| 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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| 4064 | | 0 | 40.6622 | -122.9271 | | | CalTopo | CalTopo | | | GPS | | | | | | | |
Mixed oak woodland with interspersed conifers {... | Trinity Mountains | Browns Mountain | mid-slope terrace | | |
Along road to Union Hill Pond.
| U.S.A. | California | Trinity County | NE of Douglas City | | | Sun Apr 14 16:29:32 2019 | |
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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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| 4053 | | 0 | 38.4828 | -122.1472 | | 380 | CalTopo | CalTopo | | | GPS | | | | | | | |
Quercus douglasii / Heteromeles arbutifolia woo... | Northern Coastal Ranges | Quail Ridge | ridgeline | 200 deg E of N | 0 |
Along road to research station.
| U.S.A. | California | Napa County | S. side of Lake Berryessa | | | Sun Feb 17 20:20:24 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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| 4102 | | 0 | 36.3947 | -121.5474 | 2500 | 760 | CalTopo | CalTopo | | | | | | | | | | |
Quercus douglasii / annual grass savanna.
| Coast Ranges | Carmel Valley | ridgeline | | |
Ridge above Hastings Reserve
| U.S.A. | California | Monterey County | W of Palo Escrito Peak | | | Fri Feb 14 22:05:22 2020 | |
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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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| 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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| 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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| 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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| 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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| 4085 | | 0 | 40.663 | -122.967 | | 480 | CalTopo | CalTopo | | | Google Earth | | | | | | | |
Open Quercus garryana woodland with scattered P... | Trinty Alps | Mainstem Trinity River | toe slope | W | ~5 deg. |
Along Steiner Flat road at Lorenz Gulch river a... | U.S.A. | California | Trinity County | W of Douglas City | | | Sun Apr 21 20:37:26 2019 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 4106 | | 0 | 40.7906 | -122.9161 | | 3598 | CalTopo | CalTopo | | | | | | | | | | |
Open, rocky area of clay soils among Arctostaph... | Trinity Alps | Musser Hill | upper ridge | SW | ~5 deg. |
To the side of a firebreak running down a side-... | U.S.A. | California | Trinity County | N of Weaverville | | | Fri May 8 22:16:05 2020 | |
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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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| 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 | |
| |
| 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 | |
| |
| 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 | |
| |
| 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 | |
| |
| 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 | |
| |
| 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 | |
| |
| 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 | |
| |
| 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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