A view of the Alaska Range from Polychrome Pass, Denali National Park, Alaska, United States, 2016 May 22
Some fungi, Lowell Point, Kenai Peninsula, Alaska, United States, 2016 May 17
Kenai Lake, near Cooper Landing, Kenai Penninsula, Alaska, United States, 2016 May 14
Kinnikinnick, Arctostaphylos uva-ursi, near Cooper Landing, Kenai Penninsula, Alaska, United States, 2016 May 14
Tulip popular, Liriodendron tulipifera, leaf on the sidewalk resembles a snarky cat, Cleveland Heights, Ohio, United States, 2015 October 10
Fungi, Hinckley Reservation, Ohio, United States, 2014 October 25
Big Pine Lakes, Eastern Sierra, California, United States, 2013 August 18
Grand Tetons, Grand Teton National Park, Wyoming, United States, 2013 August 03
Flies or fairies, whatever were buzzing around our headlights while we were making camp near a lake in Idaho, United States, 2013 August 02
Chris with Sue, the the largest, most complete, and best preserved Tyrannosaurus rex ever discovered, Field Museum, Chicago, Illinois, United States, 2013 June 29
Long-nosed leopard lizard, Gambelia wislizenii, Highway 6, central Nevada, United States, 2013 May 26
Lunar Crater, Palisade Mesa Wilderness Study Area, Nevada, United States, 2013 May 26
Two-tailed swallowtail, Papilio multicaudata, Austin, Nevada, United States, 2013 May 25
Monkeyflower, Mimulus sp., along Highway 6, central Nevada, United States, 2013 May 25
Lichens are a makeup of two or more mutualistic symbiotic organisms, Fallon, Nevada, United States, 2013 May 16
Morro Rock, Morro Bay, California, United States, 2013 March 23
Matt Forister's butterfly collection, Reno, Nevada, United States, 2013 January 29
Will Lumpkin's beetle collection, Reno, Nevada, United States, 2013 January 25
Experimental burn, Little Valley, Nevada, United States, 2012 November 27
Quaking aspen, Populus tremuloides, leaves on the forest floor in autumn, Little Valley, Nevada, United States, 2012 November 07
Toothpicks denoting where seeds would be buried for a burn experiment I ran, Little Valley, Nevada, United States, 2012 October 20
Bonny Doon manzanita, Arctostaphylos silvicola, fruit, Mt. Hermon, California, United States, 2012 July23
Common manzanita, Arctostaphylos manzanita, in coyote, Canis latrans, scat, Mt. Diablo, California, United States, 2012 July 25
Banana slug, Ariolimax sp., Santa Cruz, California, United States, 2012 June 23
Western sheepmoth, Hemileuca eglanterina, Little Valley, Nevada, United States, 2012 June 22
Sierran Treefrog, Pseudacris sierra, Little Valley, Nevada, United States, 2012 June 15
Mating greenish blue butterflies, Plebejus saepiolus, Little Valley, Nevada, United States, 2012 June 15
Male greenish blue butterfly, Plebejus saepiolus, Little Valley, Nevada, United States, 2012 June 15
Pale swallowtail, Papilio eurymedon, Little Valley, Nevada, United States, 2012 June 15
A view of Lake Tahoe after hiking out of Little Valley, Nevada, United States, 2012 June 10
Line-intercept transect through chaparral (mostly greenleaf manzanita, Arctostaphylos patula, and snowbrush, Ceanothus velutinus), Franktown Road, west slope of Washoe Valley, Nevada, United States, 2012 June 09
Eggs of a member of the insect order Hemiptera, Little Valley, Nevada, United States, 2012 June 08
Mountain gartersnake, Thamnophis elegans, Little Valley, Nevada, United States, 2012 June 02
Member of the insect order Coleoptera, with Dr. Josh Jahner in the background, Franktown Road, west slope of Washoe Valley, Nevada, 2012 June 02
Tiger moth in the Arctiidae family, Little Valley, Nevada, United States, 2012 June 02
Primrose monkeyflower, Mimulus primuloides, meadow, Little Valley, Nevada, United States, 2012 June 02
Somewhere off Highway 50, "The lonliest Highway," Central Nevada, United States, 2012 April 22
Glandular haris, Pringle manzanita, Arctostaphylos pringlei ssp. pringlei, San Jacinto, California, 2012 March 31
Pringle manzanita, Arctostaphylos pringlei ssp. pringlei, with an impressive display of its inflorescences, San Jacinto, California, United States, 2012 March 31
Data sheet, collection from San Francisco, California, United States, 2012 March 28
Sunset and shoreline looking toward Point Conception, an important biogeographic point, California, 2012 March 23
San Bruno Mountain manzanita, Arctostaphylos imbricata, with the city of San Francisco in the background, San Mateo County, California, United States, 2012 March 21
Checker lily, Fritillaria affinis, San Bruno Mountain, California, United States, 2012 March 21
El Capitan at dusk, Yosemite National Park, California, United States, 2012 January 14
Whiteleaf manzanita, Arctostaphylos viscida, in the foreground with Half Dome in the background, Yosemite National Park, California, United States, 2012 January 14
Radioactively-labeled seeds for my research at the University of Nevada, Reno, Nevada, United States, 2011 September 30
Short-eared Owl, Asio flammeus, Twinlakes Road, Bridgeport, California, United States, 2011 December 14
Common Poorwill, Phalaenoptilus nuttallii, Loch Leven Lakes, Sierra Nevada, California, United States, 2011 August 20
Sierra tiger lily, Lilium parvum, Loch Leven Lakes, Sierra Nevada, California, United States, 2011 August 20
Sierra tiger lily, Lilium parvum, Little Valley, Nevada, United States, 2011 July 11
Sierra bog orchid, Platanthera dilatata, America bistort, Polygonum bistortoides, Indian paintbrush, Castilleja sp., in a meadow, Little Valley, Nevada, United States, 2011 July 17
A comma butterfly, Polygonia comma, on a bigleaf lupine, Lupinus polyphyllus, Little Valley, Nevada, United States, 2011 July 17
Common Buckeye, Junonia coenia, on a meadow penstemon, Penstemon rydbergii, Little Valley, Nevada, United States, 2011 July 16
Ants tending aphids, Little Valley, Nevada, United States, 2011 July 16
A cluster of greenleaf manzanita, Arctostaphylos patula seedlings emerging following a fire, Little Valley, Nevada, United States, 2011 July 16
Crimson columbine, Aquilegia formosa, Little Valley, Nevada, United States, 2011 July 13
A member of the insect order Coleoptera interacting with a flower of an American bistort, Polygonum bistortoides, Little Valley, Nevada, United States, 2011 July 13
Sego lily, Calochortus nuttallii, Little Valley, Nevada, United States, 2011 July 11
Brown's peony, Paeonia brownii, Little Valley, Nevada, United States, 2011 June 29
Jack-in-the-pulpit, Arisaema triphyllum, Upper Peninsula of Michigan, United States, 2011 May 29
American Bison, Bison bison, Yellowstone National Park, Wyoming, United States, 2011 May 25
Datura sp. at sunrise on Kelbaker Road in the Mojave National Preserve, Mojave Desert, California, United States, 2011 May 23
In from of Dire wolf, Canis dirus, skulls excavated from tar, La Brea Tar Pits & Museum, Los Angeles, California, United States, 2011 March 19
Botanizing in Anza-Borrego, California, United States, 2011 March 17
Desert tortoise, Gopherus agassizii, Kelbaker Road, Mojave National Preserve, California, United States, 2011 March 16
Fiddlehead, Amsinkia sp., near Anza-Borrego Desert State Park, California, United States, 2011 March 16
Diana's Punch Bowl, Nevada, United Sates, 2010 December 12
Toquima Range from Monitor Valley, Nevada, United States, 2010 December 11
Toiyabe Range from Big Smoky Valley, Nevada, United States, 2010 December 12
Locating dispersed radioactively-labeled seeds using a Geiger counter, Little Valley, Nevada, United States, 2010 October 17
Experimental excoluse to prevent rodents from entering, but allowing other vertebrates to access greenleaf manzanita, Arctostaphylos patula, fruits, Little Valley, Nevada, United States, 2010 September 10
Striped whipsnake, Masticophis taeniatus, Berlin-Ichthyosaur State Park, Nevada, United States, May Day 2010
Desert spiny lizard, Sceloperus magister, Nye County, Nevada, United States, in 2010 April 24
Evening primrose, Oenethera sp., west of Ridgecrest, California, United States, 2010 April 17
Scarlet milkvetch, Astragalus coccineus, Alabama Hills, California, United States, 2010 April 17
California poppies, Eschscholzia californica, west of Ridgecrest, California, United States, 2010 April 17
Monkshood, Acontium columbianum, Spooner Lake, Nevada, United States, 2009 July 21
Lab field work with Scott Stephen's research group in the Sierra San Pedro Mártir, Mexico, 2009 July 18
A member of the insect order Hymenoptera ostensibly pollinating a purple sage, Salvia dorrii, Sierra San Pedro Mártir, Mexico, 2009 July 16
Using fluorescent powder to track seeds dispersed by rodents in the Sierra San Pedro Mártir, Mexico, 2009 July 14
A honey bee, Apis mellifera looking really confused on a chamice flower, Adenostoma fasciculatum 2009 June 15
Spotted coralroot, Corallorhiza maculata, in California, United States, 2009 June 06
Processing a captured female black bear, Ursus americanus, with the Nevada Division of Wildlife, Little Valley, Nevada, United States, 2009 June 05
My collection and accession UC1973803 at Jepson Herbarium, purple sage, Salvia dorrii, collected from Nevada, United States, 2009 June 03
Mount Rose, Nevada, United States, 2009 March 06
Sunset, Mid Hills, California, United States, 2009 January 09
Processing a captured wood mouse, Apodemus sylvaticus, Schiermonnikoog, Netherlands, 2008 December 22
Geoffroy's tamarin, Saguinus geoffroyi, Gamboa, Panama, 2008 July 20
Hourglass treefrog, Dendropsophus ebraccatus, Gamboa, Panama, 2008 July 15
"A member of the insect order Hemiptera, Gamboa, Panama, 2008 July 13
Herbivores of the insect order Coleoptera, Parque Nacional San Lorenzo, Panama, 2008 June 20
Working in a canopy crane, Parque Nacional San Lorenzo, Panama, 2008 June 11
Brown-throated sloth, Bradypus variegatus, Parque Nacional San Lorenzo, Panama, 2008 June 09
Heliotropium curassavicum off Kelbaker Road in the Mojave Desert, Mojave National Preserve, California, United States, 2008 May 24
Western side-blotched lizard, Uta stansburiana, Zzyzx, California, United States, 2008 April 26
An emerging Basidomycete, Mid Hills, Mojave National Preserve, California, United States, 2007 October 06
Post-predeation event by the southern grasshopper mouse, Onychomys torridus, where it placed the abdomen of a pinacate beetle, Eleodes sp., into the ground so it would not release malodorous secretion and the mouse can just eat its head and thorax, Zzyzx, California, United States, 2007 September 30
A member of the insect order Odonata attracted with a Mercury vapor lamp, Desert Studies Center, Zzyzx, California, United States, 2007 September 28
Coachwhip, Masticophis flagellum, Zzyzx, California, United States, 2007 September 22
A captured Merriam's kangaro rat, Dipodomys merriami, with external fur-lined cheek pouches filled with the seeds we used to bait the trap, Mid Hills, California, United States, 2007 July 05
Pallid bat, Antrozous pallidus, Desert Studies Center, Zzyzx, California, United States, 2007 May 29
Merriam's kangaroo rat, Dipodomys merriami, Zzyzx, California, United States, 2007 May 05
Dune evening primrose, Oenethera deltoides, Mid Hills, Mojave National Preserve, California, United States, 2007 April 15
Kingcup cactus, Ecachinocereus triglochidiatus, near Mid Hills, Mojave National Preserve, California, United States, 2007 April 15
Sagebrush lizard, Sceloporus graciosus, Zzyzx, California, United States, 2006 September 30
A captured Panamint kangaroo rat, Dipodomys panamintinus, with external fur-lined cheek pouches filled with the seeds we used to bait the trap, Mid Hills, California, United States, 2006 June 28
Joshua trees, Yucca brevifolia, on Macedonia Canyon Road, Mojave National Preserve, California, United States, 2006 June 21