| 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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| 4003 | | 0 | 40.594 | -122.4034 | | 170 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | Riparian Quercus and other hardwoods along river. | Sacramento Valley | | | | | Along Sacramento River (left bank) walking trail j... | U.S.A. | California | Shasta County | within Redding | | | Thu Apr 28 20:07:13 2016 | |
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| 4081 | | 0 | 40.5836 | -122.363 | | 165 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | |
Mixed oak woodland on slope along small road, b... | Sacramento Valley | | lower slope | W | ~5 deg. |
Along North Bachelli Lane where road decends to... | U.S.A. | California | Shasta County | within Redding | | | Thu Apr 18 21:27:39 2019 | |
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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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| 4100 | | 0 | 39.698667 | -105.200833 | | 2000 | CalTopo | CalTopo | | | | | | | | | | |
Pinus ponderosa and Quercus gambelii
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Hogback Park, Dakota Ridge, just west of Denver... | U.S.A. | Colorado | Jefferson County County | West of Denver | | | Mon Dec 9 23:08:39 2019 | |
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| 3976 | | 0 | 40.73381 | -122.9412 | | 620 | CalTopo | CalTopo | | | Google Earth | 5m | | Google Earth | | | | | Large black locust tree (Robinia sp.) in back park... | Trinity Alps | Weaverville Basin | lower slope | W | ~2 deg. | Behind buildings in old-town Weaverville, roughly ... | U.S.A. | California | Trinity County | Weaverville | | | Mon Jan 19 23:56:23 2015 | |
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| 4089 | | 0 | 40.7302 | -122.9399 | | 615 | CalTopo | CalTopo | | | Google Earth | | | | | | | |
Scattered Robinia (Locust) trees within rural t... | Trinity Alps | Weaver Creek Watershed | valley bottom | | |
Trinity County Museum near restored Ditch Tende... | U.S.A. | California | Trinity County | Weaverville | | | Mon Apr 22 21:15:57 2019 | |
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| 4090 | | 0 | 40.73 | -122.9395 | | 615 | CalTopo | CalTopo | | | Google Earth | | | | | | | |
Scattered Robinia (Locust) trees within rural t... | Trinity Alps | Weaver Creek Watershed | valley bottom | | |
Along Highway 299 (Main Street) by Congregation... | U.S.A. | California | Trinity County | Weaverville | | | Mon Apr 22 21:15:57 2019 | |
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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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| 4103 | | 0 | 36.3874 | -121.5493 | | 540 | CalTopo | CalTopo | | | | | | | | | | |
Mixed oak woodland in valley bottom among reser... | Coast Ranges | Carmel Valley | valley bottom | | |
Fence along road past majority of builtings, on... | U.S.A. | California | Monterey County | W of Palo Escrito Peak | | | Fri Feb 14 22:14:02 2020 | |
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| 4104 | | 0 | 36.3851 | -121.5523 | | 525 | CalTopo | CalTopo | | | | | | | | | | |
Valley bottom with Quercus lobata along small e... | Coast Ranges | Carmel Valley | valley bottom | | |
Along Hastings Reserve Road where splits to var... | U.S.A. | California | Monterey County | W of Palo Escrito Peak | | | Fri Feb 14 22:19:16 2020 | |
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| 4105 | | 0 | 36.3875 | -121.5498 | | 540 | CalTopo | CalTopo | | | | | | | | | | |
Mixed Quercus woodland in valley bottom.
| Coast Ranges | Carmel Valley | valley bottom | | |
Among houses that form the research center.
| U.S.A. | California | Monterey County | W of Palo Escrito Peak | | | Fri Feb 14 22:23:19 2020 | |
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| 4027 | | 0 | 40.7178 | -122.8384 | | 550 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Â Riparian woodland over dredge mining tailings wi... | Trinity Alps | Rush Creek confluence with Trinity River | valley bottom | | | Â Among tailings on lower end of the Rush Creek de... | USA | California | Trinity County | W of Lewiston | | | Tue Apr 24 14:05:25 2018 | |
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| 4028 | | 0 | 40.71557617 | -122.837547 | | 550 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Â Riparian woodland over dredge mining tailings wi... | Trinity Alps | Confluence of Rush Creek and Trinity River | valley bottom | | | Â Among tailings on lower end of the Rush Creek de... | U.S.A. | California | Trinity County | W of Lewiston | | | Tue Apr 24 15:18:54 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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| 4108 | Chop Tree | 0 | 40.6539 | -122.963 | | 483 | CalTopo | CalTopo | | | | | | | | | | |
Riparian hardwood forest (Alnus rhombifolia, Ac... | Trinity Mountains | Steiner Flat | valley bottom | | |
At "Chop Tree" river access.
| U.S.A. | California | Trinity County | W of Douglas City | | | Fri Aug 7 21:40:55 2020 | |
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| 4082 | | 0 | 40.69 | -122.4 | | 285 | CalTopo | CalTopo | | | Google Earth | | | | | | | |
Sub-urban city park with native oaks (Quercus w... | Sacramento Valley | | valley bottom | | |
Park along Highway 151 in Summit City just east... | U.S.A. | California | Shasta County | Summit City | | | Sat Apr 20 20:39:52 2019 | |
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| 4056 | | 0 | 40.67 | -123.023 | | 475 | CalTopo | CalTopo | | | Google Earth | | | | | | | |
Sparse Quercus garryana - Quercus chrysolepis -... | Trinity Mountains | Trinity River near Dutch Creek confluence | lower slope | SW | ~5 deg |
Dutch Creek Channel Restoration Site (actually ... | U.S.A. | California | Trinity County | SSE of Junction City | | | Wed Feb 20 16:14:33 2019 | |
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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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| 4058 | | 0 | 40.6484 | -122.7288 | | 1020 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | |
Mature Pseudotsuga menziesii forest along ridge... | Trinity Mountains | near Hoadley Peak | ridgeline | | |
Along Hoadley Peaks Road, running north from Hi... | U.S.A. | California | Trinity County | SE of Lewiston | | | Wed Feb 20 17:26:58 2019 | |
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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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| 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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| 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 | |
| |
| 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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| 4015 | | 0 | 42.1567 | -122.5576 | | 880 | CalTopo | CalTopo | | | Cell Phone GPS | | | Google Earth | | | | | Quercus garryana savanna and grazed grasslands. | Siskiyou Mountains | near Emigrant Lake | upper slope | SE | ~5 deg. | Just east of small dirt road up ridgeline at Samps... | U.S.A. | Oregon | Jackson County County | SE of Ashland | | | Sun Apr 2 20:05:22 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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| 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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