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HATRCH15
» Citation URL: http://vegbank.org/cite/urn:lsid:vegtwig.vegbank.org:observation:1279-{8AD4EC7C-01C5-491C-8C4D-8D36741A93E9}
» Citing info
Plot ID Fields: 
Author Plot Code ? HATRCH15
Author Observation Code ? HATRCH15
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 ? 40.6270941106205 º
Longitude ? -122.138496452282 º
Author Location ? Hathaway Ranch, Shasta County
Location Narrative ? Plot is south of Swede Creek on a volcanic plateau on the Hathaway Ranch. Plot consists of herbaceous vegetation dominated by Eleocharis sp. and Eryngium castrense growing in a vernal pool. The pool is in a shallow basin surrounded by Quercus douglasii. There are several other vernal pools (of varying depths) in the small area that contains the surveyed pool to which it is connected hydrologically. The pool is bordered by Vulpia microstachys alliance to the south. Other pools in the immediate vicinity were not sampled due to lack of time (it is the end of the day). This pool appears to be the deepest pool in this complex of vernal pools.; Active cattle grazing with many hoof prints in the plot.
State or Province ? California
Country ? United States
Named Places
region|state|province: California
area|country|territory: United States
Layout Fields: 
Shape ? square
Area ? 10.9
Placement Method ? Representative
Permanence ? not permanent
Layout Narrative ? 3.3 m wide
Environment Fields: 
Stand Size ? small
Elevation ? 260 m
Slope Aspect ? (n/a, flat) º
Slope Gradient ? 0 º
Topographic Position ? Mesa/plateau
Surficial Deposits ? Volcanic flow
Rock Type ? Volcanic flow
Landscape Narrative ? wetland; Annual Grass; Hundreds of tree frogs in the plot. If Isoetes is present, it would be very difficult to find due to the high Eleocharis cover.
Percent Bedrock ? 0 %
Percent Rock / Gravel ? 12 %
Percent Litter ? 3 %
Percent Bare Soil ? 83 %
Percent Other ? 2 %
Name Other ? incl.other surf.& living stems
Methods Fields: 
Observation Start Date ? 10-Apr-2006 ± exact
Date Accuracy ? exact
Project ? northern Sierra Foothills releves
Cover Method ? Percentage (%)
Stratum Method ? CA Native Plant Society (CNPS)
Taxon Observation Area ? 10.9
Cover Dispersion ? Entire
Overall Taxon Cover Values are Automatically Calculated? ? no
Stem Observation Area ? 10.9
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 SNFN0374
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 Eleocharis acicularis Eleocharis acicularis (L.) Roem. & Schult. Eleocharis acicularis Eleocharis acicularis **   ELAC Eleocharis acicularis (L.) Roem. & Schult. Eleocharis acicularis Eleocharis acicularis **   ELAC Low
20 %
        -none-
2 Eryngium castrense Eryngium castrense Jeps. Eryngium castrense Eryngium castrense **   ERCA33 Eryngium castrense Jeps. Eryngium castrense Eryngium castrense **   ERCA33 Low
5 %
        -none-
3 Hordeum marinum Hordeum marinum Huds. Hordeum marinum Hordeum marinum **   HOMA2 Hordeum marinum Huds. Hordeum marinum Hordeum marinum **   HOMA2 Low
3 %
        -none-
4 Alopecurus saccatus Alopecurus saccatus Vasey Alopecurus saccatus Alopecurus saccatus **   ALSA3 Alopecurus saccatus Vasey Alopecurus saccatus Alopecurus saccatus **   ALSA3 Low
2 %
        -none-
5 Lilaea scilloides Lilaea scilloides (Poir.) Hauman Lilaea scilloides Lilaea scilloides **   LISC4 Lilaea scilloides (Poir.) Hauman Lilaea scilloides Lilaea scilloides **   LISC4 Low
2 %
        -none-
6 Gratiola ebracteata Gratiola ebracteata Benth. ex A. DC. Gratiola ebracteata Gratiola ebracteata **   GREB Gratiola ebracteata Benth. ex A. DC. Gratiola ebracteata Gratiola ebracteata **   GREB Low
1 %
        -none-
7 Downingia ornatissima Downingia ornatissima Greene Downingia ornatissima Downingia ornatissima **   DOOR Downingia ornatissima Greene Downingia ornatissima Downingia ornatissima **   DOOR Low
1 %
        -none-
8 Plagiobothrys stipitatus var. micranthus Plagiobothrys stipitatus (Greene) I.M. Johnst. var. micranthus (Piper) I.M. Johnst. Plagiobothrys stipitatus var. micranthus Plagiobothrys stipitatus var. micranthus **   PLSTM Plagiobothrys stipitatus (Greene) I.M. Johnst. var. micranthus (Piper) I.M. Johnst. Plagiobothrys stipitatus var. micranthus Plagiobothrys stipitatus var. micranthus **   PLSTM Low
0.2 %
        -none-
9 Psilocarphus brevissimus Psilocarphus brevissimus Nutt. Psilocarphus brevissimus Psilocarphus brevissimus **   PSBR Psilocarphus brevissimus Nutt. Psilocarphus brevissimus Psilocarphus brevissimus **   PSBR Low
0.2 %
        -none-
10 Crassula connata Crassula connata (Ruiz & Pav.) A. Berger Crassula connata Crassula connata **   CRCO34 Crassula connata (Ruiz & Pav.) A. Berger Crassula connata Crassula connata **   CRCO34 Low
0.2 %
        -none-
11 Lasthenia californica Lasthenia californica DC. ex Lindl. Lasthenia californica Lasthenia californica **   LACA7 Lasthenia californica DC. ex Lindl. Lasthenia californica Lasthenia californica **   LACA7 Low
0.2 %
        -none-
12 Blennosperma nanum var. nanum Blennosperma nanum (Hook.) S.F. Blake var. nanum Blennosperma nanum var. nanum Blennosperma nanum var. nanum **   BLNAN Blennosperma nanum (Hook.) S.F. Blake var. nanum Blennosperma nanum var. nanum Blennosperma nanum var. nanum **   BLNAN Low
0.2 %
        -none-
13 Deschampsia danthonioides Deschampsia danthonioides (Trin.) Munro Deschampsia danthonioides Deschampsia danthonioides **   DEDA Deschampsia danthonioides (Trin.) Munro Deschampsia danthonioides Deschampsia danthonioides **   DEDA 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-
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 34 %
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 ?
Jensen, Nick 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 ?
Lasthenia fremontii – Downingia ornatissima Association     Klein et al. 2007 no
Klein, Anne


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


User Defined Values
No User Defined Data for this plot