| 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 | |
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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 | |
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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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| 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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| 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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| 4013 | | 0 | 42.1466 | -122.5782 | | 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 dirt road up creek within Sampson Creek Pre... | U.S.A. | Oregon | Jackson County County | SE of Ashland | | | Sat Apr 1 21:18:56 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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| 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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| 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 | |
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| 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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| 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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| 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 | |
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| 3984 | | 0 | 40.9749 | -123.0235 | | 1740 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | North facing rock faces above creek with sparse Pi... | Trinity Alps | Canyon Creek watershed | Valley Bottom | N | | Canyon Creek as it exits Upper Canyon Creek Lake. | U.S.A. | California | Trinity County | N of Weaverville | | | Sat Jan 31 20:50:19 2015 | |
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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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| 4011 | | 0 | 40.8284 | -122.8913 | | 925 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | Old growth Pseudotsuga menziesii stand with Abies ... | Trinity Alps | near Trinity Lake and Tanery Gulch | valley bottom | E | ~2 deg. | Upstream side of Highway 3 where small road depart... | U.S.A. | California | Trinity County | NE of Weaverville | | | Sat Apr 1 19:24:31 2017 | |
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| 3999 | | 0 | 38.3783 | -122.2001 | | 225 | CalTopo | CalTopo | | | GPS (phone) | | | Google Earth | | | | | Old large Quercus sp. (evergreen) along road. | Coast Range | | lower slope | | | Along highway 121 just S of farmhouse. | U.S.A. | California | Napa County | NE of Napa | | | Sun Apr 10 16:38:56 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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| 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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| 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 | |
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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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| 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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| 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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| 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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| 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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| 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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| 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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| 3980 | | 0 | 40.7722 | -122.9226 | | 815 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Pseudotsuga menziesii / Quercus kelloggii forest. | Trinity Alps | East Weaver Canyon | lower-slope | NE | ~3 deg | Along Weaver Basin trail system just S of East Wea... | U.S.A. | California | Trinity County | N of Weaverville | | | Sat Jan 24 23:27:26 2015 | |
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