Catoctin Mountain Park - Common Milkweed
Common Milkweed. Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
National parks: Pinesap - public domain image
Pinesap, Monotropa hypopitys, can be found in September.
Catoctin Mountain Park - Passion Flower
Passion Flower. Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Spotted Jewelweed/Spotted Touch-me-not
Spotted Jewelweed/Spotted Touch-me-not.
National parks: Catalpa - public domain image
Catalpa. Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
National parks: Dogwood - public domain image
Dogwood, Cornus florida. The large white "petals" of the dogwood flower are actually modified leaves. The yellow-green objects in the center of these leaves are the real flower clusters.
National parks: Dogwood - public domain image
Dogwood, Cornus florida. Many dogwoods have died from anthracnose (a group of fungal diseases). Research conducted by The University of Tennessee Dogwood Research Group has produced an anthracnose resistant tre... More
Jack-in-the-pulpit - Public Domain image, National Parks Gallery
Jack-in-the-pulpit. The "pulpit" (spathe) wraps around and covers the "Jack" (spadix) which is covered with tiny male and female flowers. It is pollinated by flies, which the plant attracts through heat and smell.
Catoctin Mountain Park - Cardinal Flower
The Cardinal flower, Lobelia cardinalis grows in damps sites, especially along streams. It blooms August - September. Seek some out and wait for the hummingbirds.
HFCA 1607_NPS Employees, Directors_007.jpg
Stephen Mather's Birthday Party in Yosemite National Park. Public domain photograph of politician, meeting, government and politics, free to use, no copyright restrictions image - Picryl description
HFCA 1607_NPS Employees, Directors_065.jpg
Stephen Mather's Birthday Party in Yosemite National Park. Picryl description: Public domain photograph of Yosemite National Park, nature, free to use, no copyright restrictions image.
McKinley Bar - Joseph Dixon National Parks collection
McKinley Bar, Aug. 8 1932, 92 7, 8s no3, Flower, monk's hood, flower, deep blue
Sequioa National Park - Joseph Dixon National Parks collection
Hospital Rock, Sequoia Park, 101-11 12, April 21, 1933, 4s2, plant, red bud, flower cercese in flower, 1. freize, [nitrate]
Lumière-autokrom. Gullregn i keramikvas mot mörkblå fond. Tillhör en s...
Lumière-autokrom. Gullregn i keramikvas mot mörkblå fond. Tillhör en serie av 3 bilder: 1 autokrom, 1 vanlig (ortokromatisk) och 1 pankromatisk. Autokrom.
Single tobacco flower. The tobacco plant is "topped" before it blooms ...
Public domain photograph - historical image of North Carolina, United States, free to use, no copyright restrictions image - Picryl description
HFCA 1607_Mission 66_503.jpg - Public Domain image, National Parks Gal...
Building with cars parked by it with rolling mountains behind it.
Women in industry. Gas mask production. Flower in hair, Betty Gumbette...
Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less
HFCA 1607_NPS Employees, Women_040.jpg
NPS employee dressed up in period clothing in Muir House in John Muir National Historic Site.
Trädgårdsrep 15 maj 1965Växthus i Stadsparken.
Trädgårdsrep 15 maj 1965Växthus i Stadsparken.
Trädgårdsrep 15 maj 1965Växthus i Stadsparken.
Trädgårdsrep 15 maj 1965Växthus i Stadsparken.
HFCA 1607_NPS Employees, Women_238.jpg
NPS employee leading visitors through the Kenilworth Park and Aquatic Gardens.
HFCA 1607_Native Americans_082.jpg
Navajo girl Lavenna White working as a museum aid at Hubbel Trading Post National Historic Site. Image Number 69-431-69
HFCA 1607_Tektite II April, 1970 (Color) Volume I_198.jpg
All girl team award ceremony during the Tektite II Project in the Virgin Islands National Park.
HFCA 1607_Tektite II April, 1970 (Color) Volume I_203.jpg
All girl team award ceremony during the Tektite II Project in the Virgin Islands National Park.
HFCA 1607_NPS Employees, Directors_374.jpg
Building with cars parked in the parking lot in front of it and snow covered mountains behind it in Glacier National Park.
HFCA 1607_Tektite II April, 1970 (Color) Volume I_188.jpg
All girl team award ceremony during the Tektite II Project in the Virgin Islands National Park.
HFCA 1607_Tektite II April, 1970 (Color) Volume I_165.jpg
All girl team award ceremony during the Tektite II Project in Virgin Islands National Park.
HFCA 1607_NPS Employees, Directors_437.jpg
NPS Director Gary Everyhardt walking through lupin flowers in Glacier Bay National Park and Perservce in Gustavus, Alaska during his Alaska trip.
HFCA 1607_NPS Employees, Directors_447.jpg
NPS Director Gary Everyhardt walking through lupin flowers in Glacier Bay National Park and Perservce in Gustavus, Alaska during his Alaska trip.
HFCA 1607_NPS Employees, Directors_510.jpg
NPS Director William J. Whalen talking to a women in front of a mountain on his Alaska trip.
Crab spider munching flies - Public Domain image, National Parks Galle...
Crab spider munching flies in Rocky Mountain National Park Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
El morro national monument Cultural flowers
This member of the aster family lacks ray flowers and is also known as cota tea.
Tiger lily (Lilium columbianum)
Tiger lily (Lilium columbianum) on the trail to Hannegan Pass in North Cascades National Park. NPS/Emma Brown
Rocky Mountains Calypso Orchids
Calypso orchids in Rocky Mountain National Park.
Purple pasque flowers - Flowers from National Park Gallery
Purple pasque flowers in Rocky Mountain National Park. NPS/Jennifer Stegmann
Lake Mead national recreation area - Arizona Lupine
Arizona Lupine Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
National parks: Scorpionweed - public domain image
While the name of this plant refers to curling flowerheads that resemble a scorpion’s tail this plant is neither venomous nor scary.
Desert Sun Flower - Flowers from National Park Gallery
Desert Sun Flower at Lake Mead Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Tonto national monument - Silver-Puff
Silver-Puff Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
National parks: Baneberry - public domain image
closeup of baneberry in bloom, white flowers
Lake Mead national recreation area - Devils Cove
Devils Cove located at Lake Mead Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Grand Teton National Park - Lanceleaf Stonecrop
closeup of lanceleaf stonecrop around limestone
Wild Lupines + Puccoons - National Parks Gallery
Wild Lupines and Puccoons growing in the Dunes.
Grand Teton National Park - Indian Paintbrush
closeup Indian Paintbrush, red Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
National parks: Serviceberry - public domain image
closeup of serviceberry in bloom, white flowers Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Pitcher-Plant- free images of flowers
Picture of a Pitcher-Plant growing in the Dunes.
Grand Teton National Park - Indian Paintbrush
closeup of red Indian Paintbrush Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Prickly-Pear Cactus - Flowers from National Park Gallery
Prickly-Pear Cactus growing in west beach. Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Grand Teton National Park - Longleaf Phlox
closeup of Longleaf Phlox, white & pink Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
A Hint of Purple - Public Domain image, National Parks Gallery
Plant Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Grand Teton National Park - Low Larkspur
closeup of Low Larkspur, violet Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Beavertail Cactus In Bloom - Public Domain image, National Parks Galle...
Beavertail Cactus blooming on the Tonto Plateau in Grand Canyon National Park. (Opuntia basilaris Engelm) D3206
Grand Teton National Park - Alpine Sunflower
closeup of yellow alpine sunflower Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Grand Teton National Park - Cow Parsnip
Cow Parsnip, large bush, white umbell flowers
Cardinal-Flower- free images of flowers
Picture of a Cardinal-Flower growing in the Dunes. Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Grand Teton National Park - Moss Campion
closeup Moss Campion, pink, low growing
Pollinator and its bloom, National Capital Parks - East, 2011.
The Architect of the Capitol (AOC) is the federal agency responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex, which includes the U.S. Capitol building,... More
Pollinator and its bloom, National Capital Parks - East, 2011.
The Architect of the Capitol (AOC) is the federal agency responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex, which includes the U.S. Capitol building,... More
Aquatic bloom, National Capital Parks - East, 2011.
Picryl description: Public domain image of a flower, blooming, flowering, botanical illustration, free to use, no copyright restrictions.
Budding aquatic bloom, National Capital Parks - East, 2011.
The Architect of the Capitol (AOC) is the federal agency responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex, which includes the U.S. Capitol building,... More
Aquatic bloom, National Capital Parks - East, 2011.
The Architect of the Capitol (AOC) is the federal agency responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex, which includes the U.S. Capitol building,... More
Field of aquatic blooms, National Capital Parks - East, 2011.
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Color in the desert - Public Domain image, National Parks Gallery
Hedgehog cactus Public domain photograph of cactus plant, free to use, no copyright restrictions image - Picryl description
National parks: Showy - public domain image
The pagoda mint has beautiful flowers. Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Yellowstone National Park - Joseph Dixon National Parks collection
[Rolling Hills with Trees], Yellowstone National Park, 44, Joseph Dixon Collection, Print
Pollinator in action, George Washington Birthplace National Monument, ...
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Bitterroot (Lewisia rediviva), John Day Fossil Beds National Monument,...
This low-growing perennial prefers gravelly to heavy, dry soil on grasslands and open shrubland.
Wildflowers dot the rocky landscape, John Day Fossil Beds National Mon...
The blooming golden bee plants (Cleome platycarpa) and fiddlenecks (Amsinckia) are both annuals, native to western North America.
Cotton bloom (Gossypium), Montezuma Castle National Monument, 2013.
Cotton remains a major export of the southern United States and a majority of the world's annual cotton crop is of the long-staple American variety.
Desert sunflower (Geraea canescens), Mojave National Preserve, 2014.
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Wine cup (Callirhoe involucrata), Chickasaw National Recreation Area, ...
Wine cup is a drought-tolerant, sprawling flower native to central United States that prefers gravelly or sandy soils. Trailing stems spread vinelike over the ground originating from a carrot-like tuber. Numero... More
A luxurient field of bluebonnets, the state flower, near Marble Falls ...
Title, date, and keywords based on information provided by the photographer. Credit line: The Lyda Hill Texas Collection of Photographs in Carol M. Highsmith's America Project, Library of Congress, Prints and P... More
Purple coneflowers (Echinacea purpurea), Jewel Cave National Monument,...
Coneflowers belong to the sunflower family.
Claretcup (Echinocereus triglochidiatus), Tuzigoot National Monument, ...
Claretcup are mounding cactus, forming bulbous piles of cylindrical stems. There is a thick nectar chamber with many thready pink stamens at the center of the blossom. This nectar is an excellent source of food... More
Coneflower (echinacea) bloom, Sleeping Bear Dunes National Lakeshore, ...
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Pollinating a bloom, New River Gorge National River, 2014.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Indian blanketflower (Gaillardia pulchella), Fort Matanzas National Mo...
Known by many names, including firewheel, Indian blanket or sundance, this adaptable flower is hardy, not picky about its substrate and is highly drought-tolerant. It is also favored by honeybees because of its... More
Grasshopper enjoying a bloom, Chickasaw National Recreation Area, 2014...
Picryl description: Public domain image of incest, natural history, free to use, no copyright restrictions.
Yaupon Berries- free images of flowers
The female version of the yaupon plant with its bright red berries.
International World Peace Rose Garden, Martin Luther King Jr National ...
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Nuttall's sensitive-briar (Mimosa nuttallii), Chickasaw National Recre...
Before blooming, these tiny flowers look a lot like small green bramble fruits. They occur in bunches as seen in the photo. Like a few other Mimosa species, leaves of this plant fold up when touched or disturbe... More
Blooming Yaupon- free images of flowers
The male version of the yaupon plant in bloom.
Milkweeds in bloom, Scotts Bluff National Monument, 2014.
Picryl description: Public domain image of a flower, blooming, flowering, botanical illustration, free to use, no copyright restrictions.
Wildflowers on the landscape, Lava Beds National Monument, 2014.
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Pollinator in action, Lava Beds National Monument, 2014.
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Calystegia sepium- free images of flowers
Commonly known as hedge bindweed, this twining—sometimes trailing—vine with triangular-shaped leaves can be observed along borders of salt marshes and brackish areas.
Claretcup (Echinocereus triglochidiatus), Tuzigoot National Monument, ...
Claretcup are mounding cactus, forming bulbous piles of cylindrical stems. There is a thick nectar chamber with many thready pink stamens at the center of the blossom. This nectar is an excellent source of food... More
Fall landscape, Lake Meredith National Recreation Area, 2014.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Invasive Japanese honeysuckle (Lonicera japonica), Charles Pinckney Na...
Native to eastern Asia, this twining vine (i.e., a climbing plant that grows in a helix around a support) is able to climb up to 33 feet high! Interestingly, this plant always twines around its support from lef... More
Lonicera sempervirens- free images of flowers
Commonly known as coral honeysuckle, this woody vine with narrow, trumpet-shaped flowers whorled at branch tips is popular with hummingbirds and can be observed along edges of forests and thickets at both Cape ... More
Morning glory (Convolvulaceae), Charles Pinckney National Historic Sit...
The common name 'morning glory' is used to describe over 1,000 species of flowering plants in the Convolvulaceae family! Most morning glory flowers unravel in the early morning, though a few are actually night-... More
Indian blanket (Gaillardia pulchella), Chickasaw National Recreation A...
This species of North American flowering plant belongs to the sunflower family. This hardy plant isn't picky about soil and is highly drought-tolerant, so grows best within a dry, hot climate in full sun.
Dogwood Flowers- free images of flowers
Dogwood flowers in bloom this past spring. Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Blooms on the mountainside, New River Gorge National River, 2014.
Picryl description: Public domain image of a world heritage landmark, natural or regular park, free to use, no copyright restrictions.
Wildflowers in bloom, Agate Fossil Beds National Monument, 2014.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Nature at the George Washington Carver Museum, Tuskegee Institute Nati...
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Las Vegas bearpoppy (Arctomecon californica), Tule Springs Fossil Beds...
Even though 'californica' is in its name, the Las Vegas bearpoppy isn't actually found in California. It prefers the harshest, driest soils of the Mojave Desert where few other plants survive. This photo of the... More
Pecan (Carya illinoinensis), Jimmy Carter National Historic Site, 2015...
The word 'pecan' refers, in its most broad sense, to any nut requiring a stone to crack. This includes pecans, walnuts and hickory nuts. The pecan, like the fruit of every other member of the hickory genus, isn... More
Wildflowers in bloom, Lake Mead National Recreation Area, 2015.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Wildflowers, Russell Cave National Monument, 2015.
Lance-leaved coreopsis (Coreopsis lanceolata). Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description