Packera aurea (Golden Ragwort)
Ouachita National Forest Caney Creek Wilderness, Langley, AR
#4310 Golden Ragwort Against Moss Covered Tree (Mar 28, 2007) 3
Larger
Ouachita National Forest Little Missouri River, Langley, AR
#3926 Golden Ragwort Flower Head (Mar 17, 2006) 2
Lake in the Hills Fen, Lake in the Hills, IL
#194 Golden Ragwort (Jun 01, 2001) 2
Packera glabella (Butterweed)
Crowley's Ridge, Jonesboro, AR
#3974 Butterweed Specimen (Apr 01, 2006) 2
Larger
#3975 Butterweed Close Up with Beetle (Apr 01, 2006) 2
Larger
Packera obovata (Golden Groundsel, Roundleaf Ragwort)
Lost Maples State Natural Area, Vanderpool, TX
#4290 Round-leaved Ragwort Specimen (Mar 20, 2007) 3
Larger
Packera paupercula (Balsam Ragwort)
Lake in the Hills Fen, Lake in the Hills, IL
#256 Balsam Ragwort Colony (Jun 01, 2001) 2
Illinois Beach State Park, Zion, IL
#618 Balsam Ragwort Close-up (May 28, 2007) 2
Larger
Paeonia californica (California Peony)
Cleveland National Forest Santa Ana Mountains, San Juan Capistrano, CA
#2217 California Peony Close-up (Mar 09, 2003) 3
Larger
Palafoxia arida (Spanish Needle)
Anza-Borrego Desert Henderson and Coyote Cyn, Borrego Springs, CA
#1410 Spanish Needles Close-up (Jan 14, 2005) 3
Larger
Palafoxia texana (Texas Palafox)
Laguna Atascosa National Wildlife Refuge, Harlingen, TX
#2836 Texas Palafox Specimen (Dec 24, 2003) 2
Pandanus tectorius (Hala, Screwpine)
Pololu Valley, Kapaau, HI
#4475 Pololu Valley with Hala in the Foreground (Jan 12, 2008) 3
Larger
Pandorea jasminoides (Bower Plant)
Manuka State Park and Natural Area, Captain Cook, HI
#4501 Bower Plant Flower Close-up (Feb 06, 2008) 3
Larger
Parkinsonia sp. (Palo Verde)
Tonto NF Superstition Wilderness Area, Apache Junction, AZ
#3525 Brittlebush, Palo Verde, Saguaros with Mountains Behind (Mar 25, 2005) 3
Larger
Kofa National Wildlife Refuge, Quartzsite, AZ
#3500 Brittlebush and Palo Verde in Tunnel Springs Canyon (Mar 20, 2005) 2
Larger
Parnassia glauca (Grass of Parnassus)
Denali National Park -- Savage River Area, Healy, AK
#5113 Grass of Parnassus in Rocky Soil (Jul 05, 2009) 3
Larger
Lake in the Hills Fen, Lake in the Hills, IL
#365 Grass of Parnassus Colony (Sep 08, 2008) 2
Larger
#367 Grass of Parnassus Close Up (Aug 30, 2001) 3
Larger
Parthenocissus quinquefolia (Virginia Creeper)
Volo Bog, Volo, IL
#4587 Virginia Creeper in Fall Color in a Walnut Tree (Oct 03, 2008) 3
Larger
Pedicularis canadensis (Wood Betony)
Buffalo National River -- Lost Valley, Ponca, AR
#4350 Wood Betony with Red Flowers (Apr 04, 2007) 2
Larger
Chiwaukee Prairie SNA, Pleasant Prairie, WI
#2429 Wood Betony Close-up (May 13, 2007) 3
Larger
Pedicularis capitata (Capitate Lousewort)
Denali National Park -- Thoro Pass Ranger Hike, Healy, AK
#5165 Capitate Lousewort Specimen (Jul 10, 2009) 3
Larger
Pedicularis densiflora (Indian Warrior)
Mendocino National Forest -- Lake Pillsbury, Potter Valley, CA
#4767 Indian Warrior Specimen (May 09, 2009) 3
Larger
Pedicularis groenlandica (Elephanthead Lousewort)
Umatilla National Forest, La Grande, OR
#3170 Elephanthead Lousewort in Grassy Meadow (Jun 18, 2004) 3
Larger
Pedicularis labradorica (Labrador Lousewort)
Hatcher Pass, Palmer, AK
#5051 Labrador Lousewort Specimen (Jun 26, 2009) 3
Larger
Pedicularis lanata (Woolly Lousewort)
Arctic Valley, Anchorage, AK
#5189 Woolly Lousewort Specimen (Jun 27, 2009) 3
Larger
Pedicularis lanceolata (Fen Betony)
Lake in the Hills Fen, Lake in the Hills, IL
#369 Fen Betony in Context (Aug 09, 2007) 3
Larger
#370 Swamp Betony Close-up (Aug 09, 2007) 3
Larger
Pedicularis sudetica (Sudetic Lousewort)
Denali National Park -- Thoro Pass Ranger Hike, Healy, AK
#5152 Sudetic Lousewort Specimen (Jul 10, 2009) 3
Larger
Pedicularis verticillata (Whorled Leaf Lousewort)
Denali National Park -- Savage River Area, Healy, AK
#5114 Whorled Leaf Lousewort Close-up (Jul 05, 2009) 3
Larger
Penstemon centranthifolius (Scarlet Bugler)
Anza-Borrego Desert, Borrego Springs, CA
#3011 Scarlet Bugler (Apr 13, 2004) 2
Larger
#3012 Scarlet Bugler Close-up (Apr 13, 2004) 2
Penstemon digitalis (Foxglove Beard-tongue)
Nachusa Grasslands, Oregon, IL
#624 Foxglove Beard Tongue in Big Bluestem Grass (Jun 20, 2008) 3
Larger
Penstemon eatonii (Eaton's Penstemon, Firecracker Penstemon)
Kofa National Wildlife Refuge, Quartzsite, AZ
#3509 Eaton's Penstemon Specimen (Mar 21, 2005) 3
Larger
Zion NP, Springdale, UT
#1837 Eaton's Penstemon Specimen (Apr 19, 2005) 2
Penstemon pallidus (Pale Beard-tongue)
Lake in the Hills Fen, Lake in the Hills, IL
#303 Pale Beard Tongue (Jul 20, 1998) 2
Penstemon parryi (Parry Penstemon)
Boyce Thompson Arboretum State Park, Superior, AZ
#1577 Parry Penstemon Close-up (Mar 23, 2009) 2
Larger
Penstemon pseudospectabilis (Desert Penstemon)
Kofa National Wildlife Refuge, Quartzsite, AZ
#3504 High-Desert Penstemon Specimen (Mar 21, 2005) 3
Larger
#3497 Desert Penstemon and Boulders (Mar 20, 2005) 3
Larger
#3503 Penstemon in Desert Wash (Mar 21, 2005) 3
Larger
#3498 Desert Penstemon Flower Spike (Mar 20, 2005) 3
Larger
Penstemon sp. (Penstemon)
Medicine Bow National Forest Snowy Mountains, Laramie, WY
#2931 Penstemon (Jun 04, 2004) 2
Larger
Penstemon utahensis (Utah Penstemon)
Zion NP, Springdale, UT
#1838 Utah Penstemon and Sandstone (Apr 19, 2005) 3
Larger
Penthorum sedoides (Ditch Stonecrop)
Volo Bog, Volo, IL
#4583 Ditch Stonecrop in Seed (Oct 03, 2008) 2
Larger
Perityle emoryi (Emory's Rock-Daisy)
Anza-Borrego Desert Palm Canyon, Borrego Springs, CA
#3361 Phacelia and Rock Daisies (Feb 14, 2005) 3
Larger
Anza-Borrego Desert, Borrego Springs, CA
#3333 Emory's Rock-Daisy Specimen (Feb 01, 2005) 2
Larger
#1434 Emory's Rock Daisy (Mar 15, 1998) 2
Larger
Phacelia bipinnatifida (Fernleaf Phacelia, Forest Phacelia, Purple Phacelia)
Devil's Kitchen Lake, Carbondale, IL
#1101 Forest Phacelia Close-up (Apr 23, 2010) 2
Larger
Phacelia campanularia (Desertbells)
Joshua Tree National Park, Twentynine Palms, CA
#3447 Desertbells Flower and Bud (Mar 15, 2005) 2
Larger
#3446 A Mass of Desertbells (Mar 15, 2005) 2
Larger
#3448 Desert Bells Growing from Crevice (Mar 15, 2005) 3
Larger
#3410 Desertbells Specimen (Mar 15, 2005) 2
Larger
#3411 Desertbells Close-up (Feb 17, 2005) 4
Larger
Phacelia cicutaria var. hispida (Caterpillar Phacelia)
Anza-Borrego Desert Palm Canyon, Borrego Springs, CA
#3361 Phacelia and Rock Daisies (Feb 14, 2005) 3
Larger
#3363 Caterpillar Phacelia Close-up (Feb 14, 2005) 3
Larger
Phacelia coerulea (Skyblue Phacelia)
Usery Regional Park, Mesa, AZ
#4550 Skyblue Phacelia Specimen (Mar 03, 2008) 3
Larger
Phacelia crenulata (Cleftleaf Phacelia)
Anza-Borrego Desert, Borrego Springs, CA
#3364 Cleftleaf Phacelia Close-up (Feb 15, 2005) 3
Larger
Anza-Borrego Desert Palm Canyon, Borrego Springs, CA
#3362 Phacelia, Whispering Bells, and Desert Gold Poppies (Feb 15, 2005) 3
Larger
Anza-Borrego Desert, Borrego Springs, CA
#3301 Cleftleaf Phacelia Specimen (Jan 30, 2005) 2
Larger
Phacelia cryptantha (Hiddenflower Phacelia)
Death Valley NP Panamint Mountains, Panamint Springs, CA
#2986 Hidden-flower Phacelia Close-up (Mar 27, 2004) 2
Phacelia distans (Lace-Leaf Phacelia)
Usery Regional Park, Mesa, AZ
#4551 Common Phacelia Close-up (Mar 03, 2008) 3
Larger
Anza-Borrego Desert, Borrego Springs, CA
#3330 Chuparosa and Common Phacelia with Brittlebush Behind (Feb 01, 2005) 3
Larger
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#3417 Henne's Variable Checkerspot Nectaring on Blue Phacelia (Mar 11, 2005) 3
Larger
Anza-Borrego Desert Palm Canyon, Borrego Springs, CA
#3360 Common Phacelia and Whispering Bells (Feb 14, 2005) 3
Larger
Anza-Borrego Desert, Borrego Springs, CA
#1444 Common Blue Phacelia Close-up (Jan 16, 2005) 2
Larger
Whiting Wilderness Park, Lake Forest, CA
#2246 Lace-leaved Phacelia Close-up (Mar 20, 2003) 2
Anza-Borrego Desert Piedras Grandes, Ocotillo, CA
#1461 Desert Chicory with Common Blue Phacelia as Background (Jan 30, 2005) 3
Larger
Wilson Valley Road, Temecula, CA
#3580 Southern Chinese Houses with Common Blue Phacelia (Apr 11, 2005) 3
Larger
Phacelia fimbriata (Fringed Phacelia)
Great Smoky Mountains (US 441 to Newfound Gap), Gatlinburg, TN
#1062 Fringed Phacelia Close-up (Apr 26, 2001) 2
#1061 Fringed Phacelia (Apr 26, 2001) 2
Phacelia fremontii (Fremont's Phacelia)
Mount Charleston, Las Vegas, NV
#1523 Fremont's Phacelia Close-up (Apr 13, 2009) 3
Larger
Phacelia minor (Wild Canterbury Bells)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#3423 Goldeneye, Phacelia, and Popcorn Flowers (Mar 11, 2005) 2
#2198 Canterbury Bells against Colorful Rock (Mar 15, 2003) 3
Larger
Anza-Borrego Desert, Borrego Springs, CA
#3366 Nature's Rock Garden Display (Feb 13, 2005) 2
Larger
Caspers Wilderness Park, San Juan Capistrano, CA
#2230 Wild Canterbury Bells (Mar 21, 2003) 2
#2232 Poppies, Canterbury Bells and Chia (Mar 21, 2003) 4
Larger
Wilson Valley Road, Temecula, CA
#3442 Canterbury Bells with Granite Boulder (Mar 09, 2005) 3
Larger
#3443 Unusually Large Canterbury Bells Close-up (Mar 09, 2005) 3
Larger
Santa Rosa Plateau Ecological Preserve, Wildomar, CA
#1391 A Mass of Canterbury Bells (Mar 20, 1998) 2
Larger
Phacelia parryi (Parry's Phacelia)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#2189 Suncups, Popcorn Flower, and Parry's Phacelia (Mar 15, 2003) 2
Whiting Wilderness Park, Lake Forest, CA
#2755 Parry's Phacelia (Mar 10, 2003) 3
Larger
#2754 Parry's Phacelia and Habitat (Mar 10, 2003) 2
Anza-Borrego Desert Piedras Grandes, Ocotillo, CA
#3300 Specimen of Parry's Phacelia (Jan 30, 2005) 2
Larger
Phacelia purshii (Miami Mist)
Shawnee NF -- La Rue Pine Hills, Jonesboro, IL
#4339 Miami Mist Specimen (Mar 09, 2007) 2
Larger
Johnson's Shut-Ins State Park, Graniteville, MO
#3646 Miami Mist Close-up (Apr 28, 2005) 3
Larger
Phlox adsurgens (Northern Phlox)
Rogue River, Prospect, OR
#3101 Northern Phlox (Jun 14, 2004) 3
Larger
Phlox bifida (Cleft Sand Phlox)
Giant City State Park, Carbondale, IL
#4007 Cleft Phlox Close Up (Apr 09, 2006) 2
Larger
#5745 Cleft Phlox in Context (Apr 23, 2010) 3
Larger
Johnson's Shut-Ins State Park, Graniteville, MO
#3653 A Six-petaled Cleft Sand Phlox (Apr 28, 2005) 2
Phlox divaricata (Blue Phlox)
Ouachita National Forest Little Missouri River, Langley, AR
#3923 Blue Phlox -- Lavender Color (Mar 16, 2006) 3
Larger
Buffalo National River -- Lost Valley, Ponca, AR
#3946 Blue Phlox Flowers and Buds (Mar 27, 2006) 3
Larger
Giant City State Park, Carbondale, IL
#5741 Blue Phlox Decorated with Fallen Oak Flowers (Apr 23, 2010) 3
Larger
Mississippi Palisades S.P., Savanna, IL
#3072 Wild Sweet Williams with White Flowers (Apr 30, 2005) 3
Larger
#2354 Blue Phlox and Maidenhair (May 23, 2003) 3
Larger
Johnson's Shut-Ins State Park, Graniteville, MO
#3647 Wild Sweet William Close-up (Apr 28, 2005) 2
Great Smoky Mountains (School House Gap Tr.), Gatlinburg, TN
#1076 Path through the Wildflowers (Apr 26, 2010) 3
Larger
#1075 Meadow of Blue Phlox (Apr 26, 2010) 3
Larger
Phlox glaberrima (Marsh Phlox)
Huntley, Union, Marengo (H.U.M.) R.R. Prairies, Union, IL
#3687 Marsh Phlox Specimen (Jul 04, 2005) 2
Illinois Beach State Park, Zion, IL
#672 Marsh Phlox with Morning Dew (Jun 30, 2007) 3
Larger
#538 Black-Eyed Susans and Marsh Phlox in a Willow Thicket (Jun 30, 2007) 2
Larger
Chiwaukee Prairie SNA, Pleasant Prairie, WI
#703 Marsh Phlox Close Up (Jun 20, 1998) 3
Larger
Phlox longifolia (Long-leaved Phlox)
Devil's Canyon (BLM), Fruita, CO
#1856 Long-leaved Phlox Specimen (Apr 24, 2005) 3
Larger
Phlox pilosa (Prairie Phlox)
Lake in the Hills Fen, Lake in the Hills, IL
#203 Prairie Phlox (Jun 15, 1998) 2
#204 Prairie Phlox Close-up (Jun 15, 1998) 2
Illinois Beach State Park, Zion, IL
#648 Prairie Phlox Close Up (May 28, 2007) 4
Larger
Taum Sauk Mountain State Park, Ironton, MO
#3668 Downy Phlox Close-up (Apr 29, 2005) 3
Larger
Phlox stolonifera (Creeping Phlox)
Great Smoky Mountains (US 441 to Newfound Gap), Gatlinburg, TN
#1064 Creeping Phlox Close-up (Apr 26, 2001) 2
Larger
Pholistoma auritum var. arizonicum (Arizona Fiesta Flower)
Lost Dutchman State Park, Apache Junction, AZ
#3390 Arizona Fiesta Flower (Feb 21, 2005) 2
Pholistoma auritum var. auritum (Blue Fiesta-flower)
Sequoia National Forest -- Kern River Canyon, Lake Isabella, CA
#4689 Fiesta Flower on Mass (Apr 17, 2009) 3
Larger
#4690 Fiesta Flower Close-up (Apr 17, 2009) 3
Larger
Trestles Beach, San Clemente, CA
#2254 Fiesta-flower and Hover Fly (Mar 28, 2003) 2
Larger
#2253 Mass of Fiesta-flowers (Mar 28, 2003) 2
Pholistoma membranaceum (White Fiesta Flower)
Anza-Borrego Desert Palm Canyon, Borrego Springs, CA
#3365 White Fiesta Flower (Feb 14, 2005) 2
Phoradendron californicum (California Mesquite Mistletoe)
Tonto NF Hieroglyphics Canyon Trail, Gold Canyon, AZ
#1967 Mistletoe in Fruit (Feb 21, 2010) 3
Larger
Photinia melanocarpa (Black Chokeberry)
Cedarburg Bog SNA, Saukville, WI
#2086 Black Chokeberry Blossoms (Jun 09, 2002) 2
Phragmites australis (Common Reed)
Big Bend National Park Rio Grande Vlg Area, Alpine, TX
#4220 Stems of Common Reed (Mar 04, 2007) 3
Larger
Phyla lanceolata (Fog Fruit)
Braidwood Dunes, Braidwood, IL
#1264 Fog Fruit (Aug 25, 2001) 2
Physalis crassifolia (Thick-leaved Ground Cherry)
Anza-Borrego Desert, Borrego Springs, CA
#1416 Thick-leaved Ground Cherry Close-up (Jan 15, 2005) 2
Larger
Death Valley NP Titus Canyon (Amagorsa Mtns.), Inyo County, CA
#3465 Thick-leaved Ground Cherry Specimen (Mar 16, 2005) 3
Larger
#3464 Thick-leaved Ground Cherry in Niche (Mar 16, 2005) 2
Larger
Anza-Borrego Desert Piedras Grandes, Ocotillo, CA
#1408 Large Specimen of Thick-Leaved Ground Cherry (Jan 14, 2005) 2
Larger
Physalis longifolia var. subglabrata (Tall Ground Cherry)
Lake in the Hills Fen, Lake in the Hills, IL
#344 Tall Ground Cherry Close-up (Jul 25, 1998) 2
Physocarpus opulifolius (Ninebark)
Horserace Rapids, Crystal Falls, MI
#958 Ninebark (Jun 15, 2000) 2
Physostegia virginiana (Obedient Plant)
David Schwaegler's Home, Lake in the Hills, IL
#1216 Obedient Plant Close-up (Sep 10, 2001) 3
Larger
Shoe Factory Road Prairie (Within Poplar Creek), Streamwood, IL
#1349 Prairie Obedient Plant (Aug 20, 1998) 2
Phytolacca americana (Pokeweed)
Lake in the Hills Fen, Lake in the Hills, IL
#417 Pokeweed in Fruit (Aug 01, 1998) 3
Larger
#97 Pokeweed in Flower (Jul 08, 2006) 2
Larger
Pilea pumila (Clearweed)
Volo Bog, Volo, IL
#4589 Clearweed Specimen (Oct 03, 2008) 2
Larger
Pinguicula vulgaris (Common Butterwort)
Tongass National Forest -- Mitkof Island, Petersburg, AK
#4973 Common Butterwort Flower Close-up (Jun 16, 2009) 3
Larger
#4972 Common Butterwort Specimen (Jun 16, 2009) 3
Larger
Pinus contorta var. contorta (Beach Pine)
Butze Rapids, Prince Rupert, BC
#4922 Beach Pine Close Up (Jun 08, 2009) 3
Larger
#4921 Bog with Beach Pine and Labrador Tea (Jun 08, 2009) 3
Larger
Pinus ponderosa (Ponderosa Pine)
Zion NP, Springdale, UT
#5264 Ponderosa Pine On Sandstone (Mar 13, 2010) 3
Larger
Pinus sabiniana (Gray Pine)
Pinnacles National Monument, Soledad, CA
#2689 Gray Pines and Pinnacles (Dec 24, 2002) 2
Larger
Platanthera aquilonis (Bog Orchid. Northern)
Lake in the Hills Fen, Lake in the Hills, IL
#143 Northern Green Orchid Spike (Jun 01, 1998) 4
Larger
#142 Northern Bog Orchid (Jun 01, 1998) 2
Platanthera clavellata (Club-spur Orchid)
Nicolet National Forest Bell Lake, Florence, WI
#910 Spurred Club Orchid Close-up (Jul 10, 2001) 2
Grandma Lake Wetlands SNA, Long Lake (Florence), WI
#976 Club Spur Orchid (Jul 12, 2001) 2
Larger
Platanthera dilatata (White Bog Orchid, Tall White Rein-Orchid)
Hatcher Pass, Palmer, AK
#5030 White Bog Orchid Starting to Bloom (Jun 26, 2009) 3
Larger
Ochoco National Forest, Prineville, OR
#3179 Tall White Rein-Orchid on Stream Bank (Jun 17, 2004) 3
Larger
Platanthera lacera (Ragged Fringed Orchid)
Grandma Lake Wetlands SNA, Long Lake (Florence), WI
#979 Ragged Fringed Orchid Close-up (Jul 12, 2001) 2
#978 Ragged Fringed Orchid (Jul 12, 2001) 2
Larger
Platanthera leucophaea (Prairie White Fringed Orchid)
Kane County, , IL
#4579 Prairie White Fringed Orchid Flowers (Jul 07, 2008) 3
Larger
#4580 Prairie White Fringed Orchid Close-up (Jul 07, 2008) 2
Larger
#4581 Prairie White Fringed Orchid Specimen (Jul 07, 2008) 2
Larger
Platanthera stricta (Slender Bog Orchid)
Tongass National Forest -- Mitkof Island, Petersburg, AK
#4976 Slender Bog Orchid Colony (Jun 16, 2009) 3
Larger
#4971 Slender Bog Orchid Close-up (Jun 16, 2009) 3
Larger
#4970 Slender Bog Orchid Specimen (Jun 16, 2009) 3
Larger
Platanus racemosa (California Sycamore)
Cleveland National Forest Harding Canyon, Modjeska, CA
#1778 California Sycamores in Winter (Jan 25, 2006) 3
Larger
#1777 California Sycamore Bark Close-up (Jan 25, 2006) 3
Larger
Platystemon californicus (Cream Cups)
Wilson Valley Road, Temecula, CA
#3573 Cream Cups Specimen (Apr 11, 2005) 2
Pleopeltis polypodioides ssp. michauxiana (Resurrection Fern)
Ouachita National Forest Little Missouri River, Langley, AR
#3921 Resurrection Fern and Lichen (Mar 20, 2006) 3
Larger
Pluchea sericea (Arrow-weed)
Death Valley NP Panamint Mountains, Panamint Springs, CA
#1532 Arrow-weed in Devil's Cornfield (Mar 15, 1998) 2
Podophyllum peltatum (May Apple)
Mississippi Palisades S.P., Savanna, IL
#4577 Mayapple Close-up (May 19, 2008) 3
Larger
#4578 Mayapple and Ferns (May 19, 2008) 2
Larger
#3074 Large Colony of May Apples (Apr 22, 2004) 2
Johnson's Shut-Ins State Park, Graniteville, MO
#3651 Mayapple Flower Close-up in the Rain (Apr 28, 2005) 3
Larger
Pogonia ophioglossoides (Rose Pogonia)
Lake in the Hills Fen, Lake in the Hills, IL
#146 Rose Pogonia White Form (Jun 15, 1998) 2
#147 Rose Pogonia and Sedge (Jun 10, 2007) 2
Larger
Volo Bog, Volo, IL
#1154 Rose Pogonia Amongst Ferns (Jun 20, 1998) 2
Beulah Bog SNA, East Troy, WI
#196 Rose Pogonia Pair (Jun 14, 2010) 3
Larger
#883 Rose Pogonia Close Up (Jun 14, 2010) 3
Larger
Shadow (Boot) Lake, Florence, WI
#882 Rose Pogonia Colony at the Shore (Jul 10, 2001) 2
Larger
Polemonium acutiflorum (Tall Jacob's Ladder)
Denali National Park -- Savage River Area, Healy, AK
#5127 Tall Jacob's Ladder Specimen (Jul 06, 2009) 3
Larger
Polemonium reptans (Greek Valerian, Jacob's Ladder)
Ouachita NF, Albert Pike Winding Stairs Trail, Langley, AR
#4330 Jacob's Ladder Specimen (Mar 29, 2007) 2
Larger
Baxters Hollow (TNC), Sauk City, WI
#2036 Jacob's Ladder (May 10, 2002) 2
#2037 Jacob's Ladder Close-up (May 10, 2002) 2
Polygala paucifolia (Gaywings)
The Ridges Sanctuary, Baileys Harbor, WI
#811 Gaywings in Context (Jun 06, 2005) 3
Larger
#2098 Gaywings Close Up (Jun 10, 2002) 4
Larger
#812 Gaywings with Multiple Flowers (Jun 06, 2005) 3
Larger
Spread Eagle Barrens SNA, Florence, WI
#2904 Gaywings (May 20, 2004) 2
Polygala polygama (Purple Milkwort)
Lake in the Hills Fen, Lake in the Hills, IL
#260 Purple Milkworts (Jun 20, 2001) 2
Larger
Nachusa Grasslands, Oregon, IL
#2155 Purple Milkwort Close-up (Jun 20, 2008) 3
Larger
#600 Purple Milkwort Specimen (Jun 20, 2008) 2
Larger
Spread Eagle Barrens SNA, Florence, WI
#946 Purple Milkwort (Jul 10, 2001) 2
Polygala sanguinea (Field Milkwort)
Nachusa Grasslands, Oregon, IL
#1347 Field Milkwort Specimen (Jul 05, 2005) 2
Larger
Polygala senega (Seneca Snakeroot)
Black Earth Rettenmund Prairie SNA, Black Earth, WI
#1134 Seneca Snakeroot Close-up (May 17, 2001) 2
Polygonatum biflorum var. commutatum (Smooth Solomon's Seal)
Chiwaukee Prairie SNA, Pleasant Prairie, WI
#1294 Smooth Solomon's Seal and Prairie Grass (Sep 12, 2008) 2
Larger
#1268 Smooth Solomon's Seal with Berries (Sep 12, 2008) 2
Larger
Polygonum bistorta var. plumosum (Meadow Bistort, Pink Plumes)
Denali National Park -- Savage River Area, Healy, AK
#5120 Pink Plumes Specimen (Jul 06, 2009) 3
Larger
Polygonum viviparum (Alpine Bistort)
Hatcher Pass, Palmer, AK
#5035 Alpine Bistort Close-up (Jun 26, 2009) 3
Larger
#5034 Alpine Bistort Specimen (Jun 26, 2009) 2
Polypodium virginianum (Rock Polypody)
Devil's Kitchen Lake, Carbondale, IL
#4107 Common Rock Polypody Fern (Nov 05, 2006) 2
Larger
Polystichum acrostichoides (Christmas Fern)
Cottonstone Mountain, Orford, NH
#4048 Christmas Fern with New Fronds (May 14, 2006) 3
Larger
Polystichum munitum (Western Swordfern)
Prairie Creek Redwoods Fern Canyon, Orick, CA
#4817 Sword Ferns on Canyon Wall (May 14, 2009) 2
Larger
Redwood National Park Tall Trees Area, Orick, CA
#4841 Western Swordfern Specimen (May 18, 2009) 2
Larger
Prairie Creek Redwoods Fern Canyon, Orick, CA
#3141 Canyon Wall Densely Covered with Ferns (May 14, 2009) 3
Larger
Redwood National Park Tall Trees Area, Orick, CA
#3138 Rhododendron and Western Swordferns (May 19, 2009) 2
Larger
#4847 Rhododendron in a Red Alder Thicket (May 19, 2009) 3
Larger
Olympic National Park -- Quinault, Hoquiam, WA
#4862 Willaby Creek Gorge Wall (May 28, 2009) 3
Larger
Pontederia cordata (Pickerelweed)
Indian Pond, Orford, NH
#2636 Interesting Collection of Aquatic Plants (Aug 25, 2002) 3
Larger
#764 Pickerelweed Close-up (Jun 25, 1999) 2
#2635 Bumblebee on Pickerelweed (Aug 25, 2002) 2
Larger
Populus fremontii (Fremont Cottonwood)
Anza-Borrego Desert, Borrego Springs, CA
#1423 Cottonwood in Fall Color (Dec 12, 2005) 3
Larger
Potamogeton natans (Common Pondweed)
Indian Pond, Orford, NH
#2636 Interesting Collection of Aquatic Plants (Aug 25, 2002) 3
Larger
Shadow (Boot) Lake, Florence, WI
#854 Floating Common Pondweed (Jun 15, 2000) 2
Larger
Potentilla arguta (Prairie Cinquefoil)
Lake in the Hills Fen, Lake in the Hills, IL
#95 Prairie Cinquefoil Close-up (Jul 07, 2006) 3
Larger
Potentilla recta (Sulfur Cinquefoil)
Lake in the Hills Fen, Lake in the Hills, IL
#18 Sulphur Cinquefoil Close Up (Jun 22, 2006) 2
Larger
Prenanthes alba (White Lettuce)
Starved Rock State Park, Ottawa, IL
#1295 White Lettuce Flowers Close Up (Sep 15, 2008) 3
Larger
Prenanthes aspera (Rough White Lettuce)
Braidwood Dunes, Braidwood, IL
#1257 Rough White Lettuce (Aug 25, 2001) 2
#1258 Rough White Lettuce Close-up (Aug 25, 2001) 2
Primula veris (European Cowslip)
LeRoy Oakes Forest Preserve, St. Charles, IL
#2039 European Cowslip Close-up (May 03, 2002) 2
#2038 European Cowslip (May 03, 2002) 2
Pritchardia sp. (Fan Palm)
Akaka Falls State Park, Honomu, HI
#4525 Fan Palm in Fruit (Jan 15, 2008) 3
Larger
Prosartes hookeri (Drops-of-gold, Fairy-bells)
Olympic National Park -- Sol Duc River Valley, Port Angeles, WA
#4897 Hooker's Fairybells Specimen (Jun 01, 2009) 2
Larger
Prosartes smithii (Smith's Fairybell, Largeflower Fairybells)
Mackerricher State Park, Fort Bragg, CA
#4779 Smith's Fairybell Closeup (May 10, 2009) 3
Larger
Prunus angustifolia (Chickasaw Plum)
Buffalo National River -- Tyler Bend, St. Joe, AR
#3938 Chickasaw Plum Blossoms Close Up (Mar 25, 2006) 2
Larger
Prunus fremontii (Desert Apricot)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#5240 Desert Apricot Close-up (Mar 04, 2010) 3
Larger
#3367 Desert Apricot Specimen (Feb 13, 2005) 3
Larger
Prunus pumila var. pumila (Great Lakes Sand Cherry)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#2176 Riding's Forester Moth on Desert Apricot (Feb 01, 2003) 2
Illinois Beach State Park, Zion, IL
#661 Sand Cherry in Fruit (Jul 10, 2000) 2
#660 Sand Cherry Blooming on Dune (May 28, 2005) 2
Larger
#662 Sand Cherry in Flower Close-up (May 28, 2005) 3
Larger
Prunus virginiana (Choke Cherry)
Illinois Beach State Park, Zion, IL
#2078 Choke Cherry in Oak Savanna (May 11, 2002) 2
#2079 Choke Cherry Flowers Close-up (May 11, 2002) 3
Larger
Psathyrotes ramosissima (Velvet Turtleback)
Death Valley NP Cottonwood and Marble Canyons, Stovepipe Wells, CA
#1538 Velvet Turtleback Close Up (Mar 15, 1998) 3
Larger
#1537 Velvet Turtleback in Wash (Mar 15, 1998) 2
Psidium cattleianum (Strawberry Guava)
Manuka State Park and Natural Area, Captain Cook, HI
#4502 Strawberry Guava in Fruit (Feb 06, 2008) 3
Larger
Psilostrophe cooperi (White-stemmed Paperflower)
Saguaro National Park, Tucson, AZ
#1590 White-Stemmed Paperflower Close-up (Dec 26, 2000) 2
Psilostrophe tagetina (Woolly Paperflower)
Big Bend National Park Rio Grande Vlg Area, Alpine, TX
#2844 Woolly Paperflower Close-up (Dec 27, 2003) 2
Psorothamnus schottii (Shott's Indigo Bush)
Anza-Borrego Desert, Borrego Springs, CA
#3329 Branch of Schott's Indigo Bush in Bloom (Mar 10, 2005) 3
Larger
Anza-Borrego Desert Henderson and Coyote Cyn, Borrego Springs, CA
#1437 Indigo Bush Flower Close-up (Jan 15, 2005) 3
Larger
Psorothamnus spinosus (Smoketree)
Anza-Borrego Desert, Borrego Springs, CA
#3438 Smoketrees and Wildflowers in Indian Gorge (Mar 12, 2005) 3
Larger
Pulsatilla patens (Eastern Pasqueflower)
Harlem Hills Prairie, Loves Park, IL
#4576 Quartet of Pasqueflowers (Apr 17, 2008) 3
Larger
#4575 Pasqueflowers on Burned Prairie (Apr 17, 2008) 3
Larger
#4347 Pasqueflower Close-up (Apr 17, 2008) 3
Larger
#1356 Pasque Flower in Seed (May 20, 2001) 2
#4346 Pasqueflower in Three Stages (Apr 19, 2007) 2
Larger
Purshia mexicana (Mexican Cliffrose)
Tonto NF Superstition Wilderness Area, Apache Junction, AZ
#3392 Mexican Cliffrose Close-up (Mar 01, 2008) 3
Larger
Purshia stansburiana (Stansbury Cliffrose)
Dead Horse Ranch State Park, Cottonwood, AZ
#4656 Stansbury's Cliffrose Close-up (Apr 02, 2009) 3
Larger
Red Rock Canyon National Conservation Area, Las Vegas, NV
#3612 Stansbury Cliffrose at Base of Calico Hills (Apr 18, 2005) 2
Larger
Pycnanthemum virginianum (Common Mountain Mint)
Lake in the Hills Fen, Lake in the Hills, IL
#257 Culver's Root with Mountain Mint and Black-eyed Susans (Jul 17, 2005) 3
Larger
#273 Mountain Mint Specimen (Jul 27, 2006) 2
Larger
Scuppernong Prairie SNA, Eagle, WI
#3688 Black Swallowtail Getting Nectar from Mountain Mint (Jul 16, 2005) 3
Larger
Pyrola asarifolia (Pink Pyrola)
The Ridges Sanctuary, Baileys Harbor, WI
#824 Pink Pyrola Colony (Jun 22, 2001) 2
Shadow (Boot) Lake, Florence, WI
#2435 Pink Pyrola in the Rain (Jun 27, 2003) 2
Larger
Pyrola chlorantha (Green Shinleaf)
The Ridges Sanctuary, Baileys Harbor, WI
#832 Greenish Flowered Pyrola Showing Leaves Also (Jun 22, 2001) 2
Larger
Pyrola elliptica (Shinleaf)
Indian Pond, Orford, NH
#767 White Pyrola (Jun 25, 1999) 2