Acadia National Park, Ellsworth, ME
#3237 Whorled Wood Aster Close-up (Oct 06, 2004) 2
Larger
Cape Breton Highlands National Park, Ingonish Beach, NS
#3736 Berries and Asters on the Headlands (Sep 03, 2005) 2
Larger
Oclemena nemoralis (Bog Aster)#3237 Whorled Wood Aster Close-up (Oct 06, 2004) 2
Larger Cape Breton Highlands National Park, Ingonish Beach, NS
#3736 Berries and Asters on the Headlands (Sep 03, 2005) 2
Larger Cape Breton Highlands National Park, Ingonish Beach, NS
#3750 Bog Aster Specimen (Sep 04, 2005) 2
Oenothera biennis (Common Evening Primrose)#3750 Bog Aster Specimen (Sep 04, 2005) 2
Lake in the Hills Fen, Lake in the Hills, IL
#345 Biennial Evening Primrose Ravaged by Japanese Beetles (Aug 23, 2006) 2
#343 Biennial Evening Primrose Close Up (Aug 23, 2006) 3
Larger
Oenothera caespitosa (Tufted Evening Primrose)#345 Biennial Evening Primrose Ravaged by Japanese Beetles (Aug 23, 2006) 2
#343 Biennial Evening Primrose Close Up (Aug 23, 2006) 3
Larger Tonto NF Superstition Wilderness Area, Apache Junction, AZ
#1555 Tufted Evening Primrose Aging to Pink (Mar 26, 2011) 2
Larger
#4641 Tufted Evening Primrose in Morning Light (Mar 28, 2009) 4
Larger
Oenothera clelandii (Sand Evening Primrose)#1555 Tufted Evening Primrose Aging to Pink (Mar 26, 2011) 2
Larger #4641 Tufted Evening Primrose in Morning Light (Mar 28, 2009) 4
Larger Nachusa Grasslands, Nachusa, IL
#652 Sand Evening Primrose Close Up (Jun 28, 2006) 2
Larger
Illinois Beach State Park, Zion, IL
#651 Sand Evening Primrose (Jul 10, 2000) 2
Oenothera deltoides (Dune Evening Primrose)#652 Sand Evening Primrose Close Up (Jun 28, 2006) 2
Larger Illinois Beach State Park, Zion, IL
#651 Sand Evening Primrose (Jul 10, 2000) 2
Anza-Borrego Desert, Borrego Springs, CA
#3322 Dune Evening Primrose with Pink Blush (Feb 01, 2005) 4
Larger
#3321 Tower of Dune Evening Primrose (Feb 01, 2005) 4
Larger
#3315 Henderson Canyon Road Wildflowers at Dawn (Feb 01, 2005) 4
Larger
Anza-Borrego Desert Henderson and Coyote Cyn, Borrego Springs, CA
#2890 Dune Evening Primrose and Sand Verbena (Feb 20, 2004) 3
Larger
#1482 Dune Evening Primrose Large Specimen (Jan 16, 2005) 2
Larger
#2891 Dune Evening Primrose Close-up (Feb 20, 2004) 2
Larger
#3312 Flowers Along Henderson Canyon Road (Jan 31, 2005) 2
Larger
Oenothera flava ssp. taraxacoides (Dandelion Evening Primrose, Yellow Evening Primrose)#3322 Dune Evening Primrose with Pink Blush (Feb 01, 2005) 4
Larger #3321 Tower of Dune Evening Primrose (Feb 01, 2005) 4
Larger #3315 Henderson Canyon Road Wildflowers at Dawn (Feb 01, 2005) 4
Larger Anza-Borrego Desert Henderson and Coyote Cyn, Borrego Springs, CA
#2890 Dune Evening Primrose and Sand Verbena (Feb 20, 2004) 3
Larger #1482 Dune Evening Primrose Large Specimen (Jan 16, 2005) 2
Larger #2891 Dune Evening Primrose Close-up (Feb 20, 2004) 2
Larger #3312 Flowers Along Henderson Canyon Road (Jan 31, 2005) 2
Larger Tonto NF Superstition Wilderness Area, Apache Junction, AZ
#4546 Dandelion Evening Primrose Specimen (Mar 02, 2008) 2
Larger
Oenothera primiveris (Desert Evening Primrose)#4546 Dandelion Evening Primrose Specimen (Mar 02, 2008) 2
Larger Big Bend National Park East Side, Alpine, TX
#4226 Desert Primrose in a Mat of Small-flowered Milkvetch (Mar 04, 2007) 3
Larger
Oligoneuron album (Stiff Aster, White Prairie Goldenrod)#4226 Desert Primrose in a Mat of Small-flowered Milkvetch (Mar 04, 2007) 3
Larger Pingree Prairie (now destroyed), Crystal Lake, IL
#2476 Cylindrical Blazing Star and Stiff Aster (Aug 10, 2003) 2
Lake in the Hills Fen, Lake in the Hills, IL
#1 White Goldenrod Specimen (Jul 27, 2006) 3
Larger
Oligoneuron ohioensis (Ohio Goldenrod)#2476 Cylindrical Blazing Star and Stiff Aster (Aug 10, 2003) 2
Lake in the Hills Fen, Lake in the Hills, IL
#1 White Goldenrod Specimen (Jul 27, 2006) 3
Larger Lake in the Hills Fen, Lake in the Hills, IL
#550 Flat-topped Goldenrod with Bulrush (Sep 16, 2011) 3
Larger
#374 Flat-topped Goldenrod with Grass of Parnassus (Sep 01, 1998) 2
#1224 Small Fringed Gentian with Flat-topped Goldenrod (Sep 06, 2006) 2
Larger
Scuppernong Prairie SNA, Eagle, WI
#1231 Flat-topped Goldenrod Close-up (Sep 10, 2010) 2
Larger
Oligoneuron riddellii (Riddell's Goldenrod)#550 Flat-topped Goldenrod with Bulrush (Sep 16, 2011) 3
Larger #374 Flat-topped Goldenrod with Grass of Parnassus (Sep 01, 1998) 2
#1224 Small Fringed Gentian with Flat-topped Goldenrod (Sep 06, 2006) 2
Larger Scuppernong Prairie SNA, Eagle, WI
#1231 Flat-topped Goldenrod Close-up (Sep 10, 2010) 2
Larger Lake in the Hills Fen, Lake in the Hills, IL
#2308 Riddell's Goldenrod Specimen (Sep 21, 2006) 3
Larger
Oligoneuron rigida var. rigida (Stiff Goldenrod)#2308 Riddell's Goldenrod Specimen (Sep 21, 2006) 3
Larger Lake in the Hills Fen, Lake in the Hills, IL
#426 Stiff Goldenrod in Prairie Setting (Sep 12, 2011) 2
Larger
#429 Stiff Goldenrod Close-up with Bumblebee (Sep 10, 1998) 2
Nachusa Grasslands, Nachusa, IL
#2321 Stiff Goldenrod and Button Liatris on Prairie Hill (Sep 15, 2002) 2
Oligoneuron x lutescens (Yellow Stiff Aster, Prairie Goldenrod)#426 Stiff Goldenrod in Prairie Setting (Sep 12, 2011) 2
Larger #429 Stiff Goldenrod Close-up with Bumblebee (Sep 10, 1998) 2
Nachusa Grasslands, Nachusa, IL
#2321 Stiff Goldenrod and Button Liatris on Prairie Hill (Sep 15, 2002) 2
Chiwaukee Prairie SNA, Pleasant Prairie, WI
#712 Yellow Stiff Aster Close-up (Sep 06, 1999) 2
#711 Yellow Stiff Aster (Sep 06, 1999) 2
Onoclea sensibilis (Sensitive Fern)#712 Yellow Stiff Aster Close-up (Sep 06, 1999) 2
#711 Yellow Stiff Aster (Sep 06, 1999) 2
Lake in the Hills Fen, Lake in the Hills, IL
#151 Sensitive Fern Colony (Jun 10, 1999) 2
#152 Sensitive Fern (Jun 10, 1999) 2
Oplopanax horridus (Devil's Club)#151 Sensitive Fern Colony (Jun 10, 1999) 2
#152 Sensitive Fern (Jun 10, 1999) 2
Opuntia basilaris (Beavertail Cactus)
LargerKofa National Wildlife Refuge, Quartzsite, AZ
#3493 Beavertail Cactus Flower and Bud Close Up (Mar 20, 2005) 2
Anza-Borrego Desert, Borrego Springs, CA
#3024 Large Beavertail Cactus with Over Twenty Blossoms (Apr 13, 2004) 2
Larger
#3432 Beavertail Flower Close-up (Mar 12, 2005) 2
Larger
#3026 Beavertail Cactus Portrait (Apr 13, 2004) 2
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#3587 Beavertail Cactus in Cool Canyon (Apr 12, 2005) 2
#3431 Beavertail Cactus Flower and Buds (Apr 12, 2005) 4
Larger
Opuntia fragilis (Brittle Prickly-Pear)#3493 Beavertail Cactus Flower and Bud Close Up (Mar 20, 2005) 2
Anza-Borrego Desert, Borrego Springs, CA
#3024 Large Beavertail Cactus with Over Twenty Blossoms (Apr 13, 2004) 2
Larger #3432 Beavertail Flower Close-up (Mar 12, 2005) 2
Larger #3026 Beavertail Cactus Portrait (Apr 13, 2004) 2
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#3587 Beavertail Cactus in Cool Canyon (Apr 12, 2005) 2
#3431 Beavertail Cactus Flower and Buds (Apr 12, 2005) 4
Larger Quincy Bluff (TNC), Lake Delton, WI
#1123 Brittle Prickly Pear Cactus (Aug 20, 2000) 2
Opuntia humifusa (Devil's-tongue, Eastern Prickly-Pear)#1123 Brittle Prickly Pear Cactus (Aug 20, 2000) 2
Thomson-Fulton Sand Prairie, Fulton, IL
#666 Eastern Prickly Pear Specimen (Jun 16, 2006) 2
#667 Prickly Pear Cactus Flower (Jun 16, 2006) 3
Larger
Nachusa Grasslands, Nachusa, IL
#687 Eastern Prickly Pear Cactus Flower and Spines (Jun 20, 2008) 4
Larger
#688 Eastern Prickly Pear Cactus on Sandstone Outcrop (Jun 20, 2008) 4
Larger
#2326 Eastern Prickly-Pear Cactus Flower Close-up (Jun 28, 2006) 2
#2325 Metallic Green Bee on Prickly Pear Cactus Flower (Jun 28, 2006) 2
Larger
Illinois Beach State Park, Zion, IL
#685 Eastern Prickly Pear Flower and Bud (Jun 30, 2007) 2
Larger
#631 Harvestman on Prickly Pear Flower (Jul 04, 2006) 3
Larger
#669 Prickly Pear Cactus and Grasshopper (Jul 10, 2000) 3
Larger
#668 Prickly Pear Cactus and Beetle (Jul 10, 2000) 3
Larger
Opuntia littoralis (Western Prickly-Pear)#666 Eastern Prickly Pear Specimen (Jun 16, 2006) 2
#667 Prickly Pear Cactus Flower (Jun 16, 2006) 3
Larger Nachusa Grasslands, Nachusa, IL
#687 Eastern Prickly Pear Cactus Flower and Spines (Jun 20, 2008) 4
Larger #688 Eastern Prickly Pear Cactus on Sandstone Outcrop (Jun 20, 2008) 4
Larger #2326 Eastern Prickly-Pear Cactus Flower Close-up (Jun 28, 2006) 2
#2325 Metallic Green Bee on Prickly Pear Cactus Flower (Jun 28, 2006) 2
Larger Illinois Beach State Park, Zion, IL
#685 Eastern Prickly Pear Flower and Bud (Jun 30, 2007) 2
Larger #631 Harvestman on Prickly Pear Flower (Jul 04, 2006) 3
Larger #669 Prickly Pear Cactus and Grasshopper (Jul 10, 2000) 3
Larger #668 Prickly Pear Cactus and Beetle (Jul 10, 2000) 3
Larger Caspers Wilderness Park, San Juan Capistrano, CA
#3543 Coast Prickly Pear Cactus Flower and Pad (Apr 04, 2005) 2
Opuntia macrocentra var. macrocentra (Santa Rita Prickly-Pear)#3543 Coast Prickly Pear Cactus Flower and Pad (Apr 04, 2005) 2
Big Bend National Park Rio Grande Vlg Area, Alpine, TX
#2843 Desert Landscape with Santa Rita Prickly Pear (Dec 27, 2003) 2
Larger
Opuntia polyacantha (Hair-spine Prickly-Pear, Plains Prickly-Pear)#2843 Desert Landscape with Santa Rita Prickly Pear (Dec 27, 2003) 2
Larger Virgin River Canyon Recreation Area, Littlefield, AZ
#4678 Hair-spine Prickly Pear Cactus Specimen (Apr 11, 2009) 2
Larger
#4677 Hair-spine Prickly Pear Cactus with Creosote Bush (Apr 11, 2009) 3
Larger
Orchidaceae sp. (Cultivated Hybrid Orchid)#4678 Hair-spine Prickly Pear Cactus Specimen (Apr 11, 2009) 2
Larger #4677 Hair-spine Prickly Pear Cactus with Creosote Bush (Apr 11, 2009) 3
Larger Hawaii Tropical Botanical Garden, Papaikou, HI
#4425 Red Orchid in Purple Foliage (Jan 15, 2008) 3
Larger
#4430 Orchids and Ferns (Jan 15, 2008) 3
Larger
#4432 Pink Spotted Orchids and Ferns (Jan 15, 2008) 3
Larger
#4433 Tropical Orchid Pair (Jan 15, 2008) 3
Larger
Orobanche cooperi (Desert Broomrape)#4425 Red Orchid in Purple Foliage (Jan 15, 2008) 3
Larger #4430 Orchids and Ferns (Jan 15, 2008) 3
Larger #4432 Pink Spotted Orchids and Ferns (Jan 15, 2008) 3
Larger #4433 Tropical Orchid Pair (Jan 15, 2008) 3
Larger Anza-Borrego Desert Henderson and Coyote Cyn, Borrego Springs, CA
#1483 Desert Broomrape Mature Specimen (Feb 15, 2005) 4
Larger
#1484 Desert Broomrape Close-up (Jan 16, 2005) 2
Larger
Orobanche uniflora (One-flowered Broomrape)#1483 Desert Broomrape Mature Specimen (Feb 15, 2005) 4
Larger #1484 Desert Broomrape Close-up (Jan 16, 2005) 2
Larger Petit Jean State Park, Morrilton, AR
#4313 One-flowered Broomrape Blossom (Mar 26, 2007) 4
Larger
Mendocino National Forest -- Lake Pillsbury, Potter Valley, CA
#4761 Colorful One-flowered Broomrape (May 08, 2009) 3
Larger
Lake in the Hills Fen, Lake in the Hills, IL
#126 One-flowered Broom Rape Close-up (Jun 12, 1999) 2
#124 One-flowered Broom Rape (Jun 12, 1999) 3
Larger
Great Smoky Mountains (US 441 to Newfound Gap), Gatlinburg, TN
#1069 One-flowered Cancer Root (Apr 26, 2001) 2
Osmunda claytoniana (Interrupted Fern)#4313 One-flowered Broomrape Blossom (Mar 26, 2007) 4
Larger Mendocino National Forest -- Lake Pillsbury, Potter Valley, CA
#4761 Colorful One-flowered Broomrape (May 08, 2009) 3
Larger Lake in the Hills Fen, Lake in the Hills, IL
#126 One-flowered Broom Rape Close-up (Jun 12, 1999) 2
#124 One-flowered Broom Rape (Jun 12, 1999) 3
Larger Great Smoky Mountains (US 441 to Newfound Gap), Gatlinburg, TN
#1069 One-flowered Cancer Root (Apr 26, 2001) 2
Mississippi Palisades S.P., Savanna, IL
#2356 Fertile Frond of Interrupted Fern (May 19, 2008) 4
Larger
Acadia National Park, Ellsworth, ME
#3231 Interrupted Fern Specimen (Oct 07, 2004) 2
Larger
Osmunda regalis (Royal Fern)#2356 Fertile Frond of Interrupted Fern (May 19, 2008) 4
Larger Acadia National Park, Ellsworth, ME
#3231 Interrupted Fern Specimen (Oct 07, 2004) 2
Larger Petit Jean State Park, Morrilton, AR
#1561 Royal Fern by Creek Edge (Apr 06, 2011) 2
Larger
#1562 Royal Fern Fertile Frond (Apr 06, 2011) 3
Larger
Zumbro Falls State Natural Area, Zumbro Falls, MN
#2368 Ostrich Ferns along the Zumbro Shore (Jun 01, 2003) 2
Quincy Bog, Rumney, NH
#5787 Royal Fern with Fertile Frond (Jun 09, 2011) 4
Larger
Cedarburg Bog SNA, Saukville, WI
#2085 Royal Fern Showing Fertile Frond (Jun 09, 2002) 2
Oxalis montana (Common Wood Sorrel)#1561 Royal Fern by Creek Edge (Apr 06, 2011) 2
Larger #1562 Royal Fern Fertile Frond (Apr 06, 2011) 3
Larger Zumbro Falls State Natural Area, Zumbro Falls, MN
#2368 Ostrich Ferns along the Zumbro Shore (Jun 01, 2003) 2
Quincy Bog, Rumney, NH
#5787 Royal Fern with Fertile Frond (Jun 09, 2011) 4
Larger Cedarburg Bog SNA, Saukville, WI
#2085 Royal Fern Showing Fertile Frond (Jun 09, 2002) 2
Oxalis oregana (Redwood Sorrel)
LargerPrairie Creek Redwoods Miner's Ridge Loop, Orick, CA
#3136 Redwood Sorrel Flower and Leaves (May 17, 2009) 4
Larger
Oxalis violacea (Violet Wood Sorrel)#3136 Redwood Sorrel Flower and Leaves (May 17, 2009) 4
Larger Grandview Prairie, Columbus, AR
#3911 Violet Wood Sorrel from a Low Angle (Mar 16, 2006) 3
Larger
Ouachita NF, Albert Pike Winding Stairs Trail, Langley, AR
#4329 Violet Wood Sorrel in a Bed of Leaves (Mar 29, 2007) 4
Larger
Devil's Knob Area, Melbourne, AR
#3971 Violet Wood Sorrel in Full Bloom (Mar 29, 2006) 2
Larger
Petit Jean State Park, Morrilton, AR
#1560 Violet Wood Sorrel Flowers and Leaves (Apr 06, 2011) 4
Larger
Hennig/Kloempken Marsh and Savanna, Huntley, IL
#2069 Violet Wood Sorrel with Fly (May 26, 2002) 3
Larger
Oxydendrum arboreum (Sourwood)#3911 Violet Wood Sorrel from a Low Angle (Mar 16, 2006) 3
Larger Ouachita NF, Albert Pike Winding Stairs Trail, Langley, AR
#4329 Violet Wood Sorrel in a Bed of Leaves (Mar 29, 2007) 4
Larger Devil's Knob Area, Melbourne, AR
#3971 Violet Wood Sorrel in Full Bloom (Mar 29, 2006) 2
Larger Petit Jean State Park, Morrilton, AR
#1560 Violet Wood Sorrel Flowers and Leaves (Apr 06, 2011) 4
Larger Hennig/Kloempken Marsh and Savanna, Huntley, IL
#2069 Violet Wood Sorrel with Fly (May 26, 2002) 3
Larger Red River Gorge Tunnel Ridge Road, Stanton, KY
#5853 Sourwood with Seeds in Fall Color (Oct 21, 2011) 3
Larger
Lake Jocassee Jumping Off Rock, Liberty, SC
#5880 Sourwood in Fall Color (Oct 29, 2011) 3
Larger
Oxypolis rigidior (Cowbane)#5853 Sourwood with Seeds in Fall Color (Oct 21, 2011) 3
Larger Lake Jocassee Jumping Off Rock, Liberty, SC
#5880 Sourwood in Fall Color (Oct 29, 2011) 3
Larger Lake in the Hills Fen, Lake in the Hills, IL
#553 Cowbane Speciman (Aug 22, 2011) 3
Larger
#1232 Cowbane Umbel Close-up (Aug 22, 2011) 3
Larger
Oxytropis campestris (Field Locoweed)#553 Cowbane Speciman (Aug 22, 2011) 3
Larger #1232 Cowbane Umbel Close-up (Aug 22, 2011) 3
Larger Alaska Highway -- Yukon Highway 1, Haines Junction, YT
#5001 Lake Kluane (clue-WHA-nee) Roadside Covered with Wildflowers (Jun 19, 2009) 3
Larger
#5001 Lake Kluane (clue-WHA-nee) Roadside Covered with Wildflowers (Jun 19, 2009) 3
Larger