A
Abies balsamea (Balsam Fir)
Toft Point SNA, Bailey's Harbor, WI
#2816 Wild Lettuce and Twinflower Spill Out of the Woods (Jun 22, 2016) 3
  Larger

Abies lasiocarpa (Subalpine Fir)
Olympic National Park -- Obstruction Point Road, Port Angeles, WA
#6751 Dwarf Lupine and American Bistort Share an Alpine Meadow (Jul 24, 2014) 3
  Larger

#6743 Avalanche Lilies and Crooked Fir Trees in the Fog (Jul 24, 2014) 3
  Larger

#6742 Pacific Sedum with Ground Juniper on a Rock Outcrop (Jul 24, 2014) 3
  Larger

Olympic National Park -- Lillian Ridge Trail, Port Angeles, WA
#6779 Heath Flowers in a Meadow with the Olympic Mountains Behind (Jul 25, 2014) 3
  Larger

Abronia fragrans (Snowball Sand Verbena)
Zion NP, Springdale, UT
#6028 Snowball Sand Verbena Specimen (Apr 24, 2012) 3
  Larger

#6029 Snowball Sand Verbena Close-up (Apr 24, 2012) 4
  Larger

Abronia latifolia (Yellow Sand Verbena)
King's Range Mattole River Road and Beach, Ft. Bragg, CA
#3123 Yellow Sand Verbena over Driftwood (Jun 09, 2004) 3
  Larger

#3127 Yellow Sand Verbena Close-up (Jun 10, 2004) 2
  Larger

Abronia villosa (Hairy Sand Verbena)
Anza-Borrego Desert, Borrego Springs, CA
#3370 Sand Verbena and Spectacle Pod (Feb 15, 2005) 2
#3316 Dune Sunflower and Sand Verbena (Feb 01, 2005) 3
  Larger

#1405 Sand Verbena and Other Plants in Mine Wash (Feb 28, 1998) 2
  Larger

#3315 Henderson Canyon Road Wildflowers at Dawn (Feb 01, 2005) 3
  Larger

#3323 Clump of Desert Dandelion with Sand Verbena (Feb 01, 2005) 2
  Larger

#2888 Multicolored Sand Verbena (Mar 05, 2010) 2
  Larger

#3381 A Wet Sand Bouquet (Feb 15, 2005) 3
  Larger

Anza-Borrego Desert Henderson and Coyote Cyn, Borrego Springs, CA
#3336 Sand Verbena Close-up with Intense Color (Feb 15, 2005) 2
#3312 Flowers Along Henderson Canyon Road (Jan 31, 2005) 2
  Larger

#1404 Sand Verbena Close Up (Feb 01, 2005) 3
  Larger

#2890 Dune Evening Primrose and Sand Verbena (Feb 20, 2004) 2
  Larger

#1403 Sand Verbena with Santa Rosa Mountains in Background (Feb 28, 1998) 3
  Larger

#3335 A Mixed Desert Bouquet (Feb 01, 2005) 3
  Larger

Abutilon incanum (Hoary Abutilon, Sweet Pelotazo)
Tonto NF Superstition Wilderness Area, Apache Junction, AZ
#4572 Hoary Abutilon Specimen (Feb 25, 2008) 2
  Larger

Abutilon menziesii (Ko'oloa 'ula)
Amy Greenwell Ethnobotanical Garden, Captain Cook, HI
#6265 Ko'oloa 'ula Specimen (Oct 04, 2012) 3
  Larger

Acacia koa (Koa)
Mauna Loa Road Hawaii Volcano National Park, Volcano, HI
#6259 Koa Nurse Log with Koa Seedling (Oct 06, 2012) 3
  Larger

Kipuka Puaulu Hawaii Volcanoes National Park, Volcano, HI
#4521 Koa Juvenile Leaves and Mature Phyllodes (Oct 05, 2012) 3
  Larger

Mauna Loa Road Hawaii Volcano National Park, Volcano, HI
#6236 Koa Forest Along the Road (Oct 06, 2012) 3
  Larger

#6240 Koa Grove with Grass and Ferns (Oct 06, 2012) 3
  Larger

Waimea Canyon, Waimea, HI
#4490 Waimea Canyon in the Mist (Jan 21, 2008) 4
  Larger

#4494 Koa Ohi'a Forest (Jan 20, 2008) 2
  Larger

Acer circinatum (Vine Maple)
Olympic National Park -- Quinault, Hoquiam, WA
#4861 Vine Maple Filling Gorge (May 28, 2009) 3
  Larger

#4862 Willaby Creek Gorge Wall (May 28, 2009) 4
  Larger

Acer macrophyllum (Bigleaf Maple)
Redwood National Park Tall Trees Area, Orick, CA
#4844 Bigleaf Maple Festooned with Vegetation (May 18, 2009) 4
  Larger

Mendocino National Forest -- Lake Pillsbury, Potter Valley, CA
#4764 Bigleaf Maple Developing Seeds (May 09, 2009) 3
  Larger

Acer pensylvanicum (Striped Maple)
Great Smoky Mountains (Porters Creek Trail), Gatlinburg, TN
#1310 Striped Maple Flowers (Apr 10, 2015) 3
  Larger

Great Smoky Mountains (Little River Rd; Cades C), Gatlinburg, TN
#5872 Striped Maple Foliage Beside Fighting Creek Cascade (Oct 27, 2011) 3
  Larger

Acer rubrum (Red Maple)
Starved Rock State Park, Ottawa, IL
#695 Maple Leaves, Ferns and Moss (Oct 20, 2009) 3
  Larger

Red River Gorge Rock Bridge Trail, Stanton, KY
#5838 Red Maple and Bigleaf Magnolia in Fall Color (Oct 19, 2011) 3
  Larger

Sleeping Bear Dunes National Lakeshore, Empire, MI
#2175 Red Maple in a Grove of White Pine (Oct 13, 2015) 3
  Larger

Baraga County, L'Anse, MI
#1816 Lower Silver River Falls Upper Cascade (Oct 09, 2015) 3
  Larger

#1975 2. Descending to Sturgeon Falls -- Maples with Pine Understory (Oct 08, 2015) 3
  Larger

#1976 3. Descending to Sturgeon Falls -- Maple over the Trail (Oct 08, 2015) 3
  Larger

#1839 Lower Silver River Shore (Oct 09, 2015) 3
  Larger

#2117 Red Maple on Moss Covered Rocks (Oct 09, 2015) 3
  Larger

Nestoria Herman Road, L'Anse, MI
#2123 Brackenfern and Maple Kaleidoscope (Oct 10, 2015) 3
  Larger

#2164 Roadside Bog (Oct 10, 2015) 3
  Larger

Porcupine Mountains - Big Carp River, Ontonagon, MI
#1952 Red and Sugar Maple Foliage (Oct 06, 2015) 3
  Larger

Ottawa National Forest Sylvania Wilderness, Watersmeet, MI
#1844 Red Maple in a Green Woodland (Oct 03, 2015) 2
  Larger

Indian Pond, Orford, NH
#756 Red Maple and Highbush Blueberry (Sep 25, 2007) 3
  Larger

#772 Red Maple on the Rocky Shore (Oct 09, 2007) 2
  Larger

Acer saccharum (Sugar Maple)
Shawnee NF -- Garden of the Gods, Mitchellsville, IL
#956 Maple on the Valley Floor (Nov 05, 2014) 3
  Larger

Starved Rock State Park, Ottawa, IL
#5378 Gold and Yelllow Floating Leaves (Oct 31, 2016) 3
  Larger

#695 Maple Leaves, Ferns and Moss (Oct 20, 2009) 3
  Larger

#5361 Pawpaw Shrubs in a Hardwood Forest (Nov 01, 2016) 3
  Larger

Baraga County, L'Anse, MI
#1969 Red Oak, Sugar Maple, White Pine Portrait (Oct 08, 2015) 3
  Larger

Porcupine Mountains - Big Carp River, Ontonagon, MI
#1952 Red and Sugar Maple Foliage (Oct 06, 2015) 3
  Larger

Great Smoky Mountains (US 441 to Newfound Gap), Gatlinburg, TN
#6860 Fringed Phacelia Under a Sugar Maple (Apr 12, 2015) 3
  Larger

Dugway Road, Cassville, WI
#3777 Dugway Road and Bluff Side (Oct 19, 2014) 3
  Larger

Copper Falls State Park, Mellen, WI
#5342 Stairs in a Sugar Maple Woods (Oct 13, 2016) 3
  Larger

#5343 Red Granite Falls Trailhead (Oct 12, 2016) 3
  Larger

Wyalusing SP, Prairie Du Chien, WI
#3782 Sunrise over the Wisconsin River (Oct 20, 2014) 4
  Larger

#891 Cathedral Tree Drive in Fall Color (Oct 20, 2014) 3
  Larger

#5767 Fall Kaleidoscope of Colors (Oct 20, 2014) 3
  Larger

Achillea millefolium (Yarrow)
Mt. Harrison Research Natural Area, Albion, ID
#6707 Vast Field of Lupine with Yarrow (Jul 18, 2014) 2
  Larger

#6708 Christ's Paintbrush with a Mixture of Other Wildflowers (Jul 18, 2014) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#276 Yarrow Close-up (Jun 30, 2006) 3
  Larger

#271 Black-Eyed Susan Trio with Bergamot and Yarrow (Jul 17, 2005) 3
  Larger

Harlem Hills Prairie, Loves Park, IL
#2785 Early Summer Prairie (Jun 18, 2016) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#1382 American Copper Butterfly on Yarrow (Jul 06, 2011) 4
  Larger

Lost Mound Unit of Upper Mississippi River NWR, Savanna, IL
#1469 American Copper Butterfly on Yarrow (Jul 02, 2015) 3
  Larger

Olympic National Park -- Lillian Ridge Trail, Port Angeles, WA
#6772 Perfect Natural Rock Garden (Jul 25, 2014) 3
  Larger

#6771 Scree Slope with Stripes of Vegetation (Jul 25, 2014) 3
  Larger

#6769 Yarrow Pink Color Phase (Jul 25, 2014) 3
  Larger

Achyronychia cooperi (Frost Mat, Onyxflower)
Anza-Borrego Desert Henderson and Coyote Cyn, Borrego Springs, CA
#3341 Frost Mat Close-up (Feb 15, 2005) 2
  Larger

#3340 Frost Mat (Feb 15, 2005) 2
Aconitum columbianum (Columbian Monkshood)
Yellowstone US 14 East of Fishing Bridge, Lake Village, WY
#6299 Columbian Monkshood Specimen (Aug 07, 2013) 2
  Larger

#6300 Columbian Monkshood Close-up (Aug 07, 2013) 3
  Larger

Aconitum delphiniifolium (Larkspurleaf Monkshood)
Denali National Park -- Savage River Area, Healy, AK
#5125 Larkspurleaf Monkshood Specimen (Jul 06, 2009) 3
  Larger

#5126 Larkspurleaf Monkshood Flower Very Close Up (Jul 06, 2009) 3
  Larger

Acorus americanus (Sweet Flag)
Spring Bluff Nature Preserve, Winthrop Harbor, IL
#1686 Sweet Flag in Fruit (Aug 21, 2015) 2
  Larger

Actaea pachypoda (White Baneberry)
Trout Park Nature Preserve, Elgin, IL
#1317 White Baneberry Fruit (Oct 11, 2011) 3
  Larger

Matthiessen State Park, Oglesby, IL
#1108 White Baneberry in Flower (May 19, 2011) 4
  Larger

#2048 White Baneberry Flowers Close-up (May 19, 2011) 4
  Larger

Castle Rock State Park, Oregon, IL
#1774 White Baneberry Fruit and Leaves (Sep 22, 2015) 3
  Larger

Willoughby State Forest, West Burke, VT
#4388 White Baneberry Leaves and Fruit -- Doll's Eyes (Poisonous) (Oct 04, 2007) 2
  Larger

Toft Point SNA, Bailey's Harbor, WI
#6614 White Baneberry Flower and Leaves (Jun 23, 2014) 3
  Larger

Actaea rubra (Red Baneberry)
Olympic National Park -- Heart O the Hills Camp, Port Angeles, WA
#985 Red Baneberry in Fruit (Jul 24, 2014) 3
  Larger

Adiantum aleuticum (Aleutian Maidenhair Fern, Five-fingered Fern)
Prairie Creek Redwoods Fern Canyon, Orick, CA
#3141 Canyon Wall Densely Covered with Ferns (May 14, 2009) 4
  Larger

#4816 Five-Finger and Lady Fern on Canyon Wall (May 14, 2009) 2
  Larger

Olympic National Park -- Quinault, Hoquiam, WA
#4862 Willaby Creek Gorge Wall (May 28, 2009) 4
  Larger

Adiantum capillus-veneris (Common Maidenhair Fern)
Mississippi Palisades S.P., Savanna, IL
#5607 Trillium Decorated with Maidenhair Fern (May 09, 2018) 3
  Larger

Big Bend Ranch State Park, Presidio, TX
#4256 Maidenhair Fern on Moss (Mar 11, 2007) 3
  Larger

Adiantum jordanii (California Maidenhair Fern)
Cleveland National Forest Harding Canyon, Modjeska, CA
#1800 Maidenhair and Milkmaids (Feb 20, 1999) 2
  Larger

Adiantum pedatum (Maidenhair Fern)
Mississippi Palisades S.P., Savanna, IL
#1324 Virginia Bluebells Presented by Maidenhair Ferns (May 06, 2015) 3
  Larger

#6576 Wild Geranium in a Bed of Ferns (May 19, 2016) 3
  Larger

#2354 Blue Phlox and Maidenhair (May 23, 2003) 3
  Larger

Zumbro Falls State Natural Area, Zumbro Falls, MN
#2370 Yellow Ladyslipper and Maidenhair (Jun 01, 2003) 2
Aechmia dichlamydea (Bromeliad)
Hawaii Tropical Botanical Garden, Papaikou, HI
#4424 Cultivated Red, White, and Blue Bromeliad (Jan 15, 2008) 3
  Larger

Aesculus glabra (Ohio Buckeye)
Bluff Spring Fen, Elgin, IL
#1158 Ohio Buckeye Flowers Close-up (May 15, 2008) 2
  Larger

#1155 Ohio Buckeye in Flower (May 15, 2008) 3
  Larger

#1164 Ohio Buckeye in Fruit (Sep 07, 2011) 3
  Larger

Aesculus pavia var. flavescens (Pale Buckeye, Red Buckeye)
Lost Maples State Natural Area, Vanderpool, TX
#4282 Pale Buckeye Specimen (Mar 20, 2007) 3
  Larger

Aesculus pavia var. pavia (Red Buckeye)
Petit Jean State Park, Morrilton, AR
#4316 Red Buckeye Specimen (Mar 26, 2007) 4
  Larger

Agalinis aspera (Rough False Foxglove)
Perrot State Park, Trempealeau, WI
#2485 Rough False Foxglove Specimen (Aug 23, 2016) 2
  Larger

#2484 Rough False Foxglove Close-up (Aug 23, 2016) 3
  Larger

#183 Late Summer Goat Prairie (Aug 22, 2016) 3
  Larger

Agalinis purpurea (Purple False Foxglove)
Lake in the Hills Fen, Lake in the Hills, IL
#5527 Purple False Foxglove and Brook Lobelia (Aug 29, 2017) 3
  Larger

#338 Fen Portrait in Late Summer (Aug 31, 2014) 3
  Larger

#5528 Purple False Foxglove Supported by Horsetails (Aug 29, 2017) 3
  Larger

#371 Purple False Foxglove and Hover Fly (Aug 26, 2006) 3
  Larger

#402 Wildflowers in Late Summer Seep (Sep 04, 2016) 3
  Larger

#372 Purple False Foxglove and Buds (Sep 10, 2011) 3
  Larger

Goose Lake Prairie, Morris, IL
#5299 Purple False Foxglove Pink Color Phase (Aug 31, 2016) 3
  Larger

#5295 Pink and Gold Prairie (Aug 31, 2016) 3
  Larger

#5297 Common Buckeye Caterpillar Feeding on False Foxglove (Aug 31, 2016) 3
  Larger

Illinois Beach State Park, Zion, IL
#2481 Purple False Foxglove Many Flowered Specimen (Sep 10, 2003) 3
  Larger

#645 Purple False Foxglove with Dew Drops (Sep 05, 2006) 3
  Larger

Chiwaukee Prairie SNA, Pleasant Prairie, WI
#373 Purple False Foxglove Close-up (Sep 12, 2008) 4
  Larger

Agalinis sp. (False Foxglove)
Dixie Briggs Fromm, Algonquin, IL
#1702 False Foxglove Specimen (Sep 05, 2015) 3
  Larger

#548 False-Foxglove Close-up (Aug 31, 2012) 3
  Larger

Agalinis tenuifolia (Slender False Foxglove)
Lake in the Hills Fen, Lake in the Hills, IL
#355 Slender False Foxglove Flower Extreme Close-up (Aug 25, 2014) 3
  Larger

#1229 Slender False Foxglove (Aug 29, 2006) 3
  Larger

#2597 Slender Purple False Foxglove Close Up (Sep 01, 2002) 2
  Larger

Necedah NWR, Tomah, WI
#5287 Slender False Foxglove Blooms and Buds (Aug 24, 2016) 3
  Larger

Agastache scrophulariaefolia (Purple Giant Hyssop)
Nachusa Grasslands, Nachusa, IL
#3881 Purple Giant Hyssop Specimen (Aug 03, 2016) 2
  Larger

Agastache urticifolia (Nettleleaf Giant Hyssop, Horse Nettle)
Mores Mountain in Shafer Butte Recreation Area, Boise, ID
#455 Pale Swallowtail Butterfly on Giant Hyssop (Jul 07, 2014) 3
  Larger

Wasatch-Cache NF -- Tony Grove, Garden City, UT
#6735 Wildflowers in an Aspen Grove (Jul 19, 2014) 3
  Larger

Wasatch-Cache NF -- Monte Cristo Scenic Drive, Ogden, UT
#6726 Colony of Oneflower Sunflowers with Horse Nettles (Jul 19, 2014) 2
  Larger

#6733 Horse Nettle Colony (Jul 19, 2014) 2
  Larger

Agave deserti (Desert Agave)
Anza-Borrego Desert, Borrego Springs, CA
#2999 Desert Agave Flower Cluster (Feb 15, 2006) 2
  Larger

#1457 Desert Agave Snow Covered Mountain Background (Apr 01, 1998) 2
  Larger

#3861 Desert Agave Very Close-up (Feb 15, 2006) 3
  Larger

#3860 Desert Agave Specimen (Feb 15, 2006) 3
  Larger

Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#3595 Desert Agave on Cool Canyon Wall (Apr 13, 2005) 2
  Larger

Anza-Borrego Desert Piedras Grandes, Ocotillo, CA
#5391 Hedgehog Cactus Backed by Agave (Mar 17, 2017) 4
  Larger

Agave glomeruliflora (Chisos Mountain Agave, Chisos Mountain Century Plant)
Big Bend National Park Chisos Mtns, Alpine, TX
#4228 Desert Meets Grassland Meets Forest (Mar 05, 2007) 3
  Larger

Agoseris glauca (Pale Agoseris)
Olympic National Park -- Lillian Ridge Trail, Port Angeles, WA
#6771 Scree Slope with Stripes of Vegetation (Jul 25, 2014) 3
  Larger

Olympic National Park -- Obstruction Point Road, Port Angeles, WA
#6757 Pale Agoseris Specimen (Jul 25, 2014) 3
  Larger

Olympic National Park -- Lillian Ridge Trail, Port Angeles, WA
#6772 Perfect Natural Rock Garden (Jul 25, 2014) 3
  Larger

Ajuga reptans (Blue Bugleweed)
David Schwaegler's Home, Lake in the Hills, IL
#2364 Blue Bugleweed Portrait (May 08, 2016) 3
  Larger

Aleurites moluccana (Candlenut, Indian Walnut)
Manuka State Park and Natural Area, Captain Cook, HI
#6200 Candlenut Tree in Flower (Sep 18, 2012) 3
  Larger

Alisma triviale (Northern Water Plantain)
Lake in the Hills Fen, Lake in the Hills, IL
#226 Northern Water Plantain (Jul 15, 1998) 2
  Larger

Allionia incarnata (Trailing Four O'clock, Windmills)
Dead Horse Ranch State Park, Cottonwood, AZ
#3430 Trailing Four O'Clock Close-up (Apr 19, 2012) 3
  Larger

Anza-Borrego Desert, Borrego Springs, CA
#5393 Trailing Four O'Clock Specimen (Mar 18, 2017) 4
  Larger

#3318 Trailing Four O'clock with Desert Poppies (Mar 17, 2017) 4
  Larger

Allium canadense (Wild Garlic)
Deer Grove Forest Preserve, Palatine, IL
#719 Wild Onions Close-up (Jun 10, 2016) 3
  Larger

Allium cernuum (Nodding Onion)
Dixie Briggs Fromm, Algonquin, IL
#1493 Nodding Onion Supported by Big Bluestem Grass (Aug 08, 2015) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#339 Nodding Onion Close-up (Jul 25, 2006) 3
  Larger

#340 Nodding Onion Wet with Dew (Jul 20, 1998) 4
  Larger

#300 Nodding Oniion Pair with Big Bluestem Grass (Aug 05, 2016) 3
  Larger

#335 Nodding Onion Supported by Little Bluestem Grass (Aug 06, 2017) 3
  Larger

Chiwaukee Prairie SNA, Pleasant Prairie, WI
#391 Nodding Onion with Marsh Shield Fern (Aug 09, 2014) 3
  Larger

Allium cratericola (Cascade Onion)
Oroville Table Mountain, Oroville, CA
#2012 Cascade Onion Among Lichen Covered Stones (Mar 26, 2002) 2
Allium crenulatum (Olympic Onion)
Olympic National Park -- Lillian Ridge Trail, Port Angeles, WA
#6774 Olympic Onion Specimen (Jul 25, 2014) 3
  Larger

Allium drummondii (Drummond Onion)
Wichita Mountains NWR, Lawton, OK
#5954 Drummond's Onion Close-up (Mar 29, 2012) 3
  Larger

#6007 Drummond's Onion with Granite Boulder (Mar 31, 2012) 3
  Larger

Allium fimbriatum (Fringed Onion)
Anza-Borrego Desert, Borrego Springs, CA
#3003 Fringed Onion Close-up (Apr 13, 2004) 2
  Larger

Allium haematochiton (Red-skinned Onion)
Santa Rosa Plateau Ecological Preserve, Wildomar, CA
#1373 Red-skinned Onion Flowering Head (Apr 11, 2005) 4
  Larger

Allium tricoccum (Wild Leek)
Johnson's Mound Forest Preserve, Elburn, IL
#2234 Ramps Foliage (Mar 29, 2016) 3
  Larger

Allowissadula holosericea (False Indianmallow, Velvet Leaf)
Big Bend Ranch State Park, Presidio, TX
#4252 False Indianmallow Specimen (Mar 09, 2007) 2
  Larger

Alnus rubra (Red Alder)
Redwood National Park Tall Trees Area, Orick, CA
#4848 Rhododendron Flowers with Red Alder Trunks (May 19, 2009) 4
  Larger

#4847 Rhododendron in a Red Alder Thicket (May 19, 2009) 4
  Larger

Olympic National Park -- Humes Ranch Trail, Port Angeles, WA
#6787 Common Horsetail in a Red Alder Grove (Jul 26, 2014) 3
  Larger

Alnus serrulata (Smooth Alder)
Indian Pond, Orford, NH
#5663 Large Wetland in the Forest (Jul 29, 2018) 3
  Larger

#5660 Steeplebush and Alder in a Sedge Meadow (Jul 29, 2018) 3
  Larger

Ambrosia artemisiifolia (Common Ragweed)
Lake in the Hills Fen, Lake in the Hills, IL
#269 Ragweed Covering Herbicided Patch (Jul 20, 1998) 2
Amelanchier alnafolia (Saskatoon, Alder-leaf Shadbush)
Grand Teton National Park Along US 89 and 191, Jackson (Hole), WY
#6485 Saskatoon Serviceberry in Fall Color Along the Snake River Shore (Sep 16, 2013) 4
  Larger

Amelanchier arborea (Common Serviceberry)
Devil's Knob Area, Melbourne, AR
#3965 Common Serviceberry in Bloom (Mar 29, 2006) 2
  Larger

Amelanchier humilis (Low Shadblow)
Lake in the Hills Fen, Lake in the Hills, IL
#66 Low Shadblow in Flower (May 01, 1999) 2
  Larger

#64 Low Shadblow Foliage (May 01, 1999) 2
Nachusa Grasslands, Nachusa, IL
#2645 Low Shadblow in Fruit (May 16, 2016) 3
  Larger

Spread Eagle Barrens SNA, Florence, WI
#2899 Branch of Low Shadblow in Bloom (May 20, 2004) 3
  Larger

Amelanchier interior (Northern Juneberry, Inland Serviceberry)
Porcupine Mountains - Lake Superior Trail, Ontonagon, MI
#5501 Inland Serviceberry with Fruit (Jul 25, 2017) 3
  Larger

Amerorchis rotundifolia (Round-leaved Bog Orchid)
Shadow (Boot) Lake, Florence, WI
#860 Round-leaved Bog Orchid Specimen (Jun 13, 2005) 2
  Larger

#865 Round-leaved Bog Orchid Spike (Jun 13, 2005) 4
  Larger

#868 Round-leaved Bog Orchid Close Up (Jun 15, 2000) 2
  Larger

#2434 Round-leaved Bog Orchid Showing Leaves (Jun 27, 2003) 2
  Larger

#861 Round-leaved Bog Orchid in White Cedar Swamp (Jun 13, 2005) 4
  Larger

Ammophila breviligulata (Marram Grass)
Prince Edward Island, Charlottetown, PEI
#3715 Lichen and Marram Grass on Stable Dune (Sep 01, 2005) 2
  Larger

Amorpha canescens (Lead Plant)
Dixie Briggs Fromm, Algonquin, IL
#3686 Leadplant Portrait (Jul 03, 2015) 3
  Larger

#1450 Leadplant Emerging from Prairie Grass (Jul 03, 2015) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#443 Stiff Coreopsis with Lead Plant (Jun 25, 2007) 3
  Larger

#293 Lead Plant Colony (Jul 01, 1998) 2
  Larger

#295 Lead Plant Close-up (Jun 30, 2006) 3
  Larger

#296 Lead Plant Very Close Up (Jun 26, 2007) 3
  Larger

Harlem Hills Prairie, Loves Park, IL
#1354 Early Summer Prairie Filled with Blooms (Jun 26, 2017) 3
  Larger

#2785 Early Summer Prairie (Jun 18, 2016) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#2827 Leadplant Close Up (Jul 01, 2016) 3
  Larger

Huntley, Union, Marengo (H.U.M.) R.R. Prairies, Union, IL
#3685 Leadplant and Stiff Coreopsis (Jul 04, 2005) 2
  Larger

Amphicarpaea bracteata (Hog Peanut)
Dixie Briggs Fromm, Algonquin, IL
#392 Hog Peanut Close-up (Aug 24, 2011) 2
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#5694 Hog Peanut Specimen (Aug 17, 2018) 3
  Larger

Amsinckia menziesii var. intermedia (Common Fiddleneck)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#2194 Fiddleneck against Lichen Covered Rock (Mar 15, 2003) 2
  Larger

Amsonia ciliata (Fringed Bluestar)
Wichita Mountains NWR, Lawton, OK
#5976 Fringed Bluestar Specimen (Mar 30, 2012) 2
  Larger

#5977 Fringed Bluestar Close-up (Mar 31, 2012) 3
  Larger

#5978 Fringed Bluestars in Context (Mar 31, 2012) 2
  Larger

Amsonia palmeri (Palmer's Bluestar)
Tonto NF Superstition Wilderness Area, Apache Junction, AZ
#4624 Palmer's Bluestar Close-up (Mar 20, 2009) 2
  Larger

#4623 Palmer's Bluestar Specimen (Mar 20, 2009) 2
  Larger

Anagallis arvensis (Scarlet Pimpernel)
Marin Municipal Watershed -- Pine Mountain, Fairfax, CA
#1786 Scarlet Pimpernel Specimen (Apr 30, 2009) 2
  Larger

Anaphalis margaritacea (Pearly Everlasting)
Ottawa National Forest Sylvania Wilderness, Watersmeet, MI
#1863 Pearly Everlasting Colony in a Sunny Opening (Oct 01, 2015) 2
  Larger

Indian Pond, Orford, NH
#5655 Pearly Everlasting Specimen (Jul 27, 2018) 3
  Larger

Cape Breton Highlands National Park, Ingonish Beach, NS
#3739 Composite Flowers and Ferns (Sep 03, 2005) 3
  Larger

#3738 Painted Lady Butterfly and Composite Flowers (Sep 03, 2005) 3
  Larger

Andromeda polifolia (Bog Rosemary)
Butze Rapids, Prince Rupert, BC
#4914 Bog Rosemary in Flower (Jun 08, 2009) 2
  Larger

Shadow (Boot) Lake, Florence, WI
#903 Bog Rosemary Seeds (Jul 10, 2001) 2
Grandma Lake Wetlands SNA, Long Lake (Florence), WI
#973 Bog Rosemary in Fruit (Jul 12, 2001) 2
Andropogon gerardii (Big Bluestem)
Pikes Peak State Park, McGregor, IA
#3791 Maples and Prairie Grass at Mississippi River Overlook (Oct 19, 2005) 2
  Larger

Dixie Briggs Fromm, Algonquin, IL
#1499 Sweet Black-eyed Susans with Big Bluestem Prairie Grass (Aug 08, 2015) 3
  Larger

#1492 Wild Bergamot Buried in Big Bluestem Grass (Aug 05, 2015) 3
  Larger

#2860 July Prairie Portrait (Jul 02, 2016) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#337 Button Liatris in the Prairie (Aug 31, 2014) 3
  Larger

#5552 Showy Goldenrod with Big and Little Bluestem Grass (Sep 11, 2017) 3
  Larger

#1477 Blackeyed Susans and Hoary Vervain with Prairie Grass (Jul 10, 2015) 3
  Larger

#1726 Showy Goldenrod with Big Bluestem (Sep 18, 2015) 3
  Larger

#2624 Big Bluestem Wet with Dew (Jul 30, 2011) 3
  Larger

#30 Big Bluestem in Bloom Close Up (Aug 05, 2006) 3
  Larger

#401 Big Bluestem Grass (Jul 25, 2006) 4
  Larger

#403 Big Bluestem in Bloom (Jul 29, 2006) 3
  Larger

#92 Showy Goldenrod with Big Bluestem Grass (Sep 16, 2011) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#5314 September Wet Prairie (Sep 13, 2016) 3
  Larger

Lyons Woods Forest Preserve, Waukegan, IL
#2397 Showy Tick-Trefoil Supported by Big Bluestem Grass (Aug 06, 2015) 3
  Larger

Anemone berlandieri (Tenpetal Thimbleweed, Wind-flower)
Grandview Prairie, Columbus, AR
#3909 Tenpetal Thimbleweed Specimen (Mar 16, 2006) 2
Guadalupe River State Park, Bergheim, TX
#4267 Wind-flower in the Rocks (Mar 17, 2007) 2
  Larger

#4266 Wind-flower Specimen (Mar 17, 2007) 3
  Larger

Anemone canadensis (Meadow Anemone)
David Schwaegler's Home, Lake in the Hills, IL
#2077 Meadow Anemone (May 25, 2012) 3
  Larger

Illinois Beach State Park, Zion, IL
#5437 Meadow Anemone with Prairie Phlox Background (Jun 09, 2017) 3
  Larger

Anemone caroliniana (Carolina Anemone)
Devil's Knob Area, Melbourne, AR
#3966 Carolina Anemone Specimen (Mar 29, 2006) 2
#3967 Carolina Anemone Close Up (Mar 29, 2006) 3
  Larger

Anemone deltoidea (Columbian Windflower)
Redwood National Park Tall Trees Area, Orick, CA
#4846 Columbian Windflower Specimen (May 18, 2009) 4
  Larger

Anemone edwardsiana var. petraea (Two-Flower Anemone, Edwards Plateau Thimbleweed)
Lost Maples State Natural Area, Vanderpool, TX
#4281 Two-Flower Anemone Specimen (Mar 20, 2007) 3
  Larger

Anemone narcissiflora (Narcissus-flowered Anemone)
Hatcher Pass, Palmer, AK
#5044 Narcissus-flowered Anemone Close-up (Jun 26, 2009) 3
  Larger

#5043 Narcissus-flowered Anemone with Ferns (Jun 26, 2009) 2
  Larger

Anemone parviflora (Northern Anemone, Small-flowered Anemone, Windflower)
Arctic Valley, Anchorage, AK
#5058 Windflower Specimen (Jun 27, 2009) 3
  Larger

Anemone quinquefolia (Wood Anemone)
Johnson's Mound Forest Preserve, Elburn, IL
#5731 Wood Anemone against a Charred Log (Apr 11, 2010) 4
  Larger

Apple River Canyon State Park, Stockton, IL
#4022 Wood Anemonies Under Stump (Apr 28, 2006) 2
  Larger

Brock Farm Road, Piermont, NH
#4023 Wood Anemone Specimen (May 09, 2006) 3
  Larger

Anemone richardsonii (Yellow Anemone, Yellow Thimbelweed)
Denali National Park -- Thoro Pass Ranger Hike, Healy, AK
#5160 Yellow Anemone Close Up (Jul 10, 2009) 3
  Larger

Anemone tuberosa (Desert Anemone)
Tonto NF Superstition Wilderness Area, Apache Junction, AZ
#3396 Desert Anemone Specimen (Feb 24, 2005) 4
  Larger

#3395 Desert Anemone Colony (Feb 24, 2005) 2
  Larger

Angelica atropurpurea (Great Angelica)
Lake in the Hills Fen, Lake in the Hills, IL
#5539 Great Angelica Colony in a Marsh (Jun 10, 2013) 3
  Larger

#93 Great Angelica Specimen (Jun 07, 2014) 3
  Larger

#32 Red-winged Blackbird Perched in Great Angelica (Jun 22, 2007) 4
  Larger

#94 Great Angelica Close-up (Jun 10, 1998) 2
  Larger

Anisacanthus thurberi (Desert Honeysuckle)
Boyce Thompson Arboretum State Park, Superior, AZ
#5380 Desert Honeysuckle Close-up (Mar 14, 2017) 3
  Larger

Antennaria neglecta (Field Pussy Toes)
Lake in the Hills Fen, Lake in the Hills, IL
#70 Pussy Toes in Mass (May 05, 1999) 2
  Larger

Antennaria rosea (Rosy Pussytoes)
Payette NF, Bear Basin, McCall, ID
#6669 Rosy Pussytoes Specimen (Jul 09, 2014) 3
  Larger

Antheropeas wallacei (Wallace's Woolly Daisy)
Anza-Borrego Desert, Borrego Springs, CA
#3424 Wallace's Woolly Daisies Mixed Colors (Mar 12, 2005) 3
  Larger

#3346 Wallace's Wooly Daisy Specimen (Feb 15, 2005) 2
Anza-Borrego Desert Piedras Grandes, Ocotillo, CA
#2210 Wallace's Woolly Daisy with Coin (Feb 15, 2005) 2
  Larger

Anthurium sp.
South Kona Coast of the Big Island, Captain Cook, HI
#4509 Anthurium (Jan 26, 2008) 3
  Larger

Anthyllis vulneraria (Common Kidneyvetch, Lady Fingers)
Lake in the Hills Fen, Lake in the Hills, IL
#218 Lady Fingers Close-up (Jun 07, 2014) 3
  Larger

Apocynum androsaemifolium (Spreading Dogbane)
Spread Eagle Barrens SNA, Florence, WI
#945 Spreading Dogbane (Jul 20, 2017) 3
  Larger

Aquilegia canadensis (Columbine)
Shawnee NF -- Burden Falls Wilderness, Harrisburg, IL
#1007 Single Strand of Columbine (Apr 29, 2014) 3
  Larger

David Schwaegler's Home, Lake in the Hills, IL
#1184 Columbine Flower and Bud (May 11, 2007) 4
  Larger

Matthiessen State Park, Oglesby, IL
#2040 Columbine against a Dark Background (May 19, 2011) 3
  Larger

Starved Rock State Park, Ottawa, IL
#6585 Columbine Flower and Bud (May 15, 2014) 3
  Larger

Mississippi Palisades S.P., Savanna, IL
#6577 Jack-in-the-Pulpit Under a Columbine (May 14, 2014) 3
  Larger

#1131 Columbine Hanging from a Limestone Cliff Face (May 19, 2016) 3
  Larger

#2114 Columbine with Fragile Fern (May 19, 2016) 3
  Larger

#2353 Columbine and Ferns (May 23, 2003) 3
  Larger

Wadsworth Prairie Nature Preserve, Wadsworth, IL
#5433 Columbine Entwined with Yellow Pimpernel (Jun 09, 2017) 3
  Larger

#5434 Eastern Red Columbine Portrait (Jun 09, 2017) 3
  Larger

Cottonstone Mountain, Orford, NH
#4043 Columbine on a Rock Outcrop (May 10, 2006) 4
  Larger

Great Smoky Mountains (School House Gap Tr.), Gatlinburg, TN
#1060 Columbine on a Moss Covered Boulder (Apr 26, 2010) 2
  Larger

Great Smoky Mountains (Little River Rd; Cades C), Gatlinburg, TN
#1098 Wild Columbine Close-up (Apr 28, 2001) 2
  Larger

Toft Point SNA, Bailey's Harbor, WI
#6615 Mass of Columbine Against the Historic Homestead Wall (Jun 23, 2014) 3
  Larger

Pickerel Lake, Brule River, Florence, WI
#921 Columbine in the Rain (Jun 15, 2000) 2
  Larger

Cave Point Door County Park, Jacksonport, WI
#2410 Deep Red Columbine with Unusual Maroon Leaves (Jul 18, 2003) 2
  Larger

Aquilegia coerulea (Colorado Blue Columbine)
Mt. Harrison Research Natural Area, Albion, ID
#6710 Colorado Blue Columbine in Light Blue Color Phase (Jul 18, 2014) 3
  Larger

#6711 Colorado Blue Columbine Close-up White Color Phase (Jul 18, 2014) 3
  Larger

Wasatch-Cache NF -- Monte Cristo Scenic Drive, Ogden, UT
#6734 Colorado Columbine and Seed Head -- White Color Phase (Jul 19, 2014) 3
  Larger

Aquilegia flavescens (Yellow Columbine)
Gallatin NF -- Red Canyon, West Yellowstone, MT
#6652 Yellow Columbine Flower and Bud (Jul 02, 2014) 3
  Larger

#6841 Yellow Columbine with Pale Pink Petals (Jul 02, 2014) 3
  Larger

Aquilegia formosa (Western Columbine)
Tongass National Forest -- Mitkof Island, Petersburg, AK
#4962 Western Columbine in the Rain (Jun 16, 2009) 4
  Larger

Marin Municipal Watershed -- Pine Mountain, Fairfax, CA
#3146 Western Columbine Close-up (Apr 30, 2009) 4
  Larger

Mores Mountain in Shafer Butte Recreation Area, Boise, ID
#6662 Western Columbine Flower and Bud (Jul 07, 2014) 3
  Larger

Arabis lyrata (Sand Cress)
Thomson-Fulton Sand Prairie, Fulton, IL
#2533 Olympia Marblewing Caterpillar on Sand Cress (May 19, 2016) 3
  Larger

Illinois Beach State Park, Zion, IL
#630 Sand Cress Close-up (May 05, 2008) 3
  Larger

Indiana Dunes National Lakeshore, Chesterton, IN
#2483 Sand Cress Specimen (May 11, 2016) 3
  Larger

The Ridges Sanctuary, Baileys Harbor, WI
#5619 Sand Cress Colony on the Beach (May 22, 2018) 3
  Larger

Arabis missouriensis (Missouri Rockcress)
Devil's Knob Area, Melbourne, AR
#3968 Missouri Rockcress Specimen (Mar 29, 2006) 2
  Larger

#3969 Missouri Rockcress Close Up (Mar 29, 2006) 2
  Larger

Arabis pulchra
Devil's Canyon (BLM), Fruita, CO
#1865 Beautiful Rockcress Specimen (Apr 24, 2005) 2
  Larger

#1866 Beautiful Rockcress Close-up (Apr 24, 2005) 2
  Larger

Aralia hispida (Bristly Sarsaparilla)
Spread Eagle Barrens SNA, Florence, WI
#949 Bristly Sarsaparilla (Jul 10, 2001) 2
Aralia nudicaulis (Wild Sarsaparilla)
The Ridges Sanctuary, Baileys Harbor, WI
#2626 Wild Sarsaparilla (Jun 10, 2002) 2
Aralia racemosa (American Spikenard)
Perrot State Park, Trempealeau, WI
#2504 American Spikenard in Fruit (Aug 22, 2016) 3
  Larger

#2491 American Spikenard Hanging from Cliff Face (Aug 22, 2016) 3
  Larger

Arbutus menziesii (Pacific Madrone)
King's Range Mattole River Road and Beach, Ft. Bragg, CA
#3124 Pacific Madrone in the Forest (Jun 09, 2004) 2
Mendocino National Forest -- Lake Pillsbury, Potter Valley, CA
#4760 Pacific Madrone Bark and Lichen (May 08, 2009) 3
  Larger

Arbutus xalapensis (Texas Madrone)
Lost Maples State Natural Area, Vanderpool, TX
#4288 Texas Madrone in Flower (Mar 20, 2007) 3
  Larger

Arctostaphylos pungens (Pointleaf Manzanita)
Prescott NF Granite Dells, Prescott, AZ
#4658 Pointleaf Manzanita with Dead Trees and Boulders (Mar 31, 2009) 2
  Larger

Arctostaphylos uva-ursa (Bearberry, Kinnikinnick)
Porcupine Mountains - Lake Superior Trail, Ontonagon, MI
#5507 Glade in the Forest (Jul 25, 2017) 3
  Larger

#5503 Weathered Stump with Lichen, Bearberry and Red Oak (Jul 25, 2017) 3
  Larger

Arenaria capillaris ssp. capillaris (Slender Mountain Sandwort)
Olympic National Park -- Obstruction Point Road, Port Angeles, WA
#6740 Lupine, Paintbrush, and Sandwort in an Alpine Meadow (Jul 24, 2014) 3
  Larger

Olympic National Park -- Lillian Ridge Trail, Port Angeles, WA
#6771 Scree Slope with Stripes of Vegetation (Jul 25, 2014) 3
  Larger

Arethusa bulbosa (Dragon's Mouth Orchid)
Nicolet National Forest Bell Lake, Florence, WI
#888 Arethusa Close-up (Jun 15, 2000) 2
Shadow (Boot) Lake, Florence, WI
#877 A Pair of Arethus Orchids with Leatherleaf (Jun 17, 2005) 2
#872 Dragon's Mouth Orchid Profile (Jun 17, 2005) 2
  Larger

#887 Dragon's Mouth Orchid with Sedge and Leatherleaf (Jun 16, 2005) 4
  Larger

Argemone munita (Prickly Poppy)
Anza-Borrego Desert, Borrego Springs, CA
#3014 Prickly Poppy and Painted Lady Butterfly (Apr 13, 2004) 3
  Larger

#3013 Prickly Poppy and Bee (Apr 13, 2004) 2
  Larger

Argentina anserina (Silverweed)
Newport State Park, Ellison Bay, WI
#2110 Silverweed with Lake Background (Jun 10, 2002) 2
#2111 Silverweed (Jun 10, 2002) 2
Arisaema triphyllum (Jack-in-the-Pulpit)
Buffalo National River -- Lost Valley, Ponca, AR
#3940 Jack-in-the-Pulpit Flower and Leaves (Mar 27, 2006) 2
  Larger

Giant City State Park, Carbondale, IL
#5742 Pair of Jacks (Apr 23, 2010) 2
  Larger

David Schwaegler's Home, Lake in the Hills, IL
#258 Jack-in-the-Pulpit in a Woodland Setting (May 10, 2013) 3
  Larger

#259 Jack-in-the-Pulpit Close Up (May 10, 2013) 3
  Larger

#1337 Jack-in-the-Pulpit Abstract (May 24, 2015) 3
  Larger

#567 Jack-in-the-Pulpit in Fruit (Sep 23, 2016) 3
  Larger

Starved Rock State Park, Ottawa, IL
#5733 Jack-in-the-Pulpit in Leaf Litter (Apr 16, 2010) 3
  Larger

Mississippi Palisades S.P., Savanna, IL
#6577 Jack-in-the-Pulpit Under a Columbine (May 14, 2014) 3
  Larger

Quincy Bog, Rumney, NH
#5790 Jack-in-the-Pulpit with Striped Cap (Jun 09, 2011) 4
  Larger

Great Smoky Mountains (Porters Creek Trail), Gatlinburg, TN
#1047 Jack-in-the-Pulpits with a Moss Background (Apr 29, 2010) 3
  Larger

Nicolet National Forest Perch Lake, Florence, WI
#2913 Small Jack-in-the-Pulpit (May 22, 2004) 4
  Larger

Armeria maritima (Thrift Seapink)
Jug Handle State Natural Reserve, Caspar, CA
#4801 Thrift Seapink Flower head Close-up (May 12, 2009) 2
  Larger

Salt Point State Park, Jenner, CA
#4755 Thrift Seapink on the Seashore (May 02, 2009) 3
  Larger

Arnica cordifolia (Heart-leaved Arnica)
Hells Canyon NRA Seven Devils Recreation Site, Riggins, ID
#6679 Heart-leaved Arnica Specimen (Jul 10, 2014) 2
  Larger

Arnica latifolia (Broadleaf Arnica, Mountain Arnica)
Mt. Rainier National Park Natches Pk Loop Trail, White River Entrance, WA
#6803 Wildflowers on a Sunny Slope (Jul 29, 2014) 3
  Larger

Arnica lessingii (Lessing's Arnica, Nodding Arnica)
Denali National Park -- Thoro Pass Ranger Hike, Healy, AK
#5153 Nodding Arnica Colony (Jul 10, 2009) 3
  Larger

Arnica mollis (Hairy Arnica)
Mt. Harrison Research Natural Area, Albion, ID
#6708 Christ's Paintbrush with a Mixture of Other Wildflowers (Jul 18, 2014) 3
  Larger

#6712 Hairy Arnica Colony (Jul 18, 2014) 3
  Larger

Arnoglossum atriplicifolium (Pale Indian Plantain)
Lake in the Hills Fen, Lake in the Hills, IL
#425 Pale Indian Plantain in the Prairie (Aug 26, 2014) 3
  Larger

#5281 Pale Indian Plantain Pair (Aug 15, 2016) 3
  Larger

West Chicago Prairie Forest Preserve, West Chicago, IL
#2059 Pale Indian Plantain Specimen (Aug 22, 2015) 2
  Larger

Arnoglossum plantagineum (Prairie Indian Plantain)
Dixie Briggs Fromm, Algonquin, IL
#2156 Prairie Indian Plantain Colony (Jul 02, 2017) 2
  Larger

Nachusa Grasslands, Nachusa, IL
#2829 July Wildflowers in a Wet Prairie (Jul 01, 2016) 3
  Larger

#609 Prairie Indian Plantain Specimen (Jul 01, 2016) 3
  Larger

#2157 Prairie Indian Plantain Close-up (Jul 01, 2016) 3
  Larger

Aronia prunifolia (Chokeberry)
Nachusa Grasslands, Nachusa, IL
#2646 Black Chokeberry in Flower (May 16, 2016) 3
  Larger

Artemisia absinthium (Absinthe Wormwood)
Theodore Roosevelt National Park, Medora, ND
#6647 Prairie Rose Buried in Sagebrush (Jun 28, 2014) 4
  Larger

Arundina graminifolia (Bamboo Orchid)
Kilauea Iki Area Hawaii Volcanoes National Park, Volcano, HI
#4451 Bamboo Orchid Specimen (Jan 09, 2008) 3
  Larger

Asarum canadense (Wild Ginger)
Trout Park Nature Preserve, Elgin, IL
#1188 Wild Ginger Close-up (Apr 20, 2008) 3
  Larger

Asclepias albicans (White-stemmed Milkweed)
Anza-Borrego Desert Piedras Grandes, Ocotillo, CA
#1448 White-stemmed Milkweed Close-up (Mar 15, 1998) 2
  Larger

#1447 White-stemmed Milkweed (Mar 15, 1998) 2
  Larger

Asclepias exalta (Poke Milkweed)
Bear Creek Forest, Orviston, PA
#5810 Poke Milkweed Specimen (Jun 19, 2011) 3
  Larger

#5811 Poke Milkweed Close-up (Jun 19, 2011) 3
  Larger

Genesee Oak Opening, North Prairie, WI
#2461 Poke Milkweed in Seed (Aug 09, 2016) 2
  Larger

Asclepias hirtella (Tall Green Milkweed)
Avoca Prairie-Savanna SNA, Avoca, WI
#2572 Tall Green Milkweed Close-up (Jul 13, 2002) 2
Asclepias incarnata (Swamp Milkweed)
Lake in the Hills Fen, Lake in the Hills, IL
#29 Swamp Milkweed in a Meadow with Black-Eyed Susans (Jul 23, 2005) 3
  Larger

#221 Swamp Milkweed Close Up (Jul 13, 2006) 3
  Larger

#2392 Swamp Milkweed in Dawn Light (Jul 13, 2003) 4
  Larger

#2393 Swamp Milkweed Large Specimen (Jul 19, 2006) 2
  Larger

Nachusa Grasslands, Nachusa, IL
#2878 Swamp Milkweed Colony (Jul 11, 2016) 3
  Larger

Shadow (Boot) Lake, Florence, WI
#880 Lake Shore with Abundant Diverse Flora (Jul 22, 2017) 3
  Larger

Asclepias lanuginosa (Wooly Milkweed)
Lake in the Hills Fen, Lake in the Hills, IL
#202 Woolly Milkweed Close Up (Jun 13, 2006) 3
  Larger

#5615 Woolly Milkweed in Bud (May 19, 2018) 3
  Larger

#195 Woolly Milkweed Covered with Ants (Jun 07, 2014) 3
  Larger

Asclepias sullivantii (Prairie Milkweed)
Lyons Woods Forest Preserve, Waukegan, IL
#1487 Prairie Milkweed Specimen (Jul 19, 2015) 3
  Larger

Asclepias syriaca (Common Milkweed)
Dixie Briggs Fromm, Algonquin, IL
#1430 Common Milkweed Flower and Buds (Jun 24, 2015) 3
  Larger

#1451 Early Summer Panorama (Jul 03, 2015) 3
  Larger

#1453 Common Milkweed Abstract (Jul 03, 2015) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#219 Common Milkweed Close Up (Jul 01, 1998) 3
  Larger

#576 Great Spangled Fritillary on Common Milkweed (Jun 24, 2017) 3
  Larger

#59 Common Milkweed Pods (Sep 16, 2011) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#655 Common Milkweed Specimen (Jun 28, 2006) 2
  Larger

Indian Pond, Orford, NH
#2134 Tiger Swallowtail on Common Milkweed (Jul 18, 2018) 3
  Larger

#2153 Silver Spotted Skipper on Milkweed (Jul 18, 2018) 3
  Larger

Beulah Bog SNA, East Troy, WI
#223 Milkweed Seeds on Raspberry Foliage (Oct 05, 2011) 3
  Larger

Asclepias tuberosa (Butterfly Weed)
Dixie Briggs Fromm, Algonquin, IL
#1445 Butterflyweed Close-up (Jun 24, 2015) 3
  Larger

#1441 Butterflyweed Specimen (Jun 24, 2015) 3
  Larger

#1436 Butterflyweed with Ox-Eye Daises (Jun 24, 2015) 3
  Larger

Illinois Beach State Park, Zion, IL
#680 Edward's Hairstreak on Butterflyweed (Jul 04, 2006) 4
  Larger

#3108 Aphrodite Fritillary on Butterfly Weed (Jul 06, 2008) 2
  Larger

#670 Butterflyweed in Bud (Jul 04, 2006) 4
  Larger

Spring Green Reserve SNA, Spring Green, WI
#2575 Coral Hairstreak on Butterfly Weed (Jul 13, 2002) 2
  Larger

Asclepias verticillata (Whorled Milkweed)
Lake in the Hills Fen, Lake in the Hills, IL
#470 Monarch Caterpillar on Whorled Milkweed (Aug 23, 2006) 4
  Larger

#298 Whorled Milkweed Colony (Jul 20, 1998) 2
  Larger

#2396 Whorled Milkweed Specimen (Jul 07, 2006) 3
  Larger

Asclepias viridiflora (Short Green Milkweed)
Dixie Briggs Fromm, Algonquin, IL
#2571 Short Green Milkweed with Seedpods (Aug 24, 2014) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#1270 Short Green Milkweed Flower Close-up (Jun 26, 2007) 3
  Larger

#220 Short Green Milkweed (Jun 23, 2012) 3
  Larger

Asimina triloba (Pawpaw)
Starved Rock State Park, Ottawa, IL
#5361 Pawpaw Shrubs in a Hardwood Forest (Nov 01, 2016) 3
  Larger

#5374 Illinois Canyon Woodland in Fall (Oct 31, 2016) 3
  Larger

Asplenium platyneuron (Ebony Spleenwort)
Cossatot River State Park Natural Area, Wickes, AR
#4358 Ebony Spleenwort and Lichen (Mar 28, 2007) 4
  Larger

Dixie Briggs Fromm, Algonquin, IL
#5319 Ebony Spleenwort Showing Sporangia (Aug 06, 2016) 2
  Larger

#5318 Ebony Spleenwort Specimen (Aug 06, 2016) 2
  Larger

Asplenium rhizophyllum (Walking Fern)
Devil's Kitchen Lake, Carbondale, IL
#4105 Walking Fern Colony (Nov 05, 2006) 4
  Larger

Asplenium trichomanes (Maidenhair Spleenwort)
Porcupine Mountains - Lake Superior Trail, Ontonagon, MI
#5500 Maidenhair Spleenwort in a Rocky Crevice (Jul 25, 2017) 2
  Larger

Astragalus canadensis (Canadian Milkvetch)
Nachusa Grasslands, Nachusa, IL
#2926 Canadian Milkvetch in the Prairie (Jul 11, 2016) 3
  Larger

#2928 Canadian Milkvetch Close-up (Jul 11, 2016) 2
  Larger

Astragalus coccineus (Scarlet Locoweed)
Kofa National Wildlife Refuge, Quartzsite, AZ
#3506 Scarlet Locoweed Close Up (Mar 21, 2005) 3
  Larger

#3505 Scarlet Locoweed Specimen (Mar 21, 2005) 3
  Larger

Astragalus crassicarpus (Ground Plum)
Buffalo National River -- Tyler Bend, St. Joe, AR
#3934 Ground Plum Specimen (Mar 25, 2006) 2
Wichita Mountains NWR, Lawton, OK
#5963 Ground Plum Close-up (Mar 29, 2012) 3
  Larger

Astragalus distortus var. distortus (Ozark Milkvetch)
Grandview Prairie, Columbus, AR
#3910 Ozark Milkvetch Specimen (Mar 16, 2006) 3
  Larger

Astragalus layneae (Layne's Milk-vetch)
Death Valley NP Titus Canyon (Amagorsa Mtns.), Inyo County, CA
#1511 Layne's Milkvetch (Mar 15, 1998) 2
  Larger

Astragalus lentiginosus var. borreganus (Borrego Milkvetch)
Anza-Borrego Desert, Borrego Springs, CA
#3319 Borrego Milkvetch Specimen (Feb 01, 2005) 2
  Larger

Anza-Borrego Desert Henderson and Coyote Cyn, Borrego Springs, CA
#3338 Borrego Milkvetch in Context (Feb 15, 2005) 2
#3337 Borrego Milkvetch and Aphids (Feb 15, 2005) 3
  Larger

Astragalus mollissimus (Woolly Locoweed, Woolly Milkvetch)
Capitol Reef NP UT 24 and Scenic Drive, Torrey, UT
#3636 Woolly Locoweed in Seed (Apr 23, 2005) 2
#3635 Woolly Locoweed Specimen (Apr 23, 2005) 2
  Larger

Astragalus nuttallianus (Small-flowered Milkvetch)
Big Bend National Park East Side, Alpine, TX
#4222 Small-flowered Milkvetch Specimen (Mar 04, 2007) 2
  Larger

Enchanted Rock State Natural Area, Fredericksburg, TX
#4270 Small-flowered Milkvetch (Mar 19, 2007) 3
  Larger

Astragalus pomonensis (Pomona Locoweed)
Santa Rosa Plateau Ecological Preserve, Wildomar, CA
#2740 Pomona Locoweed and Red Maids (Feb 28, 2003) 2
  Larger

Astragalus sp. (Locoweed, Milk-vetch)
Anza-Borrego Desert, Borrego Springs, CA
#2881 Locoweed and Bee (Feb 19, 2004) 2
  Larger

#2880 Locoweed and Figwort in Watercourse (Feb 19, 2004) 2
Death Valley NP Titus Canyon (Amagorsa Mtns.), Inyo County, CA
#1522 Annual Prostrate Milk-vetch (Mar 15, 1998) 2
  Larger

Medicine Bow National Forest Snowy Mountains, Laramie, WY
#2937 Unknown Pea-like Flower (Jun 04, 2004) 2
  Larger

Astragalus umbellatus (Hairy Arctic Milk Vetch, Tundra Milkvetch)
Denali National Park -- Savage River Area, Healy, AK
#5133 Hairy Arctic Milkvetch (Jul 06, 2009) 3
  Larger

Astragalus zionis (Zion Milkvetch)
Zion NP Observation Point Trail, Springdale, UT
#1830 Zion Milkvetch Close-up (Apr 26, 2012) 4
  Larger

Zion NP, Springdale, UT
#1827 Zion Milkvetch Specimen (Apr 19, 2005) 3
  Larger

Astrolepis sinuata ssp. sinuata (Wavy Cloakfern)
Boyce Thompson Arboretum State Park, Superior, AZ
#3394 Wavy Cloakfern Specimen (Feb 23, 2005) 2
Athyrium filix-femina (Common Lady Fern)
Prairie Creek Redwoods Fern Canyon, Orick, CA
#4816 Five-Finger and Lady Fern on Canyon Wall (May 14, 2009) 2
  Larger

#3141 Canyon Wall Densely Covered with Ferns (May 14, 2009) 4
  Larger

Dixie Briggs Fromm, Algonquin, IL
#5321 Ladyfern Showing Sporangia (Aug 13, 2016) 2
  Larger

#5320 Ladyfern Specimen (Aug 13, 2016) 2
  Larger

Mississippi Palisades S.P., Savanna, IL
#6573 Trillium and Ladyferns (May 14, 2014) 3
  Larger

Atrichoseris platyphylla (Gravel Ghost)
Death Valley NP, Furnace Creek, CA
#1553 Gravel Ghost Flower Close-up (Mar 17, 2005) 4
  Larger

#3470 Gravel Ghost Specimen (Mar 17, 2005) 4
  Larger

Aureolaria grandiflora var. pulchra (Yellow False Foxglove)
Bluff Spring Fen, Elgin, IL
#1171 Yellow False Foxglove Entire Plant (Jul 20, 1999) 2
Illinois Beach State Park, Zion, IL
#644 Yellow False Foxglove Specimen (Sep 03, 2006) 2
  Larger

Aureolaria pedicularia (Clammy False Foxglove)
Hooper Branch Savanna Nature Preserve, St. Anne, IL
#2487 Clammy False Foxglove (Aug 23, 2003) 2
Illinois Beach State Park, Zion, IL
#1253 Clammy False Foxglove Specimen (Aug 21, 2015) 2
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Necedah NWR, Tomah, WI
#1254 Clammy False Foxglove Close-up (Aug 24, 2016) 3
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#5511 Clammy False Foxglove Flowers and Buds (Jul 26, 2017) 3
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