A selection of photos from trips around the United States of America.
Lassen Volcanic National Park, California
Lassen Volcanic National Park, California
Prairie Creek State Park, California
Pinnacles National Park, California
Valley of Fire State Park, Nevada
Canaan Mountain Wilderness, Utah
Canaan Mountain Wilderness, Utah
Canaan Mountain Wilderness, Utah
Zion National Park, Utah
Zion National Park, Utah
Oljato-Monument Valley, Arizona
Oljato-Monument Valley, Arizona
Death Valley National Park, California
Mesa Verde National Park, Colorado
Chaco Culture National Historic Park, New Mexico
Taos, New Mexico
Badlands National Park, South Dakota
Big Bend Ranch State Park, Texas
Devils Tower National Monument, Wyoming
Arches National Park, Utah
Bryce Canyon National Park, Utah
Canyon Lands National Park, Utah
Canyon Lands National Park, Utah
Capitol Reef National Park, Utah
Long-toed Salamander (Ambystoma macrodactylum, Ambystomatidae) Lassen Volcanic National Park, California
Pacific Chorus Frog (Pseudacris regilla, Hylidae) Prairie Creek State Park, California
Northern Red-legged Frog (Rana aurora, Ranidae) Prairie Creek State Park, California
Coastal Giant Salamander (Dicamptodon tenebrosus, Ambystomatidae) Prairie Creek State Park, California
Coastal Tailed Frog (Ascaphus truei, Ascaphidae) Prairie Creek State Park, California
Coastal Tailed Frog (Ascaphus truei, Ascaphidae) Prairie Creek State Park, California
Canyon Tree Frog (Hyla arenicolor, Hylidae) Canaan Mountain Wilderness, Utah
Canyon Tree Frog (Hyla arenicolor, Hylidae) Zion National Park, Utah
Arizona Toad (Anaxyrus microscaphus, Bufonidae) Zion National Park, Utah
Great Basin Spadefoot (Spea intermontana, Scaphiopodidae) Zion National Park, Utah
Canyon Tree Frog (Hyla arenicolor, Hylidae) Zion National Park, Utah
Canyon Tree Frog (Hyla arenicolor, Hylidae) Zion National Park, Utah
Red-spotted Toad (Anaxyrus punctatus, Bufonidae) Zion National Park, Utah
Great Basin Spadefoot (Spea intermontana, Scaphiopodidae) Zion National Park, Utah
Columbia Spotted Frog (Rana luteiventris, Ranidae) Missoula, Montana
Woodhouse's Toad (Anaxyrus woodhousii, Bufonidae) Badlands National Park, South Dakota
Wood Frog (Lithobates sylvaticus, Ranidae) Yankee Springs Recreation Area, Michigan
Common Side-blotched Lizard (Uta stansburiana, Phrynosomatidae) Valley of Fire State Park, Nevada
Desert Iguana (Dipsosaurus dorsalis, Iguanidae) Valley of Fire State Park, Nevada
Common Chuckwalla (Sauromalus ater, Iguanidae) Valley of Fire State Park, Nevada
Common Sagebrush Lizard (Sceloporus graciosus, Phrynosomatidae) Canaan Mountain Wilderness, Utah
Yellow-backed Spiny Lizard (Sceloporus uniformis, Phrynosomatidae) Zion National Park, Utah
Common Side-blotched Lizard (Uta stansburiana, Phrynosomatidae) Zion National Park, Utah
Pacific Banana Slug (Ariolimax columbianus, Ariolimacidae) Prairie Creek State Park, California
(Coelocnemis sulcata, Tenebrionidae) Canaan Mountain Wilderness, Utah
(Coelocnemis sulcata, Tenebrionidae) Canaan Mountain Wilderness, Utah
Northern Scorpion (Paruroctonus boreus, Vaejovidae) Canaan Mountain Wilderness, Utah
Northern Scorpion (Paruroctonus boreus, Vaejovidae) Canaan Mountain Wilderness, Utah
Desert Hairy Scorpion (Hadrurus arizonensis, Hadruridae) Shoshone, California
Texas Brown Tarantula (Aphonopelma hentzi, Theraphosidae) Big Bend National Park, Texas
(Eremobatidae) Seminole Canyon State Park, Texas
Five-spotted Hawk Moth (Manduca quinquemaculatus, Sphingidae) Seminole Canyon State Park, Texas
Creosote Bush (Larrea tridentata, Zygophyllaceae) Valley of Fire State Park, Nevada
Silver Cholla (Cylindropuntia echinocarpa, Cactaceae) Valley of Fire State Park, Nevada
Golden Pricklypear (Opuntia aurea, Cactaceae) Canaan Mountain Wilderness, Utah
Pale Evening Primrose (Oenothera pallida, Onagraceae) Canaan Mountain Wilderness, Utah
Yucca (Yucca sp., Asparagaceae) Canaan Mountain Wilderness, Utah
Yucca (Yucca sp., Asparagaceae) Canaan Mountain Wilderness, Utah
Western Spiderwort (Tradescantia occidentalis, Commelinaceae) Canaan Mountain Wilderness, Utah
Globemallows (Sphaeralcea sp.,Malvaceae) Zion National Park, Utah
Pricklypear (Opuntia sp., Cactaceae) Canaan Mountain Wilderness, Utah
Black Maidenhair Fern (Adiantum capillus-veneris, Pteridaceae) Zion National Park, Utah
Desert Green Gentian (Frasera albomarginata, Gentianaceae) Zion National Park, Utah
Bristly Langloisia (Langloisia setosissima, Polemoniaceae) Zion National Park, Utah
Lewis Flax (Linum lewisii, Linaceae) Zion National Park, Utah
Desert Prince's Plume (Stanleya pinnata, Brassicaceae) Zion National Park, Utah
Canaigre Dock (Rumex hymenosepalus, Polygonaceae) Oljato-Monument Valley, Arizona
Yerba Mansa (Anemopsis californica, Saururaceae) Ash Meadows National Wildlife Refuge, Nevada
Giant Redwood (Sequoiadendron giganteum, Cupressaceae) Sequoia National Park, California
Pacific Trillium (Trillium ovatum, Melanthiaceae) Prairie Creek State Park, California
Glacier Lily (Erythronium grandiflorum, Liliaceae) Yellowstone National Park, Wyoming
Tree Cholla (Cylindropuntia imbricata, Cactaceae) Santa Rosa Lake State Park, New Mexico
Racemose Milkvetch (Astragalus racemosus, Fabaceae) Badlands National Park, South Dakota
Ocotillo (Fouquieria splendens, Fouquieriaceae) Seminole Canyon State Park, Texas
Meadow Deathcamas (Toxicoscordion venenosum, Melanthiaceae) Devils Tower National Monument, Wyoming
Dwarf Lousewort (Pedicularis centranthera, Orobanchaceae) Bryce Canyon National Park, Utah
Black-eyed Susan (Rudbeckia hirta, Asteraceae) Fowler Woods State Nature Preserve, Ohio
Purple Coneflower (Echinacea purpurea, Asteraceae) Fowler Woods State Nature Preserve, Ohio
American Dipper (Cinclus mexicanus, Cinclidae) Prairie Creek State Park, California
Yellow-headed Blackbird (Xanthocephalus xanthocephalus, Icteridae) Missoula, Montana
Merriam's Pocket Mouse (Perognathus merriami, Heteromyidae) Seminole Canyon State Park, Texas
Frost's Bolete (Exsudoporus frostii, Boletaceae) Yankee Springs Recreation Area, Michigan
Peck's Yellow Dust Amanita (Amanita elongata, Amanitaceae) Yankee Springs Recreation Area, Michigan
Common Milkcaps (Lactarius sp, Russulaceae) Yankee Springs Recreation Area, Michigan