| 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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| 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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| 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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| 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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| 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 | |
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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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| 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 | |
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| 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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| 4016 | | 0 | 42.147 | -122.5757 | | 715 | CalTopo | CalTopo | | | | | | | | | | | Mature to old Quercus garryana / Toxicodendron div... | Siskiyou Mountains | near Emigrant Lake | valley bottom | SW | ~2 deg. | Along dirt road up creek within Sampson Creek Pre... | U.S.A. | Oregon | Jackson County County | SE of Ashland | | | Sun Apr 2 20:13:51 2017 | |
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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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| 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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| 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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| 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 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 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 | |
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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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| 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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| 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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| 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 | |
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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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| 4040 | | 0 | 40.7766 | -124.1519 | | 25 | CalTopo | CalTopo | | | | | | | | | | | Alnus rubra riparian woodland amidst second growth... | North Coast | | valley bottom | | | Sequoia Park within Eureka, along boardwalk throug... | U.S.A. | California | Humboldt County | within Eureka | | | Mon Nov 5 14:42:00 2018 | |
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| 4041 | | 0 | 44.7388 | -123.0487 | | 80 | CalTopo | CalTopo | | | | | | | | | | | Riparian woodland on levy along slow river | Willamette Valley | Santiam River | | | | At Interstate Highway 5 rest area (northbound). | U.S.A. | Oregon | Marion County | South of Salem | | | Mon Nov 5 14:56:33 2018 | |
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| 4042 | | 0 | 43.8505 | -123.02 | | 170 | CalTopo | CalTopo | | | | | | | | | | | Manicured woodland of Pseudotsuga menziesii, Acer ... | Willamette Valley | | valley bottom | | | Along Interstate Highway 5 (north bound) at rest a... | U.S.A. | Oregon | Lane County | S of Eugene | | | Mon Nov 5 15:05:19 2018 | |
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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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| 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 | |
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| 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 | |
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