| 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 | |
| |
| 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 | |
| |
| 4055 | | 0 | 38.5208 | -122.1461 | | 266 | CalTopo | CalTopo | | | GPS | | | | | | | |
Open mixed Quercus woodland (mainly Q. douglasi... | Northern Coastal Ranges | Quail Ridge | low ridge | 315 deg E of N | 1 deg |
Along dirt road by power lines.
| U.S.A. | California | Napa County | Near Lake Barryessa. | | | Sun Feb 17 21:37:30 2019 | |
| |
| 4050 | | 0 | 38.4845 | -122.1495 | | 340 | CalTopo | CalTopo | | | GPS | | | | | | | |
Quercus douglasii / Heteromeles arbutifolia / M... | Northern Coastal Ranges | Quail Ridge | upper slope | 33 deg E of N | 1 deg. |
Open area near a lower tent/cabin.
| U.S.A. | California | Napa County | S. side of Lake Berryessa | | | Sun Feb 17 19:42:36 2019 | |
| |
| 4049 | | 0 | 38.491 | -122.1485 | | 164 | CalTopo | CalTopo | | | GPS | | | | | | | |
Quercus lobata - Quercus wislizeni / Toxicodend... | Northern Coastal Ranges | Quail Ridge | valley bottom | 335 deg E of N | 1.5 deg. |
Bottom of trail on north side of research stati... | U.S.A. | California | Napa County | S. side of Lake Berryessa | | | Sun Feb 17 19:06:45 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 | |
| |
| 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 | | |
| |
| 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 | |
| |
| 4048 | | 0 | 38.4926 | -122.1488 | | 159 | CalTopo | CalTopo | | | GPS | | | | | | | |
Quercus spp / Toxicodendron woodland including ... | Northern Coastal Ranges | Quail Ridge | valley bottom | N | 0 |
Bottom of trails on North side of research stat... | U.S.A. | California | Napa County | S. side of Lake Berryessa | | | Sun Feb 17 17:53:49 2019 | |
| |
| 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 | |
| |
| 4029 | | 0 | 40.731643 | -122.959991 | | 670 | CalTopo | CalTopo | | | GPS | | | | | | | | Overgrown gold mine tailings with Pinus ponderosa ... | Trinity Mountains | Weaver Creek watershed | toe slope | NE | ~5 deg | Weaverville community trail parkinglot where Orego... | U.S.A. | California | Trinity County | W side of Weaverville | | | Fri Jun 15 14:27:23 2018 | |
| |
| 4030 | | 0 | 40.731773 | -122.960006 | | 665 | CalTopo | CalTopo | | | GPS | | | | | | | | Overgrown gold mine tailings with Pinus ponderosa ... | Trinity Mountains | Weaver Creek watershed | toe slope | NE | ~5 | Weaverville community trail parkinglot where Orego... | U.S.A. | California | Trinity County | W side of Weaverville | | | Fri Jun 15 14:31:23 2018 | |
| |
| 4031 | | 0 | 40.7311019897 | -122.959274292 | | 660 | CalTopo | CalTopo | | | GPS | | | | | | | | Overgrown gold mine tailings with Pinus ponderosa ... | Trinity Mountains | Weaver Creek watershed | toe slope | NE | ~5 deg | Weaverville community trail parkinglot where Orego... | U.S.A. | California | Trinity County | W side of Weaverville | | | Fri Jun 15 14:34:58 2018 | |
| |
| 4032 | | 0 | 40.7310752869 | -122.958656311 | | 655 | CalTopo | CalTopo | | | GPS | | | | | | | | Overgrown gold mine tailings with Pinus ponderosa ... | Trinity Mountains | Weaver Creek watershed | toe slope | NE | ~5 deg | Weaverville community trail parkinglot where Orego... | U.S.A. | California | Trinity County | W side of Weaverville | | | Fri Jun 15 14:38:25 2018 | |
| |
| 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 | |
| |
| 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 | |
| |
| 4086 | | 0 | 40.675 | -122.918 | | 530 | CalTopo | CalTopo | | | Google Earth | | | | | | | |
Mature Pseudotsuga menziesii forest with occasi... | Trinity Mountains | Steelbridge | toe slope | NW | ~5 deg. |
At end of Steelbridge Road by gate at entrance ... | U.S.A. | California | Trinity County | NE of Douglas City | | | Sun Apr 21 20:46:30 2019 | |
| |
| 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 | |
| |
| 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 | |
| |
| 4033 | | 0 | 40.754 | -122.907 | | 790 | CalTopo | CalTopo | | | GoogleEarth | | | | | | | | Open Pinus ponderosa - Quercus garryana woodland a... | Trinty Alps | Musser Hill | ridgetop | S | ~2 deg | At beginning of Musser Hill Road, north side of Hi... | U.S.A. | California | Trinity County | NE of Weaverville | | | Tue Jul 10 22:16:35 2018 | |
| |
| 4038 | | 0 | 40.7818 | -122.9368 | | 940 | CalTopo | CalTopo | | | | | | | | | | | Mature Pseudotsuga menziesii forest with Abies con... | Trinty Alps | East Weaver Creek watershed | valley bottom | S | ~3 deg. | Trailhead between parking area and footbridge. | U.S.A. | California | Trinity County | N of Weaverville | | | Sun Aug 19 20:01:57 2018 | |
| |
| 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 | |
| |
| 4096 | | 0 | 40.7656 | -122.9214 | | 800 | CalTopo | CalTopo | | | | | | | | | | |
Quercus garryana woodland with scattered Pinus ... | Trinity Alps | Jackass Ridge | mid-slope | S | ~5 deg. |
Off-trail to south of Rainbow-Hansen access tra... | U.S.A. | California | Trinity County | N of Weaverville | | | Thu Oct 17 16:56:00 2019 | |
| |
| 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 | |
| |
| 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 | |
| |
| 4008 | | 0 | 37.8503 | -122.1947 | | | CalTopo | CalTopo | | | Google Maps | | | | | | | | Rock outcrop amid oak and pine woodlands. | East Bay Hills | | upper slope | SW | | Sibley Volcanic Regional Preserve, along small tra... | U.S.A. | California | Contra Costa County | SE of Berkeley | | | Tue Mar 7 19:31:45 2017 | |
| |
| 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 | |
| |
| 4012 | | 0 | 42.1464 | -122.5787 | | 700 | CalTopo | CalTopo | | | Cell Phone GPS | | Google Earth | | | | | | Mature to old Quercus garryana / Toxicodendron div... | Siskiyou Mountains | near Emigrant Lake | valley bottom | SW | ~2 deg. | Along dirtroad up creek within Sampson Creek Pres... | U.S.A. | Oregon | Jackson County County | SE of Ashland | | | Sat Apr 1 19:52:39 2017 | |
| |
| 4014 | | 0 | 42.1466 | -122.5785 | | 700 | CalTopo | CalTopo | | | Cell Phone GPS | | Google Earth | | | | | | Mature to old Quercus garryana / Toxicodendron div... | Siskiyou Mountains | near Emigrant Lake | valley bottom | SW | ~2 deg. | Along dirtroad up creek within Sampson Creek Pres... | U.S.A. | Oregon | Jackson County County | SE of Ashland | | | Sun Apr 2 19:42:25 2017 | |
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