RUUR Medium
0.2 %
        -none-
13 Leymus condensatus Leymus condensatus (J. Presl) A. Löve Leymus condensatus Leymus condensatus **   LECO12 Leymus condensatus (J. Presl) A. Löve Leymus condensatus Leymus condensatus **   LECO12 Medium
0.2 %
        -none-
14 Juglans californica Juglans californica S. Watson Juglans californica Juglans californica **   JUCA Juglans californica S. Watson Juglans californica Juglans californica **   JUCA Medium
0.2 %
        -none-
15 Adiantum capillus-veneris Adiantum capillus-veneris L. Adiantum capillus-veneris Adiantum capillus-veneris **   ADCA Adiantum capillus-veneris L. Adiantum capillus-veneris Adiantum capillus-veneris **   ADCA Low
0.2 %
        -none-
16 Mimulus cardinalis Mimulus cardinalis Douglas ex Benth. Mimulus cardinalis Mimulus cardinalis **   MICA3 Mimulus cardinalis Douglas ex Benth. Mimulus cardinalis Mimulus cardinalis **   MICA3 Low
0.2 %
        -none-
17 Epipactis gigantea Epipactis gigantea Douglas ex Hook. Epipactis gigantea Epipactis gigantea **   EPGI Epipactis gigantea Douglas ex Hook. Epipactis gigantea Epipactis gigantea **   EPGI Low
0.2 %
        -none-
18 Quercus agrifolia Quercus agrifolia Née Quercus agrifolia Quercus agrifolia **   QUAG Quercus agrifolia Née Quercus agrifolia Quercus agrifolia **   QUAG Tall
17 %
        -none-
19 Alnus rhombifolia Alnus rhombifolia Nutt. Alnus rhombifolia Alnus rhombifolia **   ALRH2 Alnus rhombifolia Nutt. Alnus rhombifolia Alnus rhombifolia **   ALRH2 Tall
16 %
        -none-
20 Platanus racemosa Platanus racemosa Nutt. Platanus racemosa Platanus racemosa **   PLRA Platanus racemosa Nutt. Platanus racemosa Platanus racemosa **   PLRA Tall
16 %
        -none-
21 Umbellularia californica Umbellularia californica (Hook. & Arn.) Nutt. Umbellularia californica Umbellularia californica **   UMCA Umbellularia californica (Hook. & Arn.) Nutt. Umbellularia californica Umbellularia californica **   UMCA Tall
1 %
        -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Stratum Type ?Stratum Base ?Stratum Height ?Stratum Cover ?
conifer tree     0 %
hardwood tree 5 m 10 m 54 %
Tall 5 m    
Medium 0.5 m 5 m  
Low 0 m 0.5 m  
Low-Mid Shrub 0.5 m 1 m  
Low Tree-Tall Shrub 1 m 2 m  
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Anderson, James Field assistant
McGraw, Mike Field assistant
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 01-Jun-2004
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Alnus rhombifolia - Platanus racemosa Forest     Keeler-Wolf and Evens 2006 no
Keeler-Wolf, Todd
Evens, Julie


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
Competition from exotics Low Competition from exotics
Other Low Old cable


User Defined Values
No User Defined Data for this plot