| 3915 | 20100910c | 0 | 40.787056 | -122.946472 | -999 | -999 | CalTopo | CalTopo | | | GPS | 15 m | | | | GCS | WGS 1984 | | Pseudotsuga menziesii / Quercus chrysolepis - Arbu... | Trinity Alps | East Weaver Canyon | lower slope | S | moderate | Just a little up trail to East Weaver Lake from de... | U.S.A. | California | Trinity County | N of Weaverville | | Eric | Mon Feb 21 00:00:00 2011 | |
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| 4007 | | 0 | 37.8486 | -122.1941 | | | CalTopo | CalTopo | | | GPS | | | | | | | | Mature Pinus radiata forest with large, older trun... | East Bay Hills | | | S | ca. 5-10 deg. | Sibley Volcanic Regional Preserve, along Round Top... | U.S.A. | California | Contra Costa County | | | | Tue Oct 18 18:36:17 2016 | |
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| 3948 | WeaverBallyShoulder | 0 | 40.8097 | -122.9993 | 2150 | 7150 | CalTopo | CalTopo | | | Google Maps | | | Google Maps | | | | | Open rocky ridge with rock outcrops interspersed w... | Trinity Alps | Weaver Bally | ridge | S | ca. 20 deg. | Along ridge from trailhead toward Weaver Bally Pea... | U.S.A. | California | Trinity County | NW of Weaverville | | | Sat Jul 13 23:00:00 2013 | |
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| 3887 | 20100417a | 0 | 41.979053 | -122.449164 | -999 | -999 | CalTopo | CalTopo | | | GPS | 15 m | | | | GCS | WGS84 | | Base of open hillside along trail edge with basal... | Cascades | | toe slope | S | 40 deg | Along trail from Horseshoe Ranch Wildlife Area tra... | U.S.A. | California | Siskiyou County | NE of Yreka | | Eric | Sun Apr 18 23:00:00 2010 | |
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| 3888 | 20100417b | 0 | 41.979619 | -122.449083 | -999 | -999 | CalTopo | CalTopo | | | GPS | 15 m | | | | GCS | WGS84 | | Steep hillside dominated by tallus, vegetation pri... | Cascades | | mid slope | S | 40 deg | hillslope above trail from Horseshoe Ranch Wildlif... | U.S.A. | California | Siskiyou County | NE of Yreka | | Eric | Sun Apr 18 23:00:00 2010 | |
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| 4039 | | 0 | 40.7818 | -122.9401 | | 930 | CalTopo | CalTopo | | | | | | | | | | | Edge between ~15 year old clearcut and riparian zo... | Trinty Alps | East Weaver Creek watershed | valley bottom | S | | Trail to East Weaver Lake just above departure fro... | U.S.A. | California | Trinity County | N of Weaverville | | | Sun Aug 19 20:12:15 2018 | |
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| 4135 | Rush Creek Algae Site | 0 | 40.7385 | -122.8394 | 1907 | 581 | CalTopo | CalTopo | | | | | | USGS NED | | | | |
Riparian forest of Acer macrophyllum, Alnus rho... | Trinity Mountains | Rush Creek | narrow valley bottom | S | |
Just downstream of where high power lines cross... | U.S.A. | California | Trinity County | NW of Lewiston | | | Mon Dec 14 20:45:50 2020 | |
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| 4015 | | 0 | 42.1567 | -122.5576 | | 880 | CalTopo | CalTopo | | | Cell Phone GPS | | | Google Earth | | | | | Quercus garryana savanna and grazed grasslands. | Siskiyou Mountains | near Emigrant Lake | upper slope | SE | ~5 deg. | Just east of small dirt road up ridgeline at Samps... | U.S.A. | Oregon | Jackson County County | SE of Ashland | | | Sun Apr 2 20:05:22 2017 | |
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| 3975 | | 0 | 40.795 | -122.933 | | 1140 | CalTopo | CalTopo | | | Google Earth | 100m? | | Google Earth | | | | | Pseudotsuga menziesii / Quercus chrysolepis forest | Trinity Alps | East Weaver Canyon (East-Branch) | mid-slope | SE | ~35 deg | ca. 100-200 m W along La Grange ditch trail from c... | U.S.A. | California | Trinity County | N of Weaverville | | | Mon Jan 19 23:13:15 2015 | |
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| 3934 | 20120806c | 0 | 40.805 | -122.928 | 4370 | 1330 | CalTopo | CalTopo | | | GPS | 15m | | Google Earth | 15 m | | | | Pseudotsuga menziesii - Quercus kelloggii forest, ... | Trinity Alps | East Branch East Weaver | upper slope | SE | ~25 deg. | Along steep, unmaintained road that departs near e... | U.S.A. | California | Trinity County | N of Weaverville | | | Mon Aug 6 23:00:00 2012 | |
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| 4010 | | 0 | 41.671 | -122.6969 | | 1035 | CalTopo | CalTopo | | | Cell Phone GPS | | | Google Earth | | | | | Open, mature Calocedrus decurrens - Pinus (jeffery... | Siskiyou Mountains | | mid-slope | SE | ~20 deg. | Slope above Highway 3 | U.S.A. | California | Siskiyou County | ~5 km SW of Yreka | | | Sat Apr 1 18:45:09 2017 | |
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| 3913 | 20100910b | 0 | 40.78358 | -122.94376 | 3415 | 959 | CalTopo | CalTopo | | | GPS | | | GoogleMaps | | | | | Late successional Pseudotsuga menziesii / Cornus n... | Trinity Alps | East Weaver Canyon | valley bottom | SE | ~2 deg | Along trail to East Weaver Lake, ca. 400 m above i... | U.S.A. | California | Trinity County | N of Weaverville | | Eric | Mon Nov 22 00:00:00 2010 | |
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| 4146 | Hayfork Summit Creek | 0 | 40.585 | -123.0312 | 3204 | 977 | CalTopo | CalTopo | | | | | | USGS NED | | | | |
Mature Pseudotsuga menziesii forest with little... | Trinity Mountains | Summit Creek Watershed | upper slope | SE | ~10 deg. |
By pullout along Highway 3.
| U.S.A. | California | Trinity County | E of Hayfork | | | Sun Aug 1 19:37:25 2021 | |
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| 4156 | BeforeHowe | 0 | 40.7658 | -122.9201 | 2612 | 796 | CalTopo | CalTopo | | | | | | USGS NED | | | | |
Quercus garryana woodland with scattered conife... | Trinity Alps | East Weaver Watershed | mid slope | SE | ~10 deg. |
Along Rainbow-Hansen trail just below the Howe ... | U.S.A. | California | Trinity County | N of Weaverville | | | Mon Jan 31 21:33:15 2022 | |
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| 4194 | PtReyesD2Db | 0 | 38.16683 | -122.6765 | 351 | 107 | CalTopo | CalTopo | | | | | | USGS NED | | | | |
Quercus douglasii agrifolia
| North Coast Ranges | | mid-slope | SE | ~10 deg. |
Along Point Reyes Petaluma Road.
| U.S.A. | California | Marin County | SW of Petaluma | | | Wed Feb 8 23:14:23 2023 | |
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| 3917 | 20120102a | 0 | 40.8083 | -122.9966 | 6550 | 2000 | CalTopo | CalTopo | | | Google Maps | 200 m? | | Google Maps | 100 m? | | | | Road bank through Arctostaphylos shrubland on face... | Trinty Alps | Weaver Bally | upper slope | SE | ~ 30 deg | Along Weaver Bally road as passes last gully befor... | U.S.A. | California | Trinity County | NW of Weaverville | | Eric | Mon Jan 16 00:00:00 2012 | |
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| 3908 | 20101001a | 0 | 40.6781 | -122.9056 | 1677 | 511 | CalTopo | CalTopo | | | GoogleMaps | | | Google Earth | | WGS 1984 | | | Riparian hardwood stand primarily of mixed Fraxinu... | Trinity Mountains | Trinity River | valley bottom | SE | 0 deg | At rivers edge on island along river-right, near L... | U.S.A. | California | Trinity County | SE of Weaverville | | Eric | Mon Oct 4 23:00:00 2010 | |
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| 3986 | | 0 | 40.9743 | -123.0237 | | 1745 | CalTopo | CalTopo | | | | | | | | | | | Rock shelf with decomposed granite, area heavily t... | Trinity Alps | Canyon Creek watershed | lower slope | SE | 0 deg | Between Upper and Lower Canyon Creek Lakes. | U.S.A. | California | Trinity County | N of Weaverville | | | Sun Mar 8 13:51:11 2015 | |
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| 3645 | 020328A1 | 0 | 43.57745 | -115.99261 | 3225 | 983 | CalTopo | CalTopo | 581416.000000 | 4825233.000000 | GPS | 15 m | 983 m | GPS | 45 m | #NAME? | NAD27 | | Purshia tridentata / Artemisia tridentata vaseyana... | | | | SE | | US Forest Service nursury | U.S.A. | Idaho | Ada County | NE of Boise | | Eric | Sun Feb 14 00:00:00 2010 | |
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| 3922 | SidneyGulch-201202 | 0 | 40.747 | -122.9482 | 2300 | 690 | CalTopo | CalTopo | | | Google Maps | 100m | | Google Maps | 10m | GCS | WGS1984 | | Pinus sabiniana - Quercus garryana / Arctostaphylo... | Trinity Alps | Sydney Gulch | Lower slope | SE | | Along Weaver Basin Trail system going north a coup... | USA | California | Trinity County | NW of Weaverville | | Eric | | |
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| 2572 | 3291 | 0 | 44.783177 | -122.05952 | 0 | 700 | CalTopo | CalTopo | 122°03.5'W | 44°47.0'N | | | ca. 700 m | approximation | | | | | Old-growth forest with significant component of yo... | Western Cascades | | mid slope | SE face | | Above NFD 46 / Brightenbush Road (N-side) across f... | U.S.A. | Oregon | Marion County | NE of Detroit | | Eric | Sun Feb 14 00:00:00 2010 | |
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| 2573 | 3292 | 0 | 44.783177 | -122.05952 | 0 | 700 | CalTopo | CalTopo | 122°03.5'W | 44°47.0'N | | | ca. 700 m | approximation | | | | | Old-growth forest with significant component of yo... | Western Cascades | | mid slope | SE face | | Above NFD 46 / Brightenbush Road (N-side) across f... | U.S.A. | Oregon | Marion County | NE of Detroit | | Eric | Sun Feb 14 00:00:00 2010 | |
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| 2574 | 3293 | 0 | 44.783177 | -122.05952 | 0 | 700 | CalTopo | CalTopo | 122°03.5'W | 44°47.0'N | | | ca. 700 m | approximation | | | | | Old-growth forest with significant component of yo... | Western Cascades | | mid slope | SE face | | Above NFD 46 / Brightenbush Road (N-side) across f... | U.S.A. | Oregon | Marion County | NE of Detroit | | Eric | Sun Feb 14 00:00:00 2010 | |
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| 2575 | 3294 | 0 | 44.783177 | -122.05952 | 0 | 700 | CalTopo | CalTopo | 122°03.5'W | 44°47.0'N | | | ca. 700 m | approximation | | | | | Old-growth forest with significant component of yo... | Western Cascades | | mid slope | SE face | | Above NFD 46 / Brightenbush Road (N-side) across f... | U.S.A. | Oregon | Marion County | NE of Detroit | | Eric | Sun Feb 14 00:00:00 2010 | |
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| 2576 | 3295 | 0 | 44.783177 | -122.05952 | 0 | 700 | CalTopo | CalTopo | 122°03.5'W | 44°47.0'N | | | ca. 700 m | approximation | | | | | Old-growth forest with significant component of yo... | Western Cascades | | mid slope | SE face | | Above NFD 46 / Brightenbush Road (N-side) across f... | U.S.A. | Oregon | Marion County | NE of Detroit | | Eric | Sun Feb 14 00:00:00 2010 | |
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| 2577 | 3296 | 0 | 44.783177 | -122.05952 | 0 | 700 | CalTopo | CalTopo | 122°03.5'W | 44°47.0'N | | | ca. 700 m | approximation | | | | | Old-growth forest with significant component of yo... | Western Cascades | | mid slope | SE face | | Above NFD 46 / Brightenbush Road (N-side) across f... | U.S.A. | Oregon | Marion County | NE of Detroit | | Eric | Sun Feb 14 00:00:00 2010 | |
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| 2578 | 3297 | 0 | 44.783177 | -122.05952 | 0 | 700 | CalTopo | CalTopo | 122°03.5'W | 44°47.0'N | | | ca. 700 m | approximation | | | | | Old-growth forest with significant component of yo... | Western Cascades | | mid slope | SE face | | Above NFD 46 / Brightenbush Road (N-side) across f... | U.S.A. | Oregon | Marion County | NE of Detroit | | Eric | Sun Feb 14 00:00:00 2010 | |
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| 2580 | 3299 | 0 | 44.783177 | -122.05952 | 0 | 700 | CalTopo | CalTopo | 122°03.5'W | 44°47.0'N | | | ca. 700 m | approximation | | | | | Old-growth forest with significant component of yo... | Western Cascades | | mid slope | SE face | | Above NFD 46 / Brightenbush Road (N-side) across f... | U.S.A. | Oregon | Marion County | NE of Detroit | | Eric | Sun Feb 14 00:00:00 2010 | |
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| 2583 | 3300 | 0 | 44.783177 | -122.05952 | 0 | 700 | CalTopo | CalTopo | 122°03.5'W | 44°47.0'N | | | ca. 700 m | approximation | | | | | Old-growth forest with significant component of yo... | Western Cascades | | mid slope | SE face | | Above NFD 46 / Brightenbush Road (N-side) across f... | U.S.A. | Oregon | Marion County | NE of Detroit | | Eric | Sun Feb 14 00:00:00 2010 | |
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| 2584 | 3301 | 0 | 44.783177 | -122.05952 | 0 | 700 | CalTopo | CalTopo | 122°03.5'W | 44°47.0'N | | | ca. 700 m | approximation | | | | | Old-growth forest with significant component of yo... | Western Cascades | | mid slope | SE face | | Above NFD 46 / Brightenbush Road (N-side) across f... | U.S.A. | Oregon | Marion County | NE of Detroit | | Eric | Sun Feb 14 00:00:00 2010 | |
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