| 4000 | | 0 | 40.7665 | -122.9157 | | 790 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | Mature Pseudotsuga menziesii / Quercus kelloggii f... | Trinity Alps | | lower slope | W | 2 deg. | Just off Weaver Basin trail about 100m past trailh... | U.S.A. | California | Trinity County | N of Weaverville | | | Sun Apr 10 16:59:55 2016 | |
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| 4045 | | 0 | 38.484 | -122.1493 | | 350 | CalTopo | CalTopo | | | GPS | | | | | | | |
Mixed Quercus (mainly Q. wislizeni) woodland.
| Northern Coastal Ranges | Quail Ridge | Upper Slope | N | 2 deg. |
Along trail down north slope from Quail Ridge r... | U.S.A. | California | Napa County | S. side of Lake Berryessa | | | Sat Feb 2 16:20:33 2019 | |
| |
| 4047 | | 0 | 38.493 | -122.1484 | | 159 | CalTopo | CalTopo | | | GPS | | | | | | | |
Open, old Quercus lobata stand.
| Northern Coastal Ranges | Quail Ridge | valley bottom | 314 deg E of N | 2 deg. |
Bottom of trail on north side of the research s... | U.S.A. | California | Napa County | S. side of Lake Berryessa | | | Sun Feb 17 17:42:27 2019 | |
| |
| 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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| 3973 | | 0 | 40.7727 | -122.9229 | | 810 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Mature Pseudotsuga menziesii forest with understor... | Trinity Alps | East Weaver Canyon | Toe Slope | NE | 5 deg | Along Weaver Basin Trail just south of bridge cros... | U.S.A. | California | Trinity County | N of Weaverville | | | Sun Jan 18 19:36:13 2015 | |
| |
| 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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| 3970 | | 0 | 40.7677 | -122.9142 | | 810 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | Intergrading oak woodlands (Quercus garryana) and ... | Trinity Alps | East Weaver Canyon | mid-slope | W | ca. 5 deg. | Start up Musser Hill trail on Weaver Basin trail s... | U.S.A. | California | Trinity County | N of Weaverville | | | Mon Jan 27 22:53:28 2014 | |
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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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| 4005 | | 0 | 40.6679 | -122.7418 | | 1115 | CalTopo | CalTopo | | | GPS (phone) | | | Google Earth | | | | | Old road cut through decomposed granite within a s... | Trinity Mountains | Shasta-Trinity divide | ridgeline | NW | moderately steep | Along Hoadley Peaks Road. | U.S.A. | California | Trinity County | N of Buckhorn Pass | | | Sun May 15 07:49:54 2016 | |
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| 4006 | | 0 | 40.7004 | -122.7746 | | 915 | CalTopo | CalTopo | | | GPS (phone) | | | Google Earth | | | | | Mature Pinus ponderosa / Quercus chrysolepis fores... | Trinity Mountains | Shasta-Trinity divide | mid slope | S | moderately steep | Lewiston Turnpike Road connection between Lewiston... | USA | California | Trinity County | E of Lewiston | | | Sun May 15 08:07:32 2016 | |
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| 4026 | | 0 | 40.7924 | -122.9692 | | | CalTopo | CalTopo | | | Google Maps | | | | | | | | Ridgeline with open, mature mixed conifer forest... | Trinity Alps | Weaver Bally | ridge | ~5 deg. | N | Just south of Weaver Bally road where it first t... | U.S.A. | California | Trinity County | NW of Weaverville | | | Mon Jan 15 13:23:01 2018 | |
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| 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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| 4004 | | 0 | 40.6484 | -122.7288 | | 1050 | CalTopo | CalTopo | | | GPS (phone) | | | Google Earth | | | | | Mature Pseudotsuga menziesii stand with Pinux pond... | Trinity Mountains | Shasta-Trinity divide | ridgeline | NW | steep | Along Hoadley Peaks Road. | USA | California | Trinity County | N of Buckhorn Pass | | | Sun May 15 07:45:07 2016 | |
| |
| 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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| 4057 | | 0 | 41.2114 | -122.854 | | 2035 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | |
Open Pinus contorta - Tsuga mertensiana among g... | Trinity Alps | near Fox Creek Lake | low ridge | N | ~1 deg |
On low ridge to west of Fox Creek Lake
| U.S.A. | California | Siskiyou County | S of Callahan | | | Wed Feb 20 16:43:57 2019 | |
| |
| 4019 | | 0 | 40.9778 | -123.1553 | | 975 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | Old-growth Riparian Pseudotsuga menziesii - Caloce... | Trinity Alps | North Fork Trinity River watershed | valley bottom | SW | ~1 deg. | Along trail from Hobo Gulch aproximately 1000m bef... | U.S.A. | California | Trinity County | N of Helena | | | Sat Jun 10 21:20:47 2017 | |
| |
| 4077 | | 0 | 40.762184 | -122.90469 | | 900 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | |
Mature Pseudotsuga menziesii forest (ca. 100 ye... | Trinty Alps | Musser Hill | broad ridge | SW | ~1 deg. |
Musser Hill trail from East Weaver Road to Muss... | U.S.A. | California | Trinity County | N of Weaverville | | | Wed Apr 17 18:30:13 2019 | |
| |
| 4080 | | 0 | 40.766006 | -122.91637 | | 780 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | |
Young (70 yr?) Pseudotsuga menziesii / Quercus ... | Trinty Alps | East Weaver Creek watershed | lower slope | W | ~1 deg. |
Near start of trail from East Weaver Road to ... | U.S.A. | California | Trinity County | N of Weaverville | | | Wed Apr 17 18:41:57 2019 | |
| |
| 3969 | | 0 | 40.7685 | -122.9243 | | 840 | CalTopo | CalTopo | | | GPS & Google Earth | 100 m | | Google Earth | 20 m | | | | Quercus garryana - Quercus kelloggii forest with a... | Trinity Alps | Jackass Ridge | lower slope | S | ~10 deg | At top of small gulch between lower and upper Jack... | U.S.A. | California | Trinity County | N of Weaverville | | 2 | Mon Nov 4 15:17:58 2013 | |
| |
| 4001 | | 0 | 40.6534 | -122.7526 | | 830 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | Mature Pseudotsuga menziesii forest along creek wi... | Trinity Mountains | Grass Valley Creek watershed | | SSW | ~10 deg. | Just below Highway 299 in snow-chain pull-out area... | U.S.A. | California | Trinity County | | | | Thu Apr 28 19:45:49 2016 | |
| |
| 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 | |
| |
| 4022 | | 0 | 40.7651 | -122.9241 | | 840 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Quercus garryana / Arctostaphylos Woodland with oc... | Trinity Alps | East Weaver canyon | Mid-slope | ENE | ~10 deg. | Along unofficial trail between Rainbow Hansen trai... | U.S.A. | California | Trinity County | N of Weaverville | | | Mon Jan 1 22:25:20 2018 | |
| |
| 4024 | | 0 | 40.764 | -122.9281 | | 840 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Quercus garryana / Arctostaphylos Woodland with oc... | Trinity Alps | East Weaver canyon | Mid-slope | SW | ~10 deg. | Along unofficial trail between Rainbow Hansen trai... | U.S.A. | California | Trinity County | N of Weaverville | | | Mon Jan 1 22:52:15 2018 | |
| |
| 4025 | | 0 | 40.7633 | -122.9301 | | 840 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Quercus garryana / Arctostaphylos Woodland with oc... | Trinity Alps | East Weaver canyon | Mid-slope | NE | ~10 deg. | Along unofficial trail between Rainbow Hansen trai... | U.S.A. | California | Trinity County | N of Weaverville | | | Mon Jan 1 22:55:33 2018 | |
| |
| 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 | |
| |
| 4098 | | 0 | 40.7717 | -122.9222 | | 800 | CalTopo | CalTopo | | | | | | | | | | |
Pseudotsuga menziesii forest with Calocedrus de... | Trinity Alps | East Weaver Creek | toe slope | NE | ~10 deg. |
Along Howe Ditch shortly below diversion from c... | U.S.A. | California | Trinity County | N of Weaverville | | | Thu Oct 17 17:38:48 2019 | |
| |
| 4099 | | 0 | 40.7719 | -122.922 | | 800 | CalTopo | CalTopo | | | | | | | | | | |
Pseudotsuga menziesii forest with Calocedrus de... | Trinty Alps | East Weaver Creek | toe slope | NE | ~10 deg. |
Along Howe Ditch shortly below diversion from c... | U.S.A. | California | Trinity County | N of Weaverville | | | Thu Oct 17 17:55:42 2019 | |
| |
| 4017 | | 0 | 40.4779 | -123.7103 | | 675 | CalTopo | CalTopo | | | Cell Phone GPS | | | Google Earth | | | | | Mosaic of Pseudotsuga menziesii stands intermixed ... | North Coastal Mountains | McClellan Mountain | mid-slope | S | ~15 deg. | Along highway 36 just NW of masive rock outcrop. | U.S.A. | California | Humboldt County | E of Maple Grove | | | Sun Apr 2 20:32:25 2017 | |
| |
| 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 | |
| |
| 4020 | | 0 | 40.8835 | -122.93 | | 860 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | Maturing Pseudotsuga menziesii mixed conifer fores... | Trinity Alps | Stuarts Fork watershed | valley bottom | SW | ~2 deg | Cherry Flats, about 1 mile up trail along Stuarts ... | U.S.A. | California | Trinity County | NE of Weaverville | | | Sat Jun 10 22:31:32 2017 | |
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