| 3918 | 20100911A | 0 | 40.854967 | -123.484878 | | | CalTopo | CalTopo | | | unspecified source | | | | | | | | Mature mixed forest of Pseudotsuga menziesii, Lith... | Trinity Mountains | Grays Falls | toe slope | N | steep | along trail to falls near bottom | U.S.A. | California | Trinity County | | | Eric | | |
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| 3919 | 2012-02-19 | 0 | 40.75987 | -122.90576 | 2820 | 860 | CalTopo | CalTopo | | | guestimate on Google Maps | | | | | | | | Mature mixed forest of Pseudotsuga menziesii, Pinu... | Trinity Alps | Musser Hill | broad ridge | | | in small gully along along the trail branch from M... | U.S.A. | California | Trinity County | | | Eric | | |
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| 3964 | test | 0 | | | 1 | 1 | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | Eric | | 1 |
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| 3965 | test | 0 | | | 1 | 1 | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | Eric | | 1 |
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| 3966 | unknown | 0 | | | | | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | | Mon Nov 4 10:53:58 2013 | |
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| 3967 | unknown | 0 | | | | | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | | Mon Nov 4 10:58:08 2013 | |
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| 3972 | | 0 | 46.4399 | -121.7754 | 1415 | | CalTopo | CalTopo | | | | | | | | | | | Old growth stand of Pseudotsuga menziesii, Popul... | Gifford Pinchot National Forest | | | | | | U.S.A. | Washington | Lewis County | | | | Mon May 19 22:13:13 2014 | |
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| 3985 | | 0 | | | 6500 | 1980 | CalTopo | CalTopo | | | | | | | | | | | Alpine sod habitat. | Jasper Park | | | | | Parker Ridge, by the Columbian Ice Field. | Canada | Alberta | Jasper Park | | | | Mon Feb 16 09:01:08 2015 | |
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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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| 4043 | | 0 | 40.589 | -122.3516 | | 180 | CalTopo | CalTopo | | | Google Earth | | | | | | | | Parking lot of commercial area (Barnes and Noble b... | Sacramento Valley | | | | | NW of intersection of Churn Creek Road and Old Alt... | U.S.A. | California | Shasta County | | | | Mon Jan 21 17:57:53 2019 | |
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| 4051 | | 0 | 38.4804 | -122.145 | | 359 | CalTopo | CalTopo | | | GPS | | | | | | | |
Quercus douglasii open woodland
| Northern Coastal Ranges | Quail Ridge | upper slope | 278 deg. E of N | 7 deg. | | U.S.A. | California | Napa County | | | | Sun Feb 17 19:56:48 2019 | |
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| 4052 | | 0 | 38.4801 | -122.1449 | | 362 | CalTopo | CalTopo | | | GPS | | | | | | | |
Quercus douglasii woodland
| Northern Coastal Ranges | Quail Ridge | upper slope | 75 deg E of N | 4 deg |
Next to "researcher's house".
| U.S.A. | California | Napa County | | | | Sun Feb 17 20:02:28 2019 | |
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| 4059 | | 0 | 40.6679 | -122.7418 | | 1060 | CalTopo | CalTopo | | | | | | | | | | |
Old road cut through decomposed granite along r... | Trinity Mountains | near Hoadley Peak | ridgeline | | |
Along Hoadley Peaks road going north from Highw... | U.S.A. | California | Trinity County | | | | Wed Feb 20 17:47:22 2019 | |
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| 4087 | | 0 | 40.6702 | -122.9217 | | 515 | CalTopo | CalTopo | | | Google Earth | | | | | | | |
Flat along river (parially overgrown historic p... | Trinity Mountains | Steelbridge | valley bottom | W | |
Along Steelbridge road at BLM site where road t... | U.S.A. | California | Trinity County | | | | Sun Apr 21 20:50:25 2019 | |
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| 4101 | | 0 | 45 | -120 | | | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | | Sat Jan 18 23:10:59 2020 | |
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| 4127 | Trinidad Beach | 0 | 41.0568 | -124.1506 | | 1 | CalTopo | CalTopo | | | Google Earth | | | | | | | |
Rock cliff at edge of beach.
| Pacific Coast | | | | |
Beach at Trinidad Head.
| U.S.A. | California | Humboldt County | | | | Mon Sep 7 11:22:58 2020 | |
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| 4129 | | 0 | 32.5 | -100.3 | | | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | | Fri Sep 11 23:06:34 2020 | |
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| 4130 | | 0 | 45 | -120 | | | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | | Fri Sep 11 23:11:20 2020 | |
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| 3987 | | 0 | 38.1556 | -122.4105 | 6 | 2 | CalTopo | CalTopo | | | GPS | 15 m | | | | | | | Wood rails of wildlife viewing platform in shrubby... | San Francisco Bay | Tubbs Island | | | | Second wildlife viewing area along Highway 37 goin... | USA | California | Sonoma County | Between Novato and Vallejo | | | Wed May 6 21:55:39 2015 | |
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| 4088 | | 0 | 40.6576 | -122.9137 | | 500 | CalTopo | CalTopo | | | Google Earth | | | | | | | |
Riparian zone of Populus fremontii and Salix sp... | Trinity Mountains | Indian Creek | valley bottom | N | |
Indian Creek at confluence with Trinity River.
... | U.S.A. | California | Trinity County | E of Douglas City | | | Sun Apr 21 20:55:00 2019 | |
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| 4065 | | 0 | 42.2345 | -122.6956 | | 750 | CalTopo | CalTopo | | | GPS | | | | | | | "A01" |
Quercus garryana / Toxicodendron diversilobum w... | Siskiyou Mountains | | upper slope | NE | ~5 deg. |
Imperatrice property (City of Ashland)
| U.S.A. | Oregon | Jackson County County | N of Ashland | | | Sun Apr 14 22:04:32 2019 | |
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| 4018 | | 0 | 40.979 | -123.156 | | 980 | CalTopo | CalTopo | | | Google Earth | | Google Earth | | | | | | Old growth Pseudotsuga menziesii / Corylus cornuta... | Trinity Alps | North Fork Trinity River watershed | toe slope | S | ~10 deg. | Along trail from Hobo Gulch aproximately 800m befo... | U.S.A. | California | Trinity County | N of Helena | | | Sat Jun 10 21:12:43 2017 | |
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| 4107 | Hobo Gulch Trail | 0 | 40.9858 | -123.1614 | | 1030 | CalTopo | CalTopo | | | | | | | | | | |
Quercus garryana woodland on steep slope.
| Trinity Alps | North Fork Trinity River Watershed | mid-slope | S | ~15 deg. |
Along Hobo Gulch trail just past (North) of int... | U.S.A. | California | Siskiyou (boarder with Trinity) | N of Helena | | | Fri Aug 7 21:27:21 2020 | |
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| 4036 | | 0 | 40.8959 | -123.0223 | | 1030 | CalTopo | CalTopo | | | GPS | | | | | | | | Quercus chrysolepis woodlands with Pseudotsuga men... | Trinty Alps | Canyon Creek watershed | lower slope | W | ~25 deg. | Along Canyon Creek trail about 1 mile from trailhe... | U.S.A. | California | Trinity County | N of Junction City | | | Sun Aug 19 19:35:08 2018 | |
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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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| 4009 | | 0 | 40.7637 | -122.9109 | | | CalTopo | CalTopo | | | Google Maps | | | | | | | | Mixed coniferous forest with Pseudotsuga menziesii... | Trinity Alps | Musser Hill | mid-slope | SW | steep | In narrow gully along trail from East Weaver Road ... | U.S.A. | California | Trinity County | N of Weaverville | | | Tue Mar 7 19:46:23 2017 | |
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| 4021 | | 0 | 40.787 | -122.946 | | 1000 | CalTopo | CalTopo | | | | | | | | | | | Old-growth Douglas fir (Pseudotsuga menziesii) for... | Trinity Alps | East Weaver canyon | toe slope | SW | ~5 deg. | Along trail up East Weaver canyon toward lake, jus... | U.S.A. | California | Trinity County | N of Weaverville | | | Mon Aug 14 08:24:05 2017 | |
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| 4034 | | 0 | 40.78645 | -122.94543 | | 1000 | CalTopo | CalTopo | | | GPS | | | | | | | | Patchy old growth Pseudotsuga menziesii forest wit... | Trinty Alps | East Weaver watershed | lower slope | SW | ~5-10 deg. | Just upslope from trail to East Weaver Lake, on up... | U.S.A. | California | Trinity County | N of Weaverville | | | Sun Aug 19 19:05:56 2018 | |
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| 4035 | | 0 | 40.7859039307 | -122.9457550049 | | 1000 | CalTopo | CalTopo | | | GPS | | | | | | | | Patchy old growth Pseudotsuga menziesii forest wit... | Trinty Alps | East Weaver watershed | toe slope | SW | ~10 deg. | Just downslope from trail to East Weaver Lake, on ... | U.S.A. | California | Trinity County | N of Weaverville | | | Sun Aug 19 19:22:22 2018 | |
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| 4037 | | 0 | 40.773 | -122.923 | | 825 | CalTopo | CalTopo | | | Approximation | | | | | | | | Riparian zone of Alnus rhombifolia, Acer macrophyl... | Trinty Alps | East Weaver Creek watershed | valley bottom | | | Along creek about 50m upstream of footbridge. | U.S.A. | California | Trinity County | N of Weaverville | | | Sun Aug 19 19:52:35 2018 | |
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