| 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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| 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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| 4091 | | 0 | 40.896 | -122.9362 | | 925 | CalTopo | CalTopo | | | GPS | | | | | | | |
Pseudotsuga menziesii / mixed conifer forest.
| Trinity Alps | Stewart's Fork | bottom of ravine across lower slope | W | 10 deg. |
Along Stewart's Fork trail at crossing of F... | U.S.A. | California | Siskiyou (boarder with Trinity) | NE of Weaverville | | | Wed Jul 10 22:25:15 2019 | |
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| 4092 | | 0 | 40.92966 | -122.95775 | 3600 | 1100 | CalTopo | CalTopo | | | GPS | | | | | | | |
Pseudotsuga menziesii - Abies concolor / mixed ... | Trinity Alps | Stewart's Fork | lower slope | W | ~1 deg. |
Along Stewart's Fork trail
| U.S.A. | California | Trinity County | NE of Weaverville | | | Wed Jul 10 22:59:39 2019 | |
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| 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 | |
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| 4097 | | 0 | 40.7665 | -122.922 | | 800 | CalTopo | CalTopo | | | | | | | | | | |
Quercus garryana woodland with scattered Pinus ... | Trinity Alps | Jackass Ridge | mid-slope | W | ~5 deg. |
N of Rainbow-Hansen access trail, above Howe Di... | U.S.A. | California | Trinity County | N of Weaverville | | | Thu Oct 17 17:00:33 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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| 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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| 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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| 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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| 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 | |
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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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| 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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| 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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| 4127 | Trinidad Beach | 0 | 41.0568 | -124.1506 | | 1 | CalTopo | CalTopo | | | Google Earth | | | | | | | |
Rock cliff at edge of beach.
| Pacific Coast | | | | |
Beach at Trinidad Head.
| U.S.A. | California | Humboldt County | | | | Mon Sep 7 11:22:58 2020 | |
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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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| 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 | |
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| 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 | |
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| 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 | |
| |
| 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 | |
| |
| 4054 | | 0 | 38.5206 | -122.1462 | | 268 | CalTopo | CalTopo | | | GPS | | | | | | | |
Rock outcrop in open mixed Quercus woodland (ma... | Northern Coastal Ranges | Quail Ridge | low ridge | 257 | 2 deg |
Along dirt road by power lines.
| U.S.A. | California | Napa County | Near Lake Barryessa. | | | Sun Feb 17 21:34:09 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 | |
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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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