| 3966 | unknown | 0 | | | | | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | | Mon Nov 4 10:53:58 2013 | |
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| 3967 | unknown | 0 | | | | | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | | Mon Nov 4 10:58:08 2013 | |
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| 3978 | | 0 | 40.8358 | -124.1761 | | 5 | CalTopo | CalTopo | | | GPS | | | approximate | | | | | Pinus contorta stand with Vaccinium. | Pacific Coast | Humboldt Bay North Spit | | | | | U.S.A. | California | Humboldt County | N of Eureka | | | Sat Jan 24 23:06:59 2015 | |
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| 3989 | | 0 | 41.7546 | -121.5637 | | 1360 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | Artemisia tridentata wyomingensis shrubland in bro... | Cascades | Medicine Lake Lava Beds | | | | Lava Beds National Monument, near small basalt out... | U.S.A. | California | Siskiyou County | S of Tulelake | | | Sun Jun 14 08:29:22 2015 | |
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| 3990 | | 0 | 41.7399 | -121.5967 | | 1465 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Artemisia tridentata ssp. wyomingensis shrubland i... | Cascades | Medicine Lake Lava Beds | | | | Lava Beds National Monument, NW side of trail arou... | U.S.A. | California | Siskiyou County | S of Tulelake | | | Sun Jun 14 08:51:27 2015 | |
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| 3991 | | 0 | 41.7402 | -121.5973 | | 1485 | CalTopo | CalTopo | | | Google Earth (guided by GPS) | | | Google Earth | | | | | Rough basalt bluff with Juniperus occidentalis woo... | Cascades | Medicine Lake Lava Beds | | | | Lava Beds National Monument, NW side of trail arou... | U.S.A. | California | Siskiyou County | S of Tulelake | | | Sun Jun 14 08:57:04 2015 | |
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| 3992 | | 0 | 41.74235 | -121.57787 | | 1442 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Artemisia tridentata ssp. wyomingensis shrubland. | Cascades | Medicine Lake Lava Beds | | | | Lava Beds National Monument, along trail to Whitne... | U.S.A. | California | Siskiyou County | S of Tulelake | | | Sun Jun 14 09:08:24 2015 | |
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| 3993 | | 0 | 41.7412 | -121.5725 | | 1459 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Juniperus occidentalis / Artemisia tridentata wyom... | Cascades | Medicine Lake Lava Beds | | | | Lava Beds National Monument, along trail to Whitne... | U.S.A. | California | Siskiyou County | S of Tulelake | | | Sun Jun 14 09:13:42 2015 | |
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| 3994 | | 0 | 41.714514 | -121.505453 | | 1440 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | Artemisia tridentata ssp. wyomingensis shrubland w... | Cascades | Medicine Lake Lava Beds | | | | Lava Beds National Monument, southwest side of Res... | U.S.A. | California | Siskiyou County | S of Tulelake | | | Sun Jun 14 09:32:55 2015 | |
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| 3995 | | 0 | 41.703 | -121.517 | | 1540 | CalTopo | CalTopo | | | GPS | 100m | | Google Earth | | | | | Entrance to lava tube cave amidst Artemisia triden... | Cascades | Medicine Lake Lava Beds | | | | Lava Beds National Monument, along Cave Loop Road ... | U.S.A. | California | Siskiyou County | S of Tulelake | | | Sun Jun 14 09:45:12 2015 | |
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| 3996 | | 0 | 41.6938 | -121.4546 | | 1320 | CalTopo | CalTopo | | | Google Earth | | | Google Earth | | | | | Juniperus occidentalis / Artemisia tridentata ssp.... | Cascades | Medicine Lake Lava Beds | | | | Lava Beds National Monument, near south entrance, ... | U.S.A. | California | Siskiyou County | S of Tulelake | | | Sun Jun 14 09:54:48 2015 | |
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| 3997 | | 0 | 41.51893 | -121.07768 | | 1481 | CalTopo | CalTopo | | | Google Earth (guided by GPS) | | | Google Earth | | | | | Solitary Juniperus in open shrubland swail amidst ... | Cascades | Modoc Plateau | | | | Along W side of highway 159 | U.S.A. | California | Modoc County | NW of Canby | | | Sun Jun 14 10:23:51 2015 | |
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| 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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| 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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| 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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| 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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| 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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| 4044 | | 0 | 40.7677 | -122.9235 | | 882 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | | Quercus garryana woodland/savana with patchwork of... | Trinty Alps | East Weaver Creek watershed | | 145 E of N | 1 deg | Near small ephemeral drainage between trails along... | U.S.A. | California | Trinity County | N of Weaverville | | | Mon Jan 21 18:42:30 2019 | |
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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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| 4101 | | 0 | 45 | -120 | | | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | | Sat Jan 18 23:10:59 2020 | |
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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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| 4129 | | 0 | 32.5 | -100.3 | | | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | | Fri Sep 11 23:06:34 2020 | |
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| 4130 | | 0 | 45 | -120 | | | CalTopo | CalTopo | | | | | | | | | | | | | | | | | | | | | | | | Fri Sep 11 23:11:20 2020 | |
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| 3938 | 20121230a | 0 | 40.77019 | -122.92276 | | 830 | CalTopo | CalTopo | | | | 15m | | | | | | | Quercus garryana savanna on broad lower ridge | | Jackass Ridge | | | | Along lower branch of Jackass Ridge trail. | U.S.A. | California | Trinity County | | | | Sun Dec 30 00:00:00 2012 | |
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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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| 4077 | | 0 | 40.762184 | -122.90469 | | 900 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | |
Mature Pseudotsuga menziesii forest (ca. 100 ye... | Trinty Alps | Musser Hill | broad ridge | SW | ~1 deg. |
Musser Hill trail from East Weaver Road to Muss... | U.S.A. | California | Trinity County | N of Weaverville | | | Wed Apr 17 18:30:13 2019 | |
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| 3968 | | 0 | 40.768 | -122.9236 | | 822 | CalTopo | CalTopo | | | GPS & Google Earth | 100 m | | Google Earth | 20 m | | | | Quercus garryana / Pinus sabiniana woodland with a... | Trinity Alps | N of Weaverville | Jackass Ridge | S | ~2 deg. | In broad gulch to west of the Jackass Ridge trail,... | U.S.A. | California | Trinity County | N of Weaverville | | 2 | Mon Nov 4 15:12:44 2013 | |
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| 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 | |
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| 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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| 4057 | | 0 | 41.2114 | -122.854 | | 2035 | CalTopo | CalTopo | | | GPS | | | Google Earth | | | | |
Open Pinus contorta - Tsuga mertensiana among g... | Trinity Alps | near Fox Creek Lake | low ridge | N | ~1 deg |
On low ridge to west of Fox Creek Lake
| U.S.A. | California | Siskiyou County | S of Callahan | | | Wed Feb 20 16:43:57 2019 | |
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