|
Colorado State University is one of our nation's leading research universities with world-class research in infectious disease, atmospheric science, clean energy technologies, and environmental science. It was founded in 1870 as the Colorado Agricultural College, six years before the Colorado Territory became a state. Colorado State University, located in Fort Collins, Colorado, is situated on nearly 5,000 acres of land, including the main campus, a foothills campus, an agricultural campus, and a mountain campus (Pingree Park). Colorado State also has 4,600 acres for research centers, Cooperative Extension offices, and Colorado State Forest Service stations. |
Remove Filters:
National Forests and Parks(X)
| 274 Images of 105 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5367010 | cheetah | Acinonyx jubatus | A cheetah at the Denver Zoo in Colorado. |
| 5367009 | North American river otter | Lontra canadensis | Otters at the Denver Zoo in Colorado. |
| 5367016 | owls | An owl at the Denver Zoo in Colorado. | |
| 5366847 | pricklypear/cholla | Opuntia spp. | A Senita cactus (Pachycereus schottii) |
| 5366848 | pricklypear/cholla | Opuntia spp. | A Senita cactus (Pachycereus schottii) |
| 5367018 | cranes | Cranes at the Denver Zoo in Colorado. | |
| 5361573 | European red raspberry | Rubus idaeus | Wild strawberries at Rocky Mountain National Park in Colorado. |
| 5361550 | pine, fir, spruce and larch | Close-up view of bark on a tree in Rocky Mountain Park, Colorado. | |
| 5361551 | pine, fir, spruce and larch | Close-up view of bark on a tree in Rocky Mountain Park, Colorado. | |
| 5361141 | fall color | Fall foliage in Rocky Mountain National Park, Colorado. | |
| 5361142 | fall color | Fall foliage in Rocky Mountain National Park, Colorado. | |
| 5365739 | deadwood and snags | Tree snag in a lava field - Craters of the Moon National Monument, Idaho. | |
| 5361552 | ponderosa pine | Pinus ponderosa | Close-up view of the bark of a ponderosa pine tree in Rocky Mountain National Park. |
| 5367064 | Clark's nutcracker | Nucifraga columbiana | Clark's Nutcracker along Trail Ridge Road, Rocky Mountain National Park. |
| 5366882 | geologic feature | Petrified log in the Petrified Forest National Park, Arizona. | |
| 5366881 | geologic feature | Petrified wood in the Petrified Forest National Park, Arizona. | |
| 5366880 | geologic feature | Landscape view of petrified wood in Petrified Forest National Park, Arizona. | |
| 5365737 | geologic feature | Twisted tree snag and view of lava fields in Craters of the Moon National Monument, Idaho. | |
| 5359424 | scarlet macaw | Ara macao | Scarlet macaw on display at La Tigra National Park in Honduras. |
| 5382025 | Arizona walnut | Juglans major | Single tree growing in Coconino National Forest rest area. |
| 5367369 | prairies | View of Dome Rock rising from the prairie, as seen from Scottsbluff National Monument. | |
| 5366428 | fence | An old wagon wheel against a cholla fence at the Phoenix Botanical Gardens in Arizona. | |
| 5361547 | lumber and building materials | Close-up of old wood in a structure | |
| 5361574 | fireweed | Chamerion angustifolium | Fireweed, Chamerion (Epilobium) angustifolium, blooming |
| 5361555 | Rocky Mountains | Moss on a rock at Rocky Mountain Park in Colorado. | |
| 5367001 | African black rhinoceros | Diceros bicornis | An African Black Rhinoceros at the Denver Zoo in Colorado. |
| 5367032 | capybara | Hydrochoerus hydrochaeris | A capybara at the Denver Zoo in Colorado. |
| 5367011 | Amur tiger | Panthera tigris altaica | An Amur tiger at the Denver Zoo in Colorado. |
| 5367060 | American alligator | Alligator mississippiensis | American alligators sunbathing around a pond in Florida. |
| 5367059 | American alligator | Alligator mississippiensis | An American alligator in a pond in Florida. |
| 5367055 | llama | Lama glama | Adult llamas and their crias at the Denver Zoo in Colorado. |
| 5367054 | camel | Camelus spp. | A camel with her calf at the Denver Zoo in Colorado. |
| 5367048 | walrus | Odobenus rosmarus | A walrus at the Denver Zoo in Colorado. |
| 5367047 | horse (feral) | Equus caballus (feral type) | Feral horses at the Denver Zoo in Colorado. |
| 5367046 | wildebeest | Connochaetes taurinus | A gnu (also called wildebeest) at the Denver Zoo in Colorado. |
| 5367044 | water buffalo | Bubalus bubalis | Water buffaloes at the Denver Zoo in Colorado. |
| 5367042 | Thompson's gazelle | Gazella thomsonii | Thompson's gazelles at the Denver Zoo in Colorado. Please note the ostrich in the background. |
| 5367041 | Thompson's gazelle | Gazella thomsonii | Thompson's gazelles at the Denver Zoo in Colorado. |
| 5367040 | polar bear | Ursus maritimus | Polar bears at the Denver Zoo in Colorado. |
| 5367039 | polar bear | Ursus maritimus | A polar bear at the Denver Zoo in Colorado. |
| 5367037 | black bear | Ursus americanus | A black bear at the Denver Zoo in Colorado. |
| 5367038 | polar bear | Ursus maritimus | A polar bear at the Denver Zoo in Colorado. |
| 5367036 | grizzly bear | Ursus arctos | A grizzly bear with her cubs at the Denver Zoo in Colorado. |
| 5367035 | grizzly bear | Ursus arctos | Grizzly bear cubs at the Denver Zoo in Colorado. |
| 5367034 | grizzly bear | Ursus arctos | A grizzly bear cub at the Denver Zoo in Colorado. |
| 5367033 | camel | Camelus spp. | Bactrian camels ( Camelus bactrianus) at the Denver Zoo in Colorado. |
| 5367028 | bighorn sheep | Ovis canadensis | Bighorn sheep at the Denver Zoo in Colorado. |
| 5367030 | American bison | Bison bison | An American bison at the Denver Zoo in Colorado. |
| 5367027 | western gray kangaroo | Macropus fuliginosus | Western gray kangaroos at the Denver Zoo in Colorado. |
| 5367026 | monkey | A monkey at the Denver Zoo in Colorado. | |
| 5367025 | monkey | Monkeys at the Denver Zoo in Colorado. | |
| 5367023 | peafowl | Pavo muticus | A peafowl at the Denver Zoo in Colorado. |
| 5367022 | peafowl | Pavo muticus | A peafowl at the Denver Zoo in Colorado. |
| 5367021 | ostrich | Struthio camelus | An ostrich at the Denver Zoo in Colorado. |
| 5367020 | grey crowned crane | Balearica regulorum | Golden Crowned (or Grey Crowned) cranes at the Denver Zoo in Colorado. |
| 5367019 | grey crowned crane | Balearica regulorum | Golden Crowned (or Grey Crowned) cranes at the Denver Zoo in Colorado. |
| 5367017 | flamingo | Phoenicopterus spp. | Flamingos at the Denver Zoo in Colorado. |
| 5367015 | flamingo | Phoenicopterus spp. | Flamingos at the Denver Zoo in Colorado. |
| 5367013 | grizzly bear | Ursus arctos | A grizzly bear at the Denver Zoo in Colorado. |
| 5367014 | grizzly bear | Ursus arctos | Grizzly bears at the Denver Zoo in Colorado. |
| 5367012 | gray wolf | Canis lupus | A wolf at the Denver Zoo in Colorado. |
| 5367008 | sea lion | Zalophus californianus | A sea lion at the Denver Zoo in Colorado. |
| 5367007 | sea lion | Zalophus californianus | Sea lions at the Denver Zoo in Colorado. |
| 5367006 | Leopard seal | Hydrurga leptonyx | A leopard seal at the Denver Zoo in Colorado. |
| 5367003 | hippopotamus | Hippopotamus amphibius | Hippopotamuses at the Denver Zoo in Colorado. |
| 5366998 | Asian elephant | Elephas maximus | Elephants at the Denver Zoo in Colorado. |
| 5366435 | tabardillo | Calliandra californica | The flowers of a tabardillo at the Phoenix Botanical Gardens in Arizona. |
| 5366432 | candelilla | Euphorbia antisyphilitica | Candelilla at the Phoenix Botanical Gardens in Arizona. |
| 5366430 | guayule | Parthenium argentatum | A guayule plant in bloom at the Phoenix Botanical Gardens in Arizona. |
| 5366429 | guayule | Parthenium argentatum | A guayule at the Phoenix Botanical Gardens in Arizona. |
| 5366422 | desert ironwood | Olneya tesota | A desert ironwood at the Phoenix Botanical Gardens in Arizona. |
| 5366421 | desert ironwood | Olneya tesota | A desert ironwood at the Phoenix Botanical Gardens in Arizona. |
| 5366419 | Engelmann's hedgehog cactus | Echinocereus engelmannii | Engelmann's hedgehog cactus at the Phoenix Botanical Gardens in Arizona. |
| 5366418 | Engelmann's hedgehog cactus | Echinocereus engelmannii | Engelmann's hedgehog cactus plants at the Phoenix Botanical Gardens in Arizona. |
| 5366417 | mother-of-hundreds | Mammillaria compressa | A mother-of-hundreds cactus at the Phoenix Botanical Gardens in Arizona. |
| 5366416 | mother-of-hundreds | Mammillaria compressa | A mother-of-hundreds cactus at the Phoenix Botanical Gardens in Arizona. |
| 5366412 | firecracker cactus | Cleistocactus baumannii | Firecracker cactus plants at the Phoenix Botanical Gardens in Arizona. |
| 5366411 | firecracker cactus | Cleistocactus baumannii | Firecracker cactus plants at the Phoenix Botanical Gardens in Arizona. |
| 5366410 | cactus | Cleistocactus sextonianus | Cleistocactus plants at the Phoenix Botanical Gardens in Arizona. |
| 5366409 | cactus | Cleistocactus sextonianus | Cleistocactus plants at the Phoenix Botanical Gardens in Arizona. |
| 5366403 | whitecolumn foxtail cactus | Escobaria tuberculosa | Whitecolumn foxtail cacti at the Phoenix Botanical Gardens in Arizona. |
| 5366401 | cactus | Gymnocalycium bayrianum | A flowering Gymnocactus at the Phoenix Botanical Gardens in Arizona. |
| 5366397 | elephant bush | Portulacaria afra | An elephant bush at the Phoenix Botanical Gardens in Arizona. |
| 5366398 | elephant bush | Portulacaria afra | An elephant bush at the Phoenix Botanical Gardens in Arizona. |
| 5366393 | cenizo | Leucophyllum laevigatum | A cenizo shrub in bloom at the Phoenix Botanical Gardens in Arizona. |
| 5366392 | cenizo | Leucophyllum laevigatum | A cenizo shrub in bloom at the Phoenix Botanical Gardens in Arizona. |
| 5366380 | desert willow | Chilopsis linearis | The flowers of a desert willow at the Phoenix Botanical Gardens in Arizona. |
| 5366379 | desert willow | Chilopsis linearis | Desert willows at the Phoenix Botanical Gardens in Arizona. |
| 5366878 | desert willow | Chilopsis linearis | A desert willow at the Phoenix Botanical Gardens in Arizona. |
| 5366871 | tabardillo | Calliandra californica | Tabardillo plants at the Phoenix Botanical Gardens in Arizona. |
| 5366870 | tabardillo | Calliandra californica | Tabardillo plants at the Phoenix Botanical Gardens in Arizona. |
| 5361579 | lakes and ponds | A scenic view of the Hanging Lake at Rocky Mountain National Park in Colorado. | |
| 5361570 | spruce | Picea spp. | A spruce tree at Rocky Mountain National Park. |
| 5361566 | mushrooms | A fungus conk (mushroom) on a tree at Rocky Mountain National Park. | |
| 5361565 | lichen | Lichens on a rock. | |
| 5361564 | lichen | Lichens on a rock. | |
| 5361563 | lichen | Lichens on a rock. | |
| 5361561 | lichen | Lichens on a rock. | |
| 5361560 | lichen | Lichens on a rock. | |
| 5361558 | lichen | Lichens on a rock. | |
| 5363895 | rivers and streams | A close up view of a stream on Grand Mesa in Colorado. | |
| 5363894 | rivers and streams | A stream on Grand Mesa in Colorado. | |
| 5363893 | aspen/poplar | Populus spp. | An aspen stand and some vegetation on Grand Mesa in Colorado. |
| 5363892 | aspen/poplar | Populus spp. | An aspen stand at Grand Mesa in Colorado. |
| 5363890 | lakes and ponds | A scenic view of a lake at Grand Mesa in Colorado. | |
| 5361146 | bridge | A wooden bridge and some trees at Rocky Mountain National Park. | |
| 5361144 | aspen/poplar | Populus spp. | A scenic view of the fall foliage of aspen trees at Rocky Mountain National Park. |
| 5361143 | aspen/poplar | Populus spp. | A scenic view of the fall foliage of aspen trees at Rocky Mountain National Park. |
| 5358498 | yucca | Yucca spp. | A yucca plant (Yucca spp.) at the Phoenix Botanical Garden in Arizona. |
| 5358497 | yucca | Yucca spp. | A yucca plant (Yucca spp.) at the Phoenix Botanical Garden in Arizona. |
| 5358509 | old-man of the Andes | Oreocereus celsianus | An Old-man of the Andes cactus Oreocereus celsianus at the Phoenix Botanical Garden in Arizona. |
| 5358508 | old-man of the Andes | Oreocereus celsianus | An Old-man of the Andes cactus Oreocereus celsianus at the Phoenix Botanical Garden in Arizona. |
| 5358506 | old-man cactus | Cephalocereus senilis | Old-man cactus Cephalocereus senilis at the Phoenix Botanical Garden in Arizona. |
| 5358507 | old-man cactus | Cephalocereus senilis | Old-man cactus Cephalocereus senilis at the Phoenix Botanical Garden in Arizona. |
| 5358503 | senita cactus | Pachycereus schottii | Totem Pole cactus, also known as senita cactus, at the Phoenix Botanical Garden in Arizona. |
| 5358502 | senita cactus | Pachycereus schottii | Totem Pole cactus, also known as senita cactus, at the Phoenix Botanical Garden in Arizona. |
| 5367069 | American bison | Bison bison | An American bison at the Custer State Park in Black Hills. |
| 5367068 | deer | A deer at the Rocky Mountain National Park in Colorado. | |
| 5367065 | chipmunk | Tamias spp. | A chipmunk at Rocky Mountains National Park in Colorado. |
| 5367066 | hoary marmot | Marmota caligata | A marmot at the Rocky Mountain National Park in Colorado. |
| 5367067 | bighorn sheep | Ovis canadensis | A bighorn sheep at the Rocky Mountain National Park in Colorado. |
| 5367005 | hippopotamus | Hippopotamus amphibius | Hippopotamuses at the Denver Zoo in Colorado. |
| 5367004 | hippopotamus | Hippopotamus amphibius | A hippopotamus in a pond at the Denver Zoo in Colorado. |
| 5367002 | African black rhinoceros | Diceros bicornis | A rhinoceros at the Denver Zoo in Colorado. |
| 5366999 | Asian elephant | Elephas maximus | An elephant being attended to by a keeper at the Denver Zoo in Colorado. |
| 5366997 | Asian elephant | Elephas maximus | Elephants at the Denver Zoo in Colorado. |
| 5366996 | giraffe | Giraffa camelopardalis | A giraffe at the Denver Zoo in Colorado. |
| 5366995 | giraffe | Giraffa camelopardalis | Giraffes at the Denver Zoo in Colorado. |
| 5366994 | Burchell's zebra | Equus quagga burchellii | Zebras at the Denver Zoo in Colorado. |
| 5367365 | pricklypear/cholla | Opuntia spp. | Cactus plants in the field. |
| 5367364 | pricklypear/cholla | Opuntia spp. | Cactus plants in the field. |
| 5367362 | agave | Agave spp. | Agave plants in bloom in the field. |
| 5366408 | pricklypear/cholla | Opuntia spp. | A cactus plant in the field. |
| 5366407 | pricklypear/cholla | Opuntia spp. | A cactus plant in the field. |
| 5366433 | agave | Agave spp. | Lechuguilla (Agave lechuguilla) plants at the Phoenix Botanical Gardens in Arizona. |
| 5366434 | agave | Agave spp. | Lechuguilla (Agave lechuguilla) plants at the Phoenix Botanical Gardens in Arizona. |
| 5366427 | fence | An old wagon wheel against a cholla fence at the Phoenix Botanical Gardens in Arizona. | |
| 5366425 | pricklypear/cholla | Opuntia spp. | Pencil Cholla Cactus (Opuntia ramosissima Engelm.) at the Phoenix Botanical Gardens in Arizona. |
| 5366426 | pricklypear/cholla | Opuntia spp. | Pencil Cholla Cactus (Opuntia ramosissima Engelm.) at the Phoenix Botanical Gardens in Arizona. |
| 5366424 | pricklypear/cholla | Opuntia spp. | Pencil Cholla Cactus (Opuntia ramosissima Engelm.) at the Phoenix Botanical Gardens in Arizona. |
| 5366423 | pricklypear/cholla | Opuntia spp. | Pencil Cholla Cactus (Opuntia ramosissima Engelm.) at the Phoenix Botanical Gardens in Arizona. |
| 5366420 | barrel cactus | Ferocactus spp. | Fishhook Barrel Cactus (Ferocactus wislizeni) at the Phoenix Botanical Gardens in Arizona. Please note that the Ferocactus genera may sometimes be referred to as Echinocactus. |
| 5366415 | hamatocactus | Hamatocactus spp. | Thelocactus cactus (Thelocactus leucacanthus) plants at the Phoenix Botanical Gardens in Arizonia. Please note that the genera Thelocactus is synonymous to Hamatocactus. |
| 5366414 | barrel cactus | Ferocactus spp. | A Golden Barrel Cactus (Echinocactus grusonii) at the Phoenix Botanical Gardens in Arizona. Please note that the Echinocactus genera may sometimes be referred to as Ferocactus. |
| 5366413 | barrel cactus | Ferocactus spp. | Golden Barrel Cacti (Echinocactus grusonii) at the Phoenix Botanical Gardens in Arizona. Please note that the Echinocactus genera may sometimes be referred to as Ferocactus. |
| 5366406 | melocactus | Melocactus spp. | Melocactus (Melocactus spp.) plants at the Phoenix Botanical Gardens in Arizonia. |
| 5366405 | pricklypear/cholla | Opuntia spp. | Some cactus plants at the Phoenix Botanical Gardens in Arizonia. |
| 5366404 | pricklypear/cholla | Opuntia spp. | Some cactus plants at the Phoenix Botanical Gardens in Arizonia. |
| 5366402 | hamatocactus | Hamatocactus spp. | Thelocactus cactus (Thelocactus tulensis) plants at the Phoenix Botanical Gardens in Arizonia. Please note that the genera Thelocactus is synonymous to Hamatocactus. |
| 5366400 | aloe | Aloe spp. | Aloe (Aloe castanea) plants at the Phoenix Botanical Gardens in Arizonia. |
| 5366399 | aloe | Aloe spp. | Aloe (Aloe dorotheae) at the Phoenix Botanical Gardens in Arizonia. |
| 5366395 | pricklypear/cholla | Opuntia spp. | Cactus plants in bloom at the Phoenix Botanical Gardens in Arizonia. |
| 5366394 | blanketflower | Gaillardia spp. | Blanket flower (Gaillardia pulchella) at the Phoenix Botanical Gardens in Arizonia. |
| 5366391 | kingcup cactus | Echinocereus triglochidiatus | Englemen's Hedgehog Cactus at the Phoenix Botanical Gardens in Arizonia. |
| 5366387 | paloverde | Parkinsonia spp. | Little leaf Palo Verde at the Phoenix Botanical Gardens in Arizonia. Please note that this genus is synonymous to Cercidium. This image is of Cercidium microphyllum. |
| 5366388 | paloverde | Parkinsonia spp. | Little leaf Palo Verde at the Phoenix Botanical Gardens in Arizonia. Please note that this genus is synonymous to Cercidium. This image is of Cercidium microphyllum. |
| 5366389 | paloverde | Parkinsonia spp. | Little leaf Palo Verde at the Phoenix Botanical Gardens in Arizonia. Please note that this genus is synonymous to Cercidium. This image is of Cercidium microphyllum. |
| 5366390 | paloverde | Parkinsonia spp. | Little leaf Palo Verde at the Phoenix Botanical Gardens in Arizonia. Please note that this genus is synonymous to Cercidium. This image is of Cercidium microphyllum. |
| 5366386 | pricklypear/cholla | Opuntia spp. | Chain fruit cholla (Cylindropuntia fulgida), also known as hanging chain cholla or jumping cholla, at the Phoenix Botanical Gardens in Arizonia. |
| 5366385 | saguaro | Carnegiea gigantea | Saguaros at the Phoenix Botanical Gardens in Arizonia. |
| 5366384 | organ pipe cactus | Stenocereus thurberi | Organ Pipe Cactus plants at the Phoenix Botanical Gardens in Arizonia. |
| 5366383 | pricklypear/cholla | Opuntia spp. | Cactus plants at the Phoenix Botanical Gardens in Arizonia. |
| 5366836 | pricklypear/cholla | Opuntia spp. | The long spike of a cactus plant at the Phoenix Botanical Gardens in Arizonia. |
| 5366837 | cactus | Stenocereus spp. | An octopus cactus at the Phoenix Botanical Gardens in Arizona. |
| 5366382 | pricklypear/cholla | Opuntia spp. | Boxing glove cactus (Opuntia fulgida var. mammillata) at the Phoenix Botanical Gardens in Arizona. |
| 5366381 | pricklypear/cholla | Opuntia spp. | Boxing glove cactus (Opuntia fulgida var. mammillata) at the Phoenix Botanical Gardens in Arizona. |
| 5366876 | sage | Salvia spp. | Texas red sage at the Phoenix Botanical Gardens in Arizona. |
| 5366875 | agave | Agave spp. | An agave (Agave datylio var vexans) plant at the Phoenix Botanical Gardens in Arizona. |
| 5366874 | lady's slippers | Cypripedium spp. | Lady's slipper plants at the Phoenix Botanical Gardens in Arizona. |
| 5366873 | lady's slippers | Cypripedium spp. | Lady's slipper plants at the Phoenix Botanical Gardens in Arizona. |
| 5366872 | lady's slippers | Cypripedium spp. | Lady's slipper plants at the Phoenix Botanical Gardens in Arizona. |
| 5366869 | ocotillo | Fouquieria splendens | Ocotillos at the Phoenix Botanical Gardens in Arizona. |
| 5366868 | agave | Agave spp. | The long flower spike of a mescal agave (Agave parryi) plant at the Phoenix Botanical Gardens in Arizona. This is also sometimes called Palmer's agave (A. palmeri). |
| 5366867 | agave | Agave spp. | A Mescal agave (Agave parryi) plant at the Phoenix Botanical Gardens in Arizona. This is also sometimes called Palmer's agave (A. palmeri). |
| 5366866 | agave | Agave spp. | A Murphy's agave (Agave murpheyi) plant at the Phoenix Botanical Gardens in Arizona. |
| 5366865 | agave | Agave spp. | An agave plant at the Phoenix Botanical Gardens in Arizona. |
| 5366864 | agave | Agave spp. | An agave plant at the Phoenix Botanical Gardens in Arizona. |
| 5366863 | agave | Agave spp. | Agave plants at the Phoenix Botanical Gardens in Arizona. |
| 5366862 | pricklypear/cholla | Opuntia spp. | Cactus plants at the Phoenix Botanical Gardens in Arizona. |
| 5366861 | pricklypear/cholla | Opuntia spp. | Cactus plants at the Phoenix Botanical Gardens in Arizona. |
| 5366860 | pricklypear/cholla | Opuntia spp. | A flower of a cactus plant at the Phoenix Botanical Gardens in Arizona. |
| 5366859 | pricklypear/cholla | Opuntia spp. | A cactus plant in bloom at the Phoenix Botanical Gardens in Arizona. |
| 5366858 | pricklypear/cholla | Opuntia spp. | Cactus plants in bloom at the Phoenix Botanical Gardens in Arizona. |
| 5366857 | pricklypear/cholla | Opuntia spp. | Cactus plants in bloom at the Phoenix Botanical Gardens in Arizona. |
| 5366856 | pricklypear/cholla | Opuntia spp. | Cactus plants in bloom at the Phoenix Botanical Gardens in Arizona. |
| 5366854 | pricklypear/cholla | Opuntia spp. | A cactus plant in bloom at the Phoenix Botanical Gardens in Arizona. |
| 5366855 | pricklypear/cholla | Opuntia spp. | A cactus plant in bloom at the Phoenix Botanical Gardens in Arizona. |
| 5366853 | pricklypear/cholla | Opuntia spp. | A cactus plant in bloom at the Phoenix Botanical Gardens in Arizona. |
| 5366851 | barrel cactus | Ferocactus spp. | Golden Barrel Cacti at the Phoenix Botanical Gardens in Arizona. Please note that these may sometimes be referred to as Echinocactus grusonii. |
| 5366850 | barrel cactus | Ferocactus spp. | A Golden Barrel Cactus at the Phoenix Botanical Gardens in Arizona. Please note that these may sometimes be referred to as Echinocactus grusonii. |
| 5366849 | barrel cactus | Ferocactus spp. | A Golden Barrel Cactus at the Phoenix Botanical Gardens in Arizona. Please note that these may sometimes be referred to as Echinocactus grusonii. |
| 5366846 | pricklypear cactus | Opuntia macrorhiza | A Beavertail prickly pear cactus (Opuntia basilaris) at the Phoenix Botanical Gardens in Arizona. |
| 5366845 | pricklypear cactus | Opuntia macrorhiza | A Beavertail prickly pear cactus (Opuntia basilaris) at the Phoenix Botanical Gardens in Arizona. |
| 5366839 | pricklypear/cholla | Opuntia spp. | A teddy bear cholla cactus (Cylindropuntia bigelovii) at the Phoenix Botanical Gardens in Arizona. Please note that its synonym is Opuntia bigelovii. |
| 5366840 | pricklypear/cholla | Opuntia spp. | A teddy bear cholla cactus (Cylindropuntia bigelovii) at the Phoenix Botanical Gardens in Arizona. Please note that its synonym is Opuntia bigelovii. |
| 5366843 | pricklypear cactus | Opuntia macrorhiza | An Englemen's prickly pear cactus at the Phoenix Botanical Gardens in Arizona. |
| 5366844 | pricklypear cactus | Opuntia macrorhiza | An Englemen's prickly pear cactus at the Phoenix Botanical Gardens in Arizona. |
| 5366842 | barrel cactus | Ferocactus spp. | A compass barrel cactus at the Phoenix Botanical Gardens in Arizona. |
| 5366841 | barrel cactus | Ferocactus spp. | A compass barrel cactus at the Phoenix Botanical Gardens in Arizona. |
| 5366838 | cactus | Stenocereus spp. | An octopus cactus at the Phoenix Botanical Gardens in Arizona. |
| 5360278 | Dixie silverback fern | Pityrogramma calomelanos | A fern forest at a botanical garden at Medellin in Colombia. |
| 5365735 | geologic feature | Lava flow in Craters of the Moon National Monument, Idaho. | |
| 5365733 | geologic feature | Lava flow in Craters of the Moon National Monument, Idaho. | |
| 5365730 | geologic feature | Lava flow in Craters of the Moon National Monument, Idaho. | |
| 5365728 | geologic feature | Lava flow in Craters of the Moon National Monument, Idaho. | |
| 5361131 | rivers and streams | Streambed of a backcountry stream in Rocky Mountain National Park, Colorado. | |
| 5361130 | rivers and streams | Backcountry stream in Rocky Mountain National Park, Colorado. | |
| 5361129 | rivers and streams | Backcountry stream in Rocky Mountain National Park, Colorado. | |
| 5358500 | ocotillo | Fouquieria splendens | A Madagascan ocotillo at the Phoenix Botanical Garden. |
| 5358501 | ocotillo | Fouquieria splendens | A Madagascan ocotillo at the Phoenix Botanical Garden. |
| 5358499 | ocotillo | Fouquieria splendens | A Madagascan ocotillo at the Phoenix Botanical Garden. |
| 5358493 | agave | Agave spp. | A mescal agave (Agave parryi var. truncata) at the Phoenix Botanical Garden. |
| 5358494 | agave | Agave spp. | A mescal agave (Agave parryi var. truncata) at the Phoenix Botanical Garden. |
| 5360797 | mountains | Ski runs at Copper Mountain, Colorado. | |
| 5361577 | ponderosa pine | Pinus ponderosa | Close-up view of foliage and developing cones on a ponderosa pine, Rocky Mountain National Park. |
| 5361572 | blanketflower | Gaillardia aristata | Blanketflower, fading and beginning to set seed - Rocky Mountain National Park, Colorado. |
| 5361145 | woody debris | Fallen log and colorful foliage on the forest floor - autumn, Rocky Mountain National Park. | |
| 5359478 | Colorado | A scenic view of Gunnison National Forest in Colorado. | |
| 5361543 | lumber and building materials | Close-up of old wood in a structure in Rocky Mountain National Park, Colorado. | |
| 5361542 | lumber and building materials | Close-up of old wood in a structure in Rocky Mountain National Park, Colorado. | |
| 5361544 | lumber and building materials | Close-up of old wood in a structure in Rocky Mountain National Park, Colorado. | |
| 5361554 | lichen | Moss-like lichen on a piece of old wood in Rocky Mountain National Park, Colorado. | |
| 5361553 | lichen | Moss-like lichen on the bark of a tree in Rocky Mountain National Park, Colorado. | |
| 5361546 | lumber and building materials | Close-up of old wood in a structure in Rocky Mountain National Park, Colorado. | |
| 5361545 | lumber and building materials | Close-up of old wood in a structure in Rocky Mountain National Park, Colorado. | |
| 5366895 | mountains | Rocky Mountains above Estes Park, Colorado. | |
| 5366888 | mountains | Sleeping Ute Mountain, as seen from Mesa Verde National Park. | |
| 5366887 | aspen/poplar | Populus spp. | Aspens turning color in autumn, Rocky Mountain National Park. |
| 5366886 | cattle | Bos spp. | Cattle in a pasture below Grand Mesa, in Colorado. |
| 5366885 | waterfalls | Waterfall in Rocky Mountain National Park. | |
| 5366884 | mountains | Montane scenery in Rocky Mountain National Park, Colorado. | |
| 5366883 | mountains | Autumn landscape in Rocky Mountain National Park. | |
| 5367376 | mountains | Autumn scene in the Utah mountains. | |
| 5367297 | mountains | Scenic view of cliffs and forest near Gateway, Colorado. | |
| 5365743 | mountains | Scenic view of a lava field among pines and Great Basin shrubland, Craters of the Moon National Monument, Idaho. | |
| 5365731 | mountains | View of mountains between lava crags in Craters of the Moon National Monument, Idaho. | |
| 5365742 | pine | Pinus spp. | Pines overlooking a lava flow in Craters of the Moon National Monument, Idaho. |
| 5365741 | *trees | Tree growing inside a crater - Craters of the Moon National Monument, Idaho. | |
| 5365740 | mountains | Crater in Craters of the Moon National Monument, Idaho. | |
| 5365738 | mountains | Twisted tree snag and view of lava fields in Craters of the Moon National Monument, Idaho. | |
| 5365736 | mountains | Twisted tree snag and view of lava fields in Craters of the Moon National Monument, Idaho. | |
| 5365734 | mountains | Scenic vista of mountains over a lava field in Craters of the Moon National Monument, Idaho. | |
| 5365732 | seedlings | Close-up view of a lava flow in which a few small plants are growing - Craters of the Moon National Monument, Idaho. | |
| 5365729 | mountains | Scenic vista over a lava field, Craters of the Moon National Monument, Idaho. | |
| 5365727 | seedlings | Close-up view of a lava flow in which a seedling plant is growing - Craters of the Moon National Monument, Idaho. | |
| 5365726 | pine | Pinus spp. | Pine tree growing out of a lava flow, Craters of the Moon National Monument, Idaho. |
| 5365725 | mountains | Lava formations and vista in Craters of the Moon National Monument, Idaho. | |
| 5367294 | sunsets | A scenic view of sunset at Fruita in Colorado. | |
| 5365915 | rivers and streams | A scenic view of the Colorado River. | |
| 5365914 | rivers and streams | A scenic view of the Colorado River. | |
| 5365913 | rivers and streams | Boaters on the Colorado River at Colorado River Park. | |
| 5365912 | rivers and streams | Boaters on the Colorado River at Colorado River Park. | |
| 5365911 | rivers and streams | Holiday makers bathing in the Colorado River at Colorado River Park. | |
| 5365910 | rivers and streams | A scenic view of the Colorado River by Palisade. | |
| 5365909 | rivers and streams | A scenic view of the Colorado River by Palisade. | |
| 5361578 | lakes and ponds | A scenic view of the Hanging Lake at Rocky Mountain Park in Colorado. | |
| 5361562 | lichen | Lichens on a rock. | |
| 5361559 | lichen | Lichens on a rock. | |
| 5361556 | lichen | Lichens on a rock. | |
| 5361557 | lichen | Lichens on a rock. | |
| 5361140 | brackenfern | Pteridium aquilinum | Bracken fern (Pteridium aquilinum) turning bronze in the fall - Rocky Mountain National Park, Colorado. |
| 5361138 | quaking aspen | Populus tremuloides | Aspen foliage in autumn, Rocky Mountain National Park. |
| 5361137 | quaking aspen | Populus tremuloides | Aspen foliage in autumn, Rocky Mountain National Park, Colorado. |
| 5361136 | quaking aspen | Populus tremuloides | Aspen foliage in autumn, Rocky Mountain National Park. |
| 5361135 | quaking aspen | Populus tremuloides | Colorful fallen leaves of aspen - autumn, Rocky Mountain National Park, Colorado. |
| 5361134 | quaking aspen | Populus tremuloides | Water-splattered fallen leaves of aspen - autumn, Rocky Mountain National Park. |
| 5361133 | quaking aspen | Populus tremuloides | Colorful fallen leaves of aspen - autumn, Rocky Mountain National Park. |
| 5361128 | lakes and ponds | Water surface of a lake in Rocky Mountain National Park. | |
| 5361125 | elk | Cervus canadensis | Herd of elk in a meadow, Rocky Mountain National Park, Colorado. |
| 5361124 | elk | Cervus canadensis | Herd of elk in a meadow, Rocky Mountain National Park, Colorado. |
| 5360318 | rivers and streams | Winter scene along the Colorado River, Glenwood Canyon, Colorado. | |
| 5359832 | mountains | Kit Carson Peak, Sangre de Cristo Mountains, Colorado. | |
| 5359400 | waterfalls | A scenic view of a waterfall in Honduras. | |
| 5359387 | national forest | A scenic view of vegetation near La Tigra in Honduras. |
