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SNFN0103
» Citation URL: http://vegbank.org/cite/urn:lsid:vegtwig.vegbank.org:observation:6873-{E2620ECB-FC6F-4611-99BA-6F65CAE80D09}
» Citing info
Plot ID Fields: 
Author Plot Code ? SNFN0103
Author Observation Code ? SNFN0103
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 ? 38.9698283194188 º
Longitude ? -121.201855427691 º
Author Location ? Hidden Falls Regional Park, Placer County
Location Narrative ? Spear's Ranch, Placer County. Black oak woodland on north-facing slope above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. Stand occurs in a band running east to west across several ridges and small drainages. Density of Pinus sabiniana, Quercus wislizeni, and Quercus douglasii vary across stand. Fairly consistent cover of Quercus kelloggii in overstory.; Former ranch, currently grazed. Recently purchased by Placer County from rancher. Eventually will be open to the public.
State or Province ? California
Country ? United States
Named Places
region|state|province: California
area|country|territory: United States
Layout Fields: 
Shape ? circle
Area ? 1000
Placement Method ? Representative
Permanence ? not permanent
Layout Narrative ? 35.68 m diameter
Environment Fields: 
Stand Size ? large
Elevation ? 169 m
Slope Aspect ? 359 º
Slope Gradient ? 22 º
Topographic Position ? Lower 1/3 of slope
Surficial Deposits ? Igneous (type unknown)
Rock Type ? Igneous (type unknown)
Landscape Narrative ? upland; Montane Hardwood; Coarse fragments "other" = moss (2%)
Percent Bedrock ? 0 %
Percent Rock / Gravel ? 0.6 %
Percent Litter ? 90 %
Percent Bare Soil ? 5 %
Percent Other ? 5 %
Name Other ? incl.other surf.& living stems
Methods Fields: 
Observation Start Date ? 11-Apr-2005 ± exact
Date Accuracy ? exact
Project ? northern Sierra Foothills releves
Cover Method ? Percentage (%)
Stratum Method ? CA Native Plant Society (CNPS)
Taxon Observation Area ? 1000
Cover Dispersion ? Entire
Overall Taxon Cover Values are Automatically Calculated? ? no
Stem Observation Area ? 1000
Plot Quality Fields: 
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields: 
Nonvascular Cover ? 2 %
Misc Fields: 
Observation Narrative ? cited in Klein et al. 2007 as SNFN0103
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 Quercus wislizeni Quercus wislizeni A. DC. Quercus wislizeni Quercus wislizeni **   QUWI2 Quercus wislizeni A. DC. Quercus wislizeni Quercus wislizeni **   QUWI2 Medium
1 %
        -none-
2 Quercus douglasii Quercus douglasii Hook. & Arn. Quercus douglasii Quercus douglasii **   QUDO Quercus douglasii Hook. & Arn. Quercus douglasii Quercus douglasii **   QUDO Medium
0.2 %
        -none-
3 Pinus sabiniana Pinus sabiniana Douglas ex Douglas Pinus sabiniana Pinus sabiniana **   PISA2 Pinus sabiniana Douglas ex Douglas Pinus sabiniana Pinus sabiniana **   PISA2 Medium
0.2 %
        -none-
4 Bromus diandrus Bromus diandrus Roth Bromus diandrus Bromus diandrus **   BRDI3 Bromus diandrus Roth Bromus diandrus Bromus diandrus **   BRDI3 Low
15 %
        -none-
5 Torilis arvensis Torilis arvensis (Huds.) Link Torilis arvensis Torilis arvensis **   TOAR Torilis arvensis (Huds.) Link Torilis arvensis Torilis arvensis **   TOAR Low
12 %
        -none-
6 Geranium molle Geranium molle L. Geranium molle Geranium molle **   GEMO Geranium molle L. Geranium molle Geranium molle **   GEMO Low
3 %
        -none-
7 Trifolium microcephalum Trifolium microcephalum Pursh Trifolium microcephalum Trifolium microcephalum **   TRMI4 Trifolium microcephalum Pursh Trifolium microcephalum Trifolium microcephalum **   TRMI4 Low
2 %
        -none-
8 Moss Moss **   Bryophyta Mosses Moss **   Moss **   Bryophyta Mosses Moss **   Low
2 %
        -none-
9 Claytonia parviflora Claytonia parviflora Douglas ex Hook. Claytonia parviflora Claytonia parviflora **   CLPA5 Claytonia parviflora Douglas ex Hook. Claytonia parviflora Claytonia parviflora **   CLPA5 Low
1 %
        -none-
10 Toxicodendron diversilobum Toxicodendron diversilobum (Torr. & A. Gray) Greene Toxicodendron diversilobum Toxicodendron diversilobum **   TODI Toxicodendron diversilobum (Torr. & A. Gray) Greene Toxicodendron diversilobum Toxicodendron diversilobum **   TODI Low
1 %
        -none-
11 Collinsia Collinsia Nutt. Collinsia Collinsia **   COLLI Collinsia Nutt. Collinsia Collinsia **   COLLI Low
1 %
        -none-
12 Vicia sativa Vicia sativa L. Vicia sativa Vicia sativa **   VISA Vicia sativa L. Vicia sativa Vicia sativa **   VISA Low
1 %
        -none-
13 Ranunculus occidentalis Ranunculus occidentalis Nutt. Ranunculus occidentalis Ranunculus occidentalis **   RAOC Ranunculus occidentalis Nutt. Ranunculus occidentalis Ranunculus occidentalis **   RAOC Low
1 %
        -none-
14 Cynosurus echinatus Cynosurus echinatus L. Cynosurus echinatus Cynosurus echinatus **   CYEC Cynosurus echinatus L. Cynosurus echinatus Cynosurus echinatus **   CYEC Low
1 %
        -none-
15 Avena fatua Avena fatua L. Avena fatua Avena fatua **   AVFA Avena fatua L. Avena fatua Avena fatua **   AVFA Low
0.2 %
        -none-
16 Trifolium oliganthum Trifolium oliganthum Steud. Trifolium oliganthum Trifolium oliganthum **   TROL Trifolium oliganthum Steud. Trifolium oliganthum Trifolium oliganthum **   TROL Low
0.2 %
        -none-
17 Sanicula crassicaulis Sanicula crassicaulis Poepp. ex DC. Sanicula crassicaulis Sanicula crassicaulis **   SACR2 Sanicula crassicaulis Poepp. ex DC. Sanicula crassicaulis Sanicula crassicaulis **   SACR2 Low
0.2 %
        -none-
18 Bromus hordeaceus Bromus hordeaceus L. Bromus hordeaceus Bromus hordeaceus **   BRHO2 Bromus hordeaceus L. Bromus hordeaceus Bromus hordeaceus **   BRHO2 Low
0.2 %
        -none-
19 Calystegia Calystegia R. Br. Calystegia Calystegia **   CALYS Calystegia R. Br. Calystegia Calystegia **   CALYS Low
0.2 %
        -none-
20 Daucus pusillus Daucus pusillus Michx. Daucus pusillus Daucus pusillus **   DAPU3 Daucus pusillus Michx. Daucus pusillus Daucus pusillus **   DAPU3 Low
0.2 %
        -none-
21 Geranium dissectum Geranium dissectum L. Geranium dissectum Geranium dissectum **   GEDI Geranium dissectum L. Geranium dissectum Geranium dissectum **   GEDI Low
0.2 %
        -none-
22 Lathyrus sulphureus Lathyrus sulphureus W.H. Brewer ex A. Gray Lathyrus sulphureus Lathyrus sulphureus **   LASU Lathyrus sulphureus W.H. Brewer ex A. Gray Lathyrus sulphureus Lathyrus sulphureus **   LASU 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 Sherardia arvensis Sherardia arvensis L. Sherardia arvensis Sherardia arvensis **   SHAR2 Sherardia arvensis L. Sherardia arvensis Sherardia arvensis **   SHAR2 Low
0.2 %
        -none-
25 Dichelostemma capitatum ssp. capitatum Dichelostemma capitatum (Benth.) Alph. Wood ssp. capitatum Dichelostemma capitatum ssp. capitatum Dichelostemma capitatum ssp. capitatum **   DICAC5 Dichelostemma capitatum (Benth.) Alph. Wood ssp. capitatum Dichelostemma capitatum ssp. capitatum Dichelostemma capitatum ssp. capitatum **   DICAC5 Low
0.2 %
        -none-
26 Carduus pycnocephalus Carduus pycnocephalus L. Carduus pycnocephalus Carduus pycnocephalus **   CAPY2 Carduus pycnocephalus L. Carduus pycnocephalus Carduus pycnocephalus **   CAPY2 Low
0.2 %
        -none-
27 Calochortus albus Calochortus albus Douglas ex Benth. Calochortus albus Calochortus albus **   CAAL2 Calochortus albus Douglas ex Benth. Calochortus albus Calochortus albus **   CAAL2 Low
0.2 %
        -none-
28 Euphorbia spathulata Euphorbia spathulata Lam. Euphorbia spathulata Euphorbia spathulata **   EUSP Euphorbia spathulata Lam. Euphorbia spathulata Euphorbia spathulata **   EUSP Low
0.2 %
        -none-
29 Dichelostemma volubile Dichelostemma volubile (Kellogg) A. Heller Dichelostemma volubile Dichelostemma volubile **   DIVO Dichelostemma volubile (Kellogg) A. Heller Dichelostemma volubile Dichelostemma volubile **   DIVO Low
0.2 %
        -none-
30 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-
31 Elymus glaucus Elymus glaucus Buckley Elymus glaucus Elymus glaucus **   ELGL Elymus glaucus Buckley Elymus glaucus Elymus glaucus **   ELGL Low
0.2 %
        -none-
32 Quercus douglasii Quercus douglasii Hook. & Arn. Quercus douglasii Quercus douglasii **   QUDO Quercus douglasii Hook. & Arn. Quercus douglasii Quercus douglasii **   QUDO Low
0.2 %
        -none-
33 Lonicera Lonicera L. Lonicera Lonicera **   LONIC Lonicera L. Lonicera Lonicera **   LONIC Low
0.2 %
        -none-
34 Lithophragma bolanderi Lithophragma bolanderi A. Gray Lithophragma bolanderi Lithophragma bolanderi **   LIBO5 Lithophragma bolanderi A. Gray Lithophragma bolanderi Lithophragma bolanderi **   LIBO5 Low
0.2 %
        -none-
35 Luzula comosa Luzula comosa E. Mey. Luzula comosa Luzula comosa **   LUCO6 Luzula comosa E. Mey. Luzula comosa Luzula comosa **   LUCO6 Low
0.2 %
        -none-
36 Linanthus Linanthus Benth. Linanthus Linanthus **   LINAN2 Linanthus Benth. Linanthus Linanthus **   LINAN2 Low
0.2 %
        -none-
37 Quercus kelloggii Quercus kelloggii Newberry Quercus kelloggii Quercus kelloggii **   QUKE Quercus kelloggii Newberry Quercus kelloggii Quercus kelloggii **   QUKE Low
0.2 %
        -none-
38 Achillea millefolium Achillea millefolium L. Achillea millefolium Achillea millefolium **   ACMI2 Achillea millefolium L. Achillea millefolium Achillea millefolium **   ACMI2 Low
0.2 %
        -none-
39 Triteleia laxa Triteleia laxa Benth. Triteleia laxa Triteleia laxa **   TRLA16 Triteleia laxa Benth. Triteleia laxa Triteleia laxa **   TRLA16 Low
0.2 %
        -none-
40 Sanicula bipinnatifida Sanicula bipinnatifida Douglas ex Hook. Sanicula bipinnatifida Sanicula bipinnatifida **   SABI3 Sanicula bipinnatifida Douglas ex Hook. Sanicula bipinnatifida Sanicula bipinnatifida **   SABI3 Low
0.2 %
        -none-
41 Pentagramma triangularis Pentagramma triangularis (Kaulf.) Yatsk., Windham & E. Wollenw. Pentagramma triangularis Pentagramma triangularis **   PETR7 Pentagramma triangularis (Kaulf.) Yatsk., Windham & E. Wollenw. Pentagramma triangularis Pentagramma triangularis **   PETR7 Low
0.2 %
        -none-
42 Triteleia ixioides Triteleia ixioides (W.T. Aiton) Greene Triteleia ixioides Triteleia ixioides **   TRIX Triteleia ixioides (W.T. Aiton) Greene Triteleia ixioides Triteleia ixioides **   TRIX Low
0.2 %
        -none-
43 Trifolium dubium Trifolium dubium Sibth. Trifolium dubium Trifolium dubium **   TRDU2 Trifolium dubium Sibth. Trifolium dubium Trifolium dubium **   TRDU2 Low
0.2 %
        -none-
44 Galium aparine Galium aparine L. Galium aparine Galium aparine **   GAAP2 Galium aparine L. Galium aparine Galium aparine **   GAAP2 Low
0.2 %
        -none-
45 Bromus carinatus Bromus carinatus Hook. & Arn. Bromus carinatus Bromus carinatus **   BRCA5 Bromus carinatus Hook. & Arn. Bromus carinatus Bromus carinatus **   BRCA5 Low
0.2 %
        -none-
46 Galium porrigens Galium porrigens Dempster Galium porrigens Galium porrigens **   GAPO Galium porrigens Dempster Galium porrigens Galium porrigens **   GAPO Low
0.2 %
        -none-
47 Ranunculus californicus Ranunculus californicus Benth. Ranunculus californicus Ranunculus californicus **   RACA2 Ranunculus californicus Benth. Ranunculus californicus Ranunculus californicus **   RACA2 Low
0.2 %
        -none-
48 Pinus sabiniana Pinus sabiniana Douglas ex Douglas Pinus sabiniana Pinus sabiniana **   PISA2 Pinus sabiniana Douglas ex Douglas Pinus sabiniana Pinus sabiniana **   PISA2 Low
0.2 %
        -none-
49 Chlorogalum pomeridianum Chlorogalum pomeridianum (DC.) Kunth Chlorogalum pomeridianum Chlorogalum pomeridianum **   CHPO3 Chlorogalum pomeridianum (DC.) Kunth Chlorogalum pomeridianum Chlorogalum pomeridianum **   CHPO3 Low
0.2 %
        -none-
50 Hordeum murinum Hordeum murinum L. Hordeum murinum Hordeum murinum **   HOMU Hordeum murinum L. Hordeum murinum Hordeum murinum **   HOMU Low
0.2 %
        -none-
51 Poa secunda Poa secunda J. Presl Poa secunda Poa secunda **   POSE Poa secunda J. Presl Poa secunda Poa secunda **   POSE Low
0.2 %
        -none-
52 Quercus kelloggii Quercus kelloggii Newberry Quercus kelloggii Quercus kelloggii **   QUKE Quercus kelloggii Newberry Quercus kelloggii Quercus kelloggii **   QUKE Tall
18 %
        -none-
53 Quercus douglasii Quercus douglasii Hook. & Arn. Quercus douglasii Quercus douglasii **   QUDO Quercus douglasii Hook. & Arn. Quercus douglasii Quercus douglasii **   QUDO Tall
6 %
        -none-
54 Pinus sabiniana Pinus sabiniana Douglas ex Douglas Pinus sabiniana Pinus sabiniana **   PISA2 Pinus sabiniana Douglas ex Douglas Pinus sabiniana Pinus sabiniana **   PISA2 Tall
1 %
        -none-
55 Quercus lobata Quercus lobata Née Quercus lobata Quercus lobata **   QULO Quercus lobata Née Quercus lobata Quercus lobata **   QULO Tall
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 40 %
Medium 0.5 m 5 m 1 %
Tall 5 m   24 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Mendezona, Arren Field assistant
Taylor, Jeanne Field assistant
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 01-Jan-2007
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Quercus kelloggii / Toxicodendron diversilobum / Grass Association     Klein et al. 2007 no
Klein, Anne


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


User Defined Values
No User Defined Data for this plot