S
Sabal minor (Dwarf Palmetto)
Guadalupe River State Park, Bergheim, TX
#4268 Dwarf Palmetto Along Honey Creek (Mar 17, 2007) 2
Sabatia angularis (Rose Gentian)
Clark and Pine Nature Preserve, Gary, IN
#585 Rose Gentian (Aug 20, 1999) 2
Sadleria cyatheoides (Ama'uma'u Fern)
Kaumana Trail, Hilo, HI
#6244 Ama'uma'u Fern Fronds (Oct 08, 2012) 3
  Larger

Sagittaria lancifolia (Bull-tongue Arrowhead, Duck Potato)
Pine Island Flatwoods Preserve, St James City, FL
#5941 Duck Potato Flowers Close-up (Nov 17, 2011) 3
  Larger

Merritt Island NWR Wildlife Drive, Titusville, FL
#5915 Gray Hairstreak on Duck Potato (Nov 08, 2011) 3
  Larger

Sagittaria latifolia (Common Arrowhead)
Lake in the Hills Fen, Lake in the Hills, IL
#227 Common Arrowhead in Marsh (Jul 20, 1998) 3
  Larger

#229 Common Arrowhead Close-up (Aug 09, 2007) 4
  Larger

#222 Common Arrowhead at the Pond's Edge (Aug 09, 2007) 3
  Larger

Necedah NWR, Tomah, WI
#5286 Common Arrowhead with Narrow Leaf Lobes (Aug 24, 2016) 3
  Larger

Sairocarpus coulterianus (Coulter's Snapdragon)
Wilson Valley Road, Temecula, CA
#5404 Coulter's Snapdragon Flowers and Buds (Mar 19, 2017) 4
  Larger

Salazaria mexicana (Mexican Bladdersage)
Joshua Tree National Park, Twentynine Palms, CA
#3601 Mexican Bladdersage Close-up (Apr 16, 2005) 3
  Larger

#1537 Mexican Bladdersage Blooming Branch (Mar 22, 2017) 4
  Larger

Salix bebbiana (Beaked Willow, Bebb's Willow)
Lake in the Hills Fen, Lake in the Hills, IL
#5555 Beaked Willow Foliage (Sep 07, 2017) 2
  Larger

Salix discolor (Pussy Willow)
Illinois Beach State Park, Zion, IL
#647 Native Pussy Willow Male Flower (May 05, 2008) 4
  Larger

Salix reticulata (Netleaf Willow, Netted Willow)
Denali National Park -- Savage River Area, Healy, AK
#5131 Netted Willow Colony (Jul 06, 2009) 3
  Larger

Salvia apiana (White Sage)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#3419 White Sage Specimen (Mar 11, 2005) 2
  Larger

#3420 White Sage Flower Close-up (Mar 11, 2005) 3
  Larger

Salvia azurea (Azure Blue Sage, Pitcher Sage)
Lake in the Hills Fen, Lake in the Hills, IL
#111 Pitcher Sage Close-up (Sep 15, 2011) 3
  Larger

Salvia carduacea (Thistle Sage)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#3421 Thistle Sage Close-up (Mar 11, 2005) 3
  Larger

#3422 Thistle Sage with Cholla Background (Apr 12, 2005) 3
  Larger

#3594 Thistle Sage in Desert Landscape (Apr 13, 2005) 3
  Larger

Salvia coccinea (Scarlet Sage)
Waipio Valley, Honoka'a, HI
#4441 Red Salvia (Jan 17, 2008) 2
  Larger

Santa Ana National Wildlife Refuge, Alamo, TX
#4139 Scarlet Sage Specimen (Dec 30, 2006) 3
  Larger

North American Butterfly Assoc. Butterfly Park, Mission, TX
#4182 Scarlet Sage Flowers Close Up (Jan 29, 2007) 2
Salvia columbariae (Chia)
Anza-Borrego Desert, Borrego Springs, CA
#3369 Chia, Poppies, and Popcorn Flowers in a Wash (Feb 15, 2005) 3
  Larger

Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#2191 Chia and Boulders (Mar 15, 2003) 2
  Larger

#2192 Chia Close Up (Mar 15, 2003) 2
  Larger

#3368 Chia Extremely Close Up (Feb 15, 2005) 3
  Larger

Caspers Wilderness Park, San Juan Capistrano, CA
#2232 Poppies, Canterbury Bells and Chia (Mar 21, 2003) 4
  Larger

#3539 Yellow Pincushion and Chia (Apr 04, 2005) 4
  Larger

#2233 Riot of Chia (Mar 19, 2017) 4
Wilson Valley Road, Temecula, CA
#2231 Hillside in Bloom (Mar 19, 2017) 4
  Larger

#2735 Poppies and Chia on Decomposed Granite (Mar 19, 2017) 4
  Larger

Salvia dorrii (Desert Sage, Purple Sage)
Dead Horse Ranch State Park, Cottonwood, AZ
#6016 Verde Valley Sage Hanging On (Apr 18, 2012) 3
  Larger

Death Valley NP Titus Canyon (Amagorsa Mtns.), Inyo County, CA
#2966 Purple Sage Close Up (Mar 25, 2004) 2
Christmas Tree Pass, Laughlin, NV
#4676 Desert Sage in Context (Apr 09, 2009) 3
  Larger

#3485 Purple Sage Close-up (Mar 19, 2005) 3
  Larger

#3484 Purple Sage Specimen (Mar 19, 2005) 2
  Larger

Salvia dorrii ssp. mearnsii (Purple Sage, Verde Valley Sage)
Dead Horse Ranch State Park, Cottonwood, AZ
#6016 Verde Valley Sage Hanging On (Apr 18, 2012) 3
  Larger

#6020 Verde Valley Sage Close-up (Apr 21, 2012) 3
  Larger

Salvia funerea (Death Valley Sage)
Death Valley NP Cottonwood and Marble Canyons, Stovepipe Wells, CA
#3454 Painted Lady Butterfly Underside on Death Valley Sage (Mar 16, 2005) 4
  Larger

#3455 Death Valley Sage Flowers Close-up (Mar 16, 2005) 4
  Larger

#3456 Death Valley Sage Specimen (Mar 16, 2005) 2
  Larger

#3453 Painted Lady Butterfly on Death Valley Sage (Mar 16, 2005) 4
  Larger

Salvia officinalis (Kitchen Sage)
David Schwaegler's Home, Lake in the Hills, IL
#286 Kitchen Sage in Bloom (May 27, 2013) 3
  Larger

Sambucus nigra ssp. canadensis (Elderberry)
Lake in the Hills Fen, Lake in the Hills, IL
#85 Elderberry in Flower (Jul 03, 2015) 3
  Larger

#1455 Elderberry Shrub in a Cattail Marsh (Aug 15, 2016) 3
  Larger

#5308 American Black Elderberry in Fruit (Sep 09, 2016) 3
  Larger

Sambucus racemosa var. racemosa (Red-berried Elder)
Keweenaw Peninsula, Baraga and Ontonagon, MI
#5488 Red Elderberry with Fruit (Jul 24, 2017) 2
  Larger

#5489 Red Elderberry Close-up (Jul 24, 2017) 3
  Larger

Sanguinaria canadensis (Bloodroot)
Buffalo National River -- Lost Valley, Ponca, AR
#3942 Pale Corydalis and Bloodroot under an Oak (Mar 27, 2006) 4
  Larger

Buffalo National River -- Tyler Bend, St. Joe, AR
#3939 Bloodroot Emerging from Leaf (Mar 25, 2006) 2
  Larger

Cossatot River State Park Natural Area, Wickes, AR
#3906 Bloodroot Emerging from Leaves (Mar 15, 2006) 2
  Larger

David Schwaegler's Home, Lake in the Hills, IL
#6558 Bloodroot Trio (Apr 13, 2014) 3
  Larger

#1190 Bloodroot Colony Nestled in Oak Leaves (Apr 27, 2018) 3
  Larger

#5407 Bloodroot and Virginia Bluebells an Unusual Juxtaposition (Apr 12, 2017) 3
  Larger

#1192 Bloodroot and Squill (Apr 12, 2006) 3
  Larger

#2242 Bloodroot Portrait (Mar 31, 2016) 3
  Larger

#2284 Bloodroot Colony (Apr 05, 2010) 4
  Larger

#1189 Bloodroot Flower and Leaf Close Up (Apr 12, 2006) 4
  Larger

#5405 Bloodroot and Squill in the Rain (Apr 10, 2017) 3
  Larger

#5596 Bloodroot Flowers with Virginia Bluebell Foliage (Apr 22, 2018) 3
  Larger

Coral Woods Conservations Area, Marengo, IL
#185 Bloodroot Colony Against an Oak (Apr 29, 2013) 3
  Larger

Sanicula arguta (Sharp-toothed Sanicle)
Santa Rosa Plateau Ecological Preserve, Wildomar, CA
#2732 Sharp-toothed Sanicle (Feb 28, 2003) 2
  Larger

Sanicula bipinnatifida (Purple Sanicle)
Santa Rosa Plateau Ecological Preserve, Wildomar, CA
#1390 Purple Sanicle Close Up (Mar 20, 1998) 2
#2731 Purple Sanicle (Feb 28, 2003) 2
  Larger

Saponaria officinalis (Bouncing Bet, Soapwort)
Kettle Moraine Low Prairie SNA, Eagle, WI
#620 Soapwort Specimen (Jul 24, 2008) 2
  Larger

Sarracenia minor (Hooded Pitcher Plant)
Okefenokee East Entrance, Folkston, GA
#5895 Hooded Pitcher Plant Specimen (Nov 03, 2011) 3
  Larger

Sarracenia psittacina (Parrot Pitcher Plant)
Okefenokee East Entrance, Folkston, GA
#5894 Parrot Pitcher Plant Specimen (Nov 03, 2011) 3
  Larger

Sarracenia purpurea (Pitcher Plant)
Indian Pond, Orford, NH
#774 Pitcher Plant in Fruit (Jun 25, 1999) 2
The Ridges Sanctuary, Baileys Harbor, WI
#804 Swale with Pitcher Plants, Shrubby Cinquefoil and Tamarack (Jun 23, 2016) 3
  Larger

#807 Pitcher Flowers in Context (Jun 23, 2014) 3
  Larger

Beulah Bog SNA, East Troy, WI
#780 Pitcher Plant Flower Close-up (Jun 16, 2013) 3
  Larger

#292 Pitcher Plant Flower Supported by Tamarack (Jun 16, 2013) 3
  Larger

#4084 Pitcher-Plant Close Up (Oct 12, 2009) 4
  Larger

#4083 Pitcher-Plants in a Bed of Sphagnum Moss (Oct 27, 2016) 3
  Larger

Nicolet National Forest Bell Lake, Florence, WI
#895 Pitcher Plant Showing Pitchers and Flower (Jun 15, 2005) 4
  Larger

#896 Pitcher Plant Flowers with Labrador Tea (Jun 13, 2005) 4
  Larger

#2618 Pitcher Plant Showing Floating Insect (Aug 18, 2002) 2
  Larger

Shadow (Boot) Lake, Florence, WI
#5481 Bog Microcosm (Jul 21, 2017) 3
  Larger

#5487 Pitcher Plants in Fruit in a Bed of Buckbean (Jul 21, 2017) 3
  Larger

Grandma Lake Wetlands SNA, Long Lake (Florence), WI
#963 A Pair of Water-filled Pitcher Plants on a Bed of Sphagnum (Jun 16, 2005) 2
Sassafras albidum (Sassafras)
Red River Gorge Tunnel Ridge Road, Stanton, KY
#5848 Sassafras Sprouting after Fire (Oct 21, 2011) 3
  Larger

#5852 Sassafras Sprouting on a Burned Hillside (Oct 21, 2011) 3
  Larger

Saussurea angustifolia (Narrowleaf Saw-wort)
Denali National Park -- Savage River Area, Healy, AK
#5122 Narrowleaf Saw-Wort Supported By Dwarf Birch (Jul 06, 2009) 3
  Larger

Saxifraga bronchialis (Yellow Spotted Saxifrage, Yellowdot Saxifrage)
Denali National Park -- Savage River Area, Healy, AK
#5139 Yellow-Spotted Saxifrage Specimen (Jul 07, 2009) 3
  Larger

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

#6777 Ground Juniper and Wildflowers on a Dry Ridge (Jul 25, 2014) 3
  Larger

Saxifraga lyallii (Red-stemmed Saxifrage)
Arctic Valley, Anchorage, AK
#5777 Red-stemmed Saxifrage Specimen (Jun 27, 2009) 2
  Larger

Saxifraga micranthidifolia (Brook Lettuce)
Great Smoky Mountains (Kanati Fork Trail), Cherokee, NC
#6849 Brook Lettuce Specimen (Apr 13, 2015) 3
  Larger

Great Smoky Mountains (Porters Creek Trail), Gatlinburg, TN
#1138 Foamflower and Brook Lettuce on a Mossy Boulder (May 04, 2014) 3
  Larger

Great Smoky Mountains (US 441 to Newfound Gap), Gatlinburg, TN
#1113 Brook Lettuce Clump (Apr 28, 2010) 3
  Larger

#1114 Brook Lettuce Flowers Close-up (Apr 28, 2010) 3
  Larger

Great Smoky Mountains (Ramsey Cascade Trail), Gatlinburg, TN
#1071 Brook Lettuce on Moss Covered Boulder (Apr 27, 2001) 3
  Larger

Saxifraga odontoloma (Brook Saxifrage)
Mt. Rainier National Park Natches Pk Loop Trail, White River Entrance, WA
#6799 Brook Saxifrage Colony (Jul 29, 2014) 4
  Larger

Saxifraga palmeri (Palmer's Saxifrage)
Buffalo National River -- Buffalo Point, Harriet, AR
#3956 Palmer's Saxifrage and Log (Mar 26, 2006) 3
  Larger

Saxifraga pensylvanica (Swamp Saxifrage)
Scuppernong Prairie SNA, Eagle, WI
#2380 Swamp Saxifrage Specimen (May 19, 2007) 2
  Larger

#2667 Swamp Saxifrage Close-up (May 26, 2016) 2
Saxifraga tolmiei (Tolmie's Saxifrage)
Olympic National Park -- Lillian Ridge Trail, Port Angeles, WA
#6762 Tolmie's Saxifrage Colony (Jul 25, 2014) 3
  Larger

Saxifraga virginiensis (Saxifrage. Early)
Porcupine Mountains - Lake of the Clouds, Ontonagon, MI
#2927 Early Saxifrage with Moss and Rocks (May 24, 2004) 2
Cottonstone Mountain, Orford, NH
#4041 Early Saxifrage Specimen (May 10, 2006) 2
  Larger

#4042 Early Saxifrage on a Mossy Boulder (May 10, 2006) 4
  Larger

Scheuchzeria palustris (Arrow Grass)
Nicolet National Forest Bell Lake, Florence, WI
#897 Arrow Grass (Jun 15, 2000) 2
Shadow (Boot) Lake, Florence, WI
#906 Arrow Grass in Seed (Jul 10, 2001) 2
Schinus terebinthifolius (Brazilian Peppertree)
Merritt Island NWR Wildlife Drive, Titusville, FL
#1057 Brazilian Peppertree with Berries (Nov 08, 2011) 3
  Larger

Schizachyrium scoparium (Little Bluestem)
Pine Island Flatwoods Preserve, St James City, FL
#5938 Slender Goldentop and Little Bluestem in a Pine Flatwoods (Nov 17, 2011) 3
  Larger

#5944 Little Bluestem with Slender Goldentop (Nov 17, 2011) 3
  Larger

Dixie Briggs Fromm, Algonquin, IL
#1426 Pale Purple Coneflowers and Blackeyed Susans in the Prairie (Jun 24, 2015) 3
  Larger

Thomson-Fulton Sand Prairie, Fulton, IL
#397 Little Bluestem with Morning Dew (Jul 28, 2016) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#2309 Skyblue Aster and Little Bluestem (Oct 01, 2006) 3
  Larger

#2488 Silky Aster with Little Blluestem Grass (Sep 18, 2015) 3
  Larger

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

#1309 Prairie Under a Dramatic Sky (Sep 24, 2011) 3
  Larger

#49 September Prairie (Sep 16, 2011) 3
  Larger

#86 Button Liatris and Oldfield Goldenrod with Little Bluestem Grass (Sep 16, 2011) 3
  Larger

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

#406 Western Sunflowers in Short Grass Prairie (Aug 30, 2011) 3
  Larger

#1725 Tall Boneset and Showy Goldenrod in a Short-Grass Prairie (Sep 18, 2015) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#2497 Showy Goldenrod and Little Bluestem on Sandstone Knob (Sep 21, 2003) 2
  Larger

#2322 Mass of Showy Goldenrod and Little Bluestem (Sep 15, 2002) 2
  Larger

#36 Oldfield Goldenrod Beautiful Specimen (Sep 13, 2016) 3
  Larger

Wichita Mountains NWR, Lawton, OK
#3874 Spreading Oak in Prairie (Feb 24, 2006) 3
  Larger

Scilla siberica (Siberian Squill)
David Schwaegler's Home, Lake in the Hills, IL
#5405 Bloodroot and Squill in the Rain (Apr 10, 2017) 3
  Larger

#5593 Field of Siberian Squill in Snow (Apr 15, 2018) 3
  Larger

#2239 Siberian Squill Portrait (Mar 31, 2016) 3
  Larger

#2223 Siberian Squill -- a Mass of Blue (Mar 29, 2016) 3
  Larger

#5594 Icy Portrait of Siberian Squill (Apr 15, 2018) 3
  Larger

#1180 Siberian Squill Close-up (Mar 31, 2016) 4
  Larger

#1192 Bloodroot and Squill (Apr 12, 2006) 3
  Larger

Scirpus acutus var. acutus (Hard-stemmed Bulrush)
Lake in the Hills Fen, Lake in the Hills, IL
#550 Flat-topped Goldenrod with Bulrush (Sep 16, 2011) 3
  Larger

#130 Hard-Stemmed Bulrush in Flower (Jun 10, 1999) 2
  Larger

Necedah NWR, Tomah, WI
#1226 Wet Meadow Filled with Tall Bur-Marigold and Bulrush (Aug 24, 2016) 3
  Larger

Scirpus atrovirens (Dark Green Rush)
Lake in the Hills Fen, Lake in the Hills, IL
#230 Dark Green Rush in Bloom (Jun 22, 2006) 2
  Larger

Scirpus cyperinus (Woolgrass)
Shadow (Boot) Lake, Florence, WI
#5464 Woolgrass Specimen (Jul 19, 2017) 3
  Larger

Scirpus pendulus (Red Bulrush)
Lake in the Hills Fen, Lake in the Hills, IL
#166 Red Bulrush in Flower (Jun 10, 2013) 3
  Larger

Scleria verticillata (Low Nut Rush)
Lake in the Hills Fen, Lake in the Hills, IL
#378 Low Nut Rush in Seed (Sep 10, 1998) 2
  Larger

Scrophularia californica (California Figwort)
Anza-Borrego Desert, Borrego Springs, CA
#3016 California Figwort (Apr 13, 2004) 2
#3017 California Figwort Close-up (Apr 13, 2004) 2
#2882 California Figwort (Feb 19, 2004) 2
  Larger

#2880 Locoweed and Figwort in Watercourse (Feb 19, 2004) 2
Scutellaria drummondii (Drummond's Skullcap)
Enchanted Rock State Natural Area, Fredericksburg, TX
#4279 Drummond's Skullcap Specimen (Mar 19, 2007) 4
  Larger

Scutellaria galericulata (Marsh Skullcap)
Illinois Beach State Park, Zion, IL
#792 Marsh Skullcap Specimen (Aug 21, 2015) 2
  Larger

Whitefish Dunes State Park, Jacksonport, WI
#2464 Marsh Skullcap with White Flowers (Jul 18, 2003) 2
Scutellaria lateriflora (Mad Dog Skullcap)
Yonder Prairie, Woodstock, IL
#1719 Mad-Dog Skullcap Specimen (Aug 23, 2015) 2
  Larger

#1718 Marsh Skullcap Closeup (Aug 23, 2015) 3
  Larger

Indian Pond, Orford, NH
#5661 Mad Dog Skullcap Specimen (Jul 29, 2018) 3
Scutellaria ovata (Heart-leaved Skullcap)
Nachusa Grasslands, Nachusa, IL
#2856 Heart-Leaved Skullcap Specimen (Jul 01, 2016) 3
  Larger

Scutellaria parvula (Small Skullcap)
Dixie Briggs Fromm, Algonquin, IL
#2409 Small Skullcap Specimen (May 28, 2014) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#120 Small Skullcap Colony (May 20, 1999) 2
  Larger

#121 Small Skullcap Close-up (Jun 01, 2007) 4
  Larger

Sedella pumilum (Sierra Stonecrop)
Oroville Table Mountain, Oroville, CA
#2271 Sierra Stonecrop (Apr 01, 2003) 2
#2270 Mass of Sierra Stonecrop (Apr 01, 2003) 2
  Larger

Sedum acre (Goldmoss Stonecrop)
Newport State Park, Ellison Bay, WI
#6605 Goldmoss Stonecrop Growing on the Shore (Jun 24, 2014) 3
  Larger

#6604 Goldmoss Stonecrop Close-up (Jun 24, 2014) 3
  Larger

#2825 Rocky Lake Michigan Shore (Jun 23, 2016) 3
  Larger

Sedum divergens (Pacific Stonecrop)
Olympic National Park -- Obstruction Point Road, Port Angeles, WA
#6742 Pacific Sedum with Ground Juniper on a Rock Outcrop (Jul 24, 2014) 3
  Larger

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

#6777 Ground Juniper and Wildflowers on a Dry Ridge (Jul 25, 2014) 3
  Larger

#6768 Littleflower Penstemon Towers Over Pacific Stonecrop (Jul 25, 2014) 3
  Larger

Olympic National Park -- Obstruction Point Road, Port Angeles, WA
#990 Pacific Sedum Specimen (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

Sedum lanceolatum (Spearleaf Stonecrop)
Hells Canyon NRA Seven Devils Recreation Site, Riggins, ID
#6690 Spearleaf Sedum Close-up (Jul 10, 2014) 3
  Larger

#6689 Spearleaf Sedum Specimen (Jul 10, 2014) 3
  Larger

Sedum spathulifolium (Broadleaf Stonecrop)
Stanislaus National Forest -- Lumsden (1N10) Rd, Groveland, CA
#2685 Broadleaf Stonecrop Specimen (Apr 21, 2009) 4
  Larger

Sedum ternatum (Wild Stonecrop)
Great Smoky Mountains (Ramsey Cascade Trail), Gatlinburg, TN
#1095 Wild Stonecrop Specimen (Apr 30, 2010) 3
  Larger

Selaginella rupestris (Sand Clubmoss, Rock Spike-moss)
Nachusa Grasslands, Nachusa, IL
#656 Rock Spike-moss Specimen (Jul 13, 2007) 2
  Larger

Selenia aurea (Golden Selenia)
Devil's Knob Area, Melbourne, AR
#3973 Selenia Close Up (Mar 29, 2006) 2
  Larger

Cossatot River State Park Natural Area, Wickes, AR
#3907 Golden Selenia Specimen (Mar 14, 2006) 2
  Larger

Senecio ampullaceus (Texas Ragwort)
Enchanted Rock State Natural Area, Fredericksburg, TX
#4278 Texas Ragwort Specimen (Mar 19, 2007) 2
Senecio californicus (California Butterweed)
Anza-Borrego Desert, Borrego Springs, CA
#3435 California Butterweed Specimen (Mar 12, 2005) 2
  Larger

Whiting Wilderness Park, Lake Forest, CA
#2758 California Butterweed and Habitat (Mar 10, 2003) 2
  Larger

Caspers Wilderness Park, San Juan Capistrano, CA
#2987 California Grassland Wildflowers (Mar 20, 2017) 4
  Larger

#5397 California Butterweed Colony (Mar 20, 2017) 4
  Larger

Wilson Valley Road, Temecula, CA
#3441 California Butterweed Large Specimen (Mar 09, 2005) 4
  Larger

Senecio jacobaea (Tansy Ragwort)
Cape Breton Highlands National Park, Ingonish Beach, NS
#3740 Tansy Ragwort (Sep 03, 2005) 2
  Larger

#3753 Tansy Ragwort Along the Coast (Sep 04, 2005) 2
Senecio lugens (Black-tipped Groundsel, Small Black-tipped Ragwort)
Denali National Park -- Savage River Area, Healy, AK
#5121 Black-Tipped Groundsel and Grass (Jul 06, 2009) 3
  Larger

Senna covesii (Desert Senna)
Anza-Borrego Desert, Borrego Springs, CA
#3386 Desert Senna Flower and Buds (Mar 21, 2017) 4
  Larger

Senna durangensis (Durango Senna)
Big Bend National Park West Side, Alpine, TX
#4236 Durango Senna Specimen (Mar 07, 2007) 3
  Larger

Sequoia sempervirens (Coast Redwood)
Redwood National Park Tall Trees Area, Orick, CA
#4842 Tall Tree Base (May 18, 2009) 4
  Larger

Sequoiadendron giganteum (Giant Sequoia)
Sequoia National Park, Visalia, CA
#4699 General Sherman Tree (Apr 19, 2009) 4
  Larger

#4698 Giant Sequoia Specimen (Apr 19, 2009) 4
  Larger

Serenoa repens (Saw Palmetto)
Pine Island Flatwoods Preserve, St James City, FL
#5942 Saw Palmetto Abstract (Nov 17, 2011) 3
  Larger

#5943 Dogfennel in a Pine Flatwoods (Nov 17, 2011) 3
  Larger

Shepherdia canadensis (Russet Buffaloberry)
The Ridges Sanctuary, Baileys Harbor, WI
#2863 Russet Buffaloberry in Fruit (Jun 23, 2016) 3
  Larger

Sida fallax (yellow ilima)
Limahuli Garden, Haena, HI
#4479 Yellow ilima Close-up (Jan 19, 2008) 3
  Larger

Sidalcea malviflora (Checkerbloom)
Santa Rosa Plateau Ecological Preserve, Wildomar, CA
#1378 Checkerbloom Mallow Close-up (Apr 11, 2005) 4
  Larger

#2743 Checkerbloom Mallow Close-up (Mar 21, 2003) 2
#1385 Checker Bloom Close Up (Mar 20, 1998) 2
  Larger

Sidalcea oregana (Oregon Checkerbloom)
Payette NF, Bear Basin, McCall, ID
#6671 Oregon Checkerbloom Buried in Grass (Jul 09, 2014) 3
  Larger

Silene acaulis (Moss Campion)
Arctic Valley, Anchorage, AK
#5055 Moss Campion with Mormon Fritillaries (Jun 27, 2009) 3
  Larger

#5057 Moss Campion and Other Wildflowers on a Talus Slope (Jun 27, 2009) 3
  Larger

Denali National Park -- Thoro Pass Ranger Hike, Healy, AK
#5780 Moss Campion Close-up (Jul 10, 2010) 3
  Larger

Silene laciniata (Fringed Indian Pinks)
Stanislaus National Forest -- Lumsden (1N10) Rd, Groveland, CA
#2763 Fringed Indian Pinks Colony (Apr 21, 2009) 2
  Larger

Whiting Wilderness Park, Lake Forest, CA
#2247 Fringed Indian Pinks (Mar 20, 2003) 2
  Larger

Caspers Wilderness Park, San Juan Capistrano, CA
#3563 Fringed Indian Pinks Close-up (Apr 08, 2005) 2
  Larger

Silene latifolia ssp. alba (White Campion)
Lake in the Hills Fen, Lake in the Hills, IL
#311 White Campion Close-up (Jun 10, 2013) 2
  Larger

Silene regia (Royal Catchfly)
Nachusa Grasslands, Nachusa, IL
#2924 Royal Catchfly Close-up (Jul 11, 2016) 3
  Larger

#2925 Royal Catchfly in an Oak Savanna (Jul 11, 2016) 3
  Larger

#2919 Royal Catchfly Pair (Jul 11, 2016) 2
  Larger

Silene virginica (Fire Pinks)
Ouachita NF, Albert Pike Winding Stairs Trail, Langley, AR
#4331 Fire Pink Blossom and Buds (Mar 29, 2007) 4
  Larger

Deer Grove Forest Preserve, Palatine, IL
#2753 Fire Pinks in a Woodland Setting (Jun 10, 2016) 3
  Larger

Johnson's Shut-Ins State Park, Graniteville, MO
#3648 A Trio of Fire Pinks Close-up (Apr 28, 2005) 2
  Larger

Ouachita NF, Beech Creek National Botanical Area, Smithville, OK
#4300 Fire Pinks, Flowers and Buds (Mar 24, 2007) 2
  Larger

Great Smoky Mountains (Little River Rd; Cades C), Gatlinburg, TN
#1094 Fire Pinks Close-up (Apr 28, 2001) 2
  Larger

Silene vulgaris (Bladder Campion)
Lake in the Hills Fen, Lake in the Hills, IL
#305 Bladder Campion in Context (Jul 01, 1998) 2
#306 Bladder Campion Colony (Jul 01, 1998) 2
#307 Bladder Campion Close-up (Jun 10, 2013) 3
  Larger

Silphium integrifolium (Rosinweed)
Lake in the Hills Fen, Lake in the Hills, IL
#5517 Rosinweed Close-up (Aug 06, 2017) 3
  Larger

#5830 Rosinweed Specimen (Aug 22, 2011) 3
  Larger

#5519 Rosinweed in the Prairie (Aug 06, 2017) 2
  Larger

Silphium laciniatum (Compass Plant)
Lake in the Hills Fen, Lake in the Hills, IL
#1632 Compass Plant Flower and Leaf (Jul 10, 2015) 3
  Larger

#77 Compass Plant in the Prairie (Jul 19, 2006) 3
  Larger

#83 Compass Plant Flower Close-up (Jul 19, 2006) 3
  Larger

#478 Compass Plant in a Bed of Wild Bergamot (Jul 21, 2007) 2
  Larger

#5443 Dickcissel Perched Atop Compass Plant (Jun 24, 2017) 3
  Larger

Harlem Hills Prairie, Loves Park, IL
#2774 Pale Purple Coneflowers with Compass Plant Foliage (Jun 18, 2016) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#1384 Compass Plant in a Bed of Wild Quinine (Jul 06, 2011) 3
  Larger

Spring Green Reserve SNA, Spring Green, WI
#2580 View from the Top, Compass Plant Foreground (Jul 13, 2002) 2
Silphium perfoliatum (Cup Plant)
David Schwaegler's Home, Lake in the Hills, IL
#1211 The Heart of the Sunflower -- Cup Plant (Aug 15, 2007) 3
  Larger

#1209 Sunflower Explosion -- Cup Plant (Aug 15, 2007) 4
  Larger

#1218 Cup Plant Specimen (Jul 24, 2011) 4
  Larger

Mississippi Palisades S.P., Savanna, IL
#2352 Cup Plant Blooming in the Woods (Jul 28, 2005) 4
  Larger

Silphium terebinthinaceum (Prairie Dock)
Lake in the Hills Fen, Lake in the Hills, IL
#385 Prairie Dock Leaf Backlit (Aug 10, 1998) 2
#383 Prairie Dock in Fen (Aug 29, 2006) 3
  Larger

#1688 Prairie Dock in a Late Summer Landscape (Aug 25, 2015) 3
  Larger

#8 Prairie Dock at Sunrise (Aug 12, 2006) 3
  Larger

#5691 Prairie Dock at Sunrise (Aug 13, 2018) 3
  Larger

West Chicago Prairie Forest Preserve, West Chicago, IL
#1716 Prairie Under Powerlines (Aug 22, 2015) 2
  Larger

Wolf Road Prairie, Westchester, IL
#3196 Prairie Dock and Rattlesnake Master (Aug 22, 2004) 2
  Larger

Genesee Oak Opening, North Prairie, WI
#2584 Prairie Dock with a Woodland Background (Aug 09, 2016) 3
  Larger

Sisyrinchium albidum (Blue-eyed Grass)
Dixie Briggs Fromm, Algonquin, IL
#5608 White Blue-eyed Grass with Violet Wood Sorrel Buds (May 10, 2018) 3
  Larger

#5610 Blue-eyed Grass Portrait White Color Form (May 10, 2018) 3
  Larger

Buffalo Grove Prairie, Buffalo Grove, IL
#5417 Blue-eyed Grass Flowers and Buds (May 17, 2017) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#5613 Blue-eyed Grass Close Up Blue Color Form (May 10, 2018) 3
  Larger

#88 Blue-eyed Grass Specimen (May 22, 2014) 3
  Larger

#84 Blue-eyed Grass Colony (May 30, 1999) 2
  Larger

Illinois Beach State Park, Zion, IL
#640 Blue-eyed Grass in Flower (May 25, 2001) 3
  Larger

Sisyrinchium angustifolium (Narrow-leaved Blue-eyed Grass)
Nachusa Grasslands, Nachusa, IL
#2637 Narrow-leaved Blue-Eyed Grass Portrait (May 16, 2016) 3
  Larger

Sisyrinchium bellum (Blue-eyed Grass)
Marin Municipal Watershed -- Pine Mountain, Fairfax, CA
#2236 Blue-eyed Grass Quintet (Apr 30, 2009) 2
  Larger

Whiting Wilderness Park, Lake Forest, CA
#2757 Blue-eyed Grass and Woolly Sunflower (Mar 10, 2003) 2
Caspers Wilderness Park, San Juan Capistrano, CA
#1379 Blue-eyed Grass Close Up (Apr 04, 2005) 4
  Larger

Santa Rosa Plateau Ecological Preserve, Wildomar, CA
#1377 Blue-eyed Grass and Western Buttercups (Mar 01, 1998) 2
  Larger

Sisyrinchium montanum (Mountain Blue-eyed Grass, Strict Blue-eyed Grass)
Indian Pond, Orford, NH
#2149 Blue-eyed Grass Close-up (Jun 15, 2011) 4
  Larger

Sium suave
Indiana Dunes National Lakeshore, Chesterton, IN
#5682 Water Parsnip Specimen (Aug 01, 2018) 3
  Larger

Smilax ecirrhata (Upright Carrionflower)
Trout Park Nature Preserve, Elgin, IL
#547 Upright Male Carrionflower Close Up (May 15, 2008) 2
  Larger

Smilax glauca (Cat Greenbrier)
Red River Gorge Tunnel Ridge Road, Stanton, KY
#5854 Cat Greenbrier in Fall Color (Oct 21, 2011) 3
  Larger

Smilax lasioneura (Carrion Flower)
David Schwaegler's Home, Lake in the Hills, IL
#682 Carrion Flower in Fruit (Sep 18, 2014) 3
  Larger

#315 Female Carrion Flower Close-up (Jun 10, 2013) 2
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#5642 Carrion Flower Close Up (Jun 11, 2018) 3
  Larger

#5641 Carrion Flower with Male Flowers (Jun 11, 2018) 3
  Larger

Solanum carolinense (Horse Nettle)
Lake in the Hills Fen, Lake in the Hills, IL
#361 Horse Nettle Close Up (Jul 12, 2010) 2
  Larger

Solanum xanti (Purple Nightshade)
Anza-Borrego Desert, Borrego Springs, CA
#3018 Purple Nightshade Close Up (Apr 13, 2004) 2
  Larger

Cleveland National Forest Harding Canyon, Modjeska, CA
#2709 Purple Nightshade Close-up (Mar 05, 2003) 2
#2708 Purple Nightshade Specimen (Mar 05, 2003) 2
  Larger

Solidago altissima (Tall Goldenrod)
Lake in the Hills Fen, Lake in the Hills, IL
#425 Pale Indian Plantain in the Prairie (Aug 26, 2014) 3
  Larger

#398 Tall Goldenrod Close-up with Button Liatris Background (Sep 10, 2011) 2
  Larger

#21 Goldenrod and Sunflowers under a Beautiful Sky (Sep 11, 2011) 3
  Larger

Solidago caesia (Wreath Goldenrod)
Great Smoky Mountains (Cosby Camp), Cosby, TN
#1037 Wreath Goldenrod Specimen (Oct 25, 2011) 2
  Larger

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

Solidago flexicaulis (Zigzag Goldenrod)
David Schwaegler's Home, Lake in the Hills, IL
#859 Zigzag Goldenrod with Bumblebee (Sep 18, 2014) 2
  Larger

Solidago juncea (Early Goldenrod)
Lake in the Hills Fen, Lake in the Hills, IL
#71 Early Goldenrod Specimen (Jul 20, 2006) 2
  Larger

#446 Indian Grass and Early Goldenrod (Aug 01, 1998) 2
  Larger

Nachusa Grasslands, Nachusa, IL
#73 Early Goldenrod Close-up (Aug 03, 2016) 3
  Larger

Solidago multiradiata (Northern Goldenrod, Rocky Mountain Goldenrod)
Wrangell - Saint Elias National Park, Gakona, AK
#5019 Northern Goldenrod Specimen (Jun 20, 2009) 3
  Larger

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

Solidago nemoralis (Oldfield Goldenrod)
Lake in the Hills Fen, Lake in the Hills, IL
#119 Late Summer Short Grass Prairie (Sep 16, 2011) 3
  Larger

#86 Button Liatris and Oldfield Goldenrod with Little Bluestem Grass (Sep 16, 2011) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#2496 Riot of Goldenrod and Button Liatris (Aug 30, 2006) 4
  Larger

#36 Oldfield Goldenrod Beautiful Specimen (Sep 13, 2016) 3
  Larger

#2495 Goldenrod and Button Liatris in Prairie Setting (Aug 30, 2006) 4
  Larger

Chiwaukee Prairie SNA, Pleasant Prairie, WI
#376 Oldfield Goldenrod Supported By Little Bluestem Grass (Sep 18, 2010) 4
  Larger

#3769 Goldenrod Soldier Beetle on Old-Field Goldenrod (Sep 21, 2005) 2
  Larger

Solidago patula (Swamp Goldenrod)
Lake in the Hills Fen, Lake in the Hills, IL
#22 Swamp Goldenrod among Cattails (Aug 30, 1998) 2
  Larger

Solidago speciosa (Showy Goldenrod)
Lake in the Hills Fen, Lake in the Hills, IL
#20 Showy Goldenrod with Indian Grass (Sep 05, 1998) 2
  Larger

#33 Showy Goldenrod Close Up (Sep 21, 2006) 3
  Larger

#125 Showy Goldenrod in a Prairie Setting (Sep 16, 2011) 3
  Larger

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

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

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

#1725 Tall Boneset and Showy Goldenrod in a Short-Grass Prairie (Sep 18, 2015) 3
  Larger

#1723 Monarch Butterfly on Showy Goldenrod (Sep 18, 2015) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#2497 Showy Goldenrod and Little Bluestem on Sandstone Knob (Sep 21, 2003) 2
  Larger

#2323 Buckeye on Showy Goldenrod (Sep 15, 2002) 3
  Larger

#2322 Mass of Showy Goldenrod and Little Bluestem (Sep 15, 2002) 2
  Larger

Solidago uliginosa (Bog Goldenrod)
Lake in the Hills Fen, Lake in the Hills, IL
#63 Bog Goldenrod in Fen (Jul 20, 2006) 3
  Larger

#62 Bog Goldenrod Specimen (Jul 20, 2006) 2
  Larger

#5692 August Fen Microcosm (Aug 10, 2018) 3
  Larger

#65 Bog Goldenrod Close-up (Jul 20, 2006) 2
  Larger

Spread Eagle Barrens SNA, Florence, WI
#2612 Field of Bog Goldenrod (Aug 19, 2002) 2
  Larger

#2613 Late Summer Wildflower in Barrens (Aug 19, 2002) 2
#2614 Bog Goldenrod Close-up (Aug 19, 2002) 2
Sophora chrysophylla (Mamane)
Kipuka Puaulu Hawaii Volcanoes National Park, Volcano, HI
#6257 Mamane Close-up (Jan 09, 2008) 3
  Larger

Sophora secundiflora (Mescal Bean, Texas Mountain Laurel)
Lost Maples State Natural Area, Vanderpool, TX
#4291 Texas Mountain Laurel Specimen (Mar 20, 2007) 2
  Larger

#4292 Texas Mountain Laurel Close-up (Mar 20, 2007) 3
  Larger

#4293 Texas Mountain Laurel White Form (Mar 20, 2007) 3
  Larger

Sorbus aucuparia (European Mountain Ash)
David Schwaegler's Home, Lake in the Hills, IL
#1335 European Mountain Ash in Bloom (May 15, 2015) 3
  Larger

Sorbus scopulina (Greene's Mountain Ash)
Mores Mountain in Shafer Butte Recreation Area, Boise, ID
#6364 Greene's Mountain Ash with Orange Berries (Aug 09, 2013) 2
  Larger

Glacier National Park Iceberg Lake Trail, Babb, MT
#6426 Greene's Mountain Ash in Fruit (Sep 09, 2013) 3
  Larger

Sorbus sitchensis (Western Mountain Ash)
Mt. Rainier National Park Summerland Trail, White River Entrance, WA
#6354 Western Mountain-Ash with Ripe Berries (Aug 15, 2013) 3
  Larger

Sorghastrum nutans (Indian Grass)
Lake in the Hills Fen, Lake in the Hills, IL
#446 Indian Grass and Early Goldenrod (Aug 01, 1998) 2
  Larger

#1693 Indian Grass in Bloom (Sep 04, 2015) 3
  Larger

#119 Late Summer Short Grass Prairie (Sep 16, 2011) 3
  Larger

#5829 False Sunflower and Indian Grass (Aug 22, 2011) 3
  Larger

#20 Showy Goldenrod with Indian Grass (Sep 05, 1998) 2
  Larger

#1309 Prairie Under a Dramatic Sky (Sep 24, 2011) 3
  Larger

#5300 Hillside Prairie (Sep 02, 2016) 3
  Larger

#507 Button Blazing Star Colony (Sep 08, 2008) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#1795 Sandstone Outcrop with Oaks in the Prairie (Sep 25, 2015) 3
  Larger

Illinois Beach State Park, Zion, IL
#2482 Indian Grass Along the Shore of the Dead River (Sep 10, 2003) 2
Perrot State Park, Trempealeau, WI
#183 Late Summer Goat Prairie (Aug 22, 2016) 3
  Larger

Sparganium americanum (American Bur Reed)
Indian Pond, Orford, NH
#5663 Large Wetland in the Forest (Jul 29, 2018) 3
  Larger

#752 Bur Reed in Seed (Sep 28, 2007) 3
  Larger

#762 American Bur-Reed in Flower (Jul 20, 2018) 3
  Larger

Sparganium angustifolium (Narrow-leaved Floating Bur Reed)
Ottawa National Forest Sylvania Wilderness, Watersmeet, MI
#1860 Floating Bur Reed and Maple Leaves (Oct 02, 2015) 2
  Larger

Shadow (Boot) Lake, Florence, WI
#881 Narrow-Leaved Floating Bur Reed (Jul 22, 2017) 3
  Larger

Sparganium eurycarpum (Common Bur Reed)
Lake in the Hills Fen, Lake in the Hills, IL
#354 Bur Reed Seeds (Aug 20, 1998) 2
  Larger

#137 Bur Reed Flower Close-up (Jun 01, 1999) 3
  Larger

Spartina pectinata (Cord Grass)
Lake in the Hills Fen, Lake in the Hills, IL
#352 Sunflowers and Tall Grass (Sep 08, 2006) 3
  Larger

#356 Cord Grass in Context (Aug 10, 1998) 2
  Larger

#357 Cord Grass in Bloom (Jul 12, 2010) 2
  Larger

Goose Lake Prairie, Morris, IL
#5296 Cord Grass with Tall Tickseed Marigolds (Aug 31, 2016) 3
  Larger

Spartium junceum (Spanish Broom)
Cleveland National Forest Harding Truck Trail, Modjeska, CA
#2706 Spanish Broom (Mar 05, 2003) 2
#2707 Spanish Broom Close-up (Mar 05, 2003) 2
  Larger

Sphaeralcea ambigua (Desert Hollyhock)
Usery Regional Park, Mesa, AZ
#3387 Desert Hollyhock Flowering Stem (Feb 18, 2005) 4
  Larger

Anza-Borrego Desert, Borrego Springs, CA
#3005 Desert Hollyhock and Yarrow on Recently Burned Hillside (Apr 13, 2004) 2
  Larger

Sphaeralcea coccinea (Scarlet Globemallow)
Theodore Roosevelt National Park, Medora, ND
#6636 Scarlet Globe Mallow and Beetle (Jun 27, 2014) 4
  Larger

Sphaeralcea laxa (Caliche Globemallow)
Saguaro National Park, Tucson, AZ
#2949 Caliche Globemallow (Mar 18, 2004) 2
  Larger

Sphagneticola trilobata (Creeping-oxeye, Wedelia)
Pololu Valley, Kapaau, HI
#6278 Pololu Valley Floor (Oct 09, 2012) 3
  Larger

#6277 Wedelia Specimen (Oct 09, 2012) 3
  Larger

Sphagnum compactum (Low Sphagnum)
Indian Pond, Orford, NH
#5650 Low Sphagnum Moss with Spore Capsules (Jul 27, 2018) 3
  Larger

Beulah Bog SNA, East Troy, WI
#4087 Velvet-leaf Blueberry in Sphagnum (Oct 27, 2006) 2
  Larger

#3115 Round-Leaved Sundew in a Bed of Sphagnum Moss (Jun 14, 2010) 3
  Larger

#4083 Pitcher-Plants in a Bed of Sphagnum Moss (Oct 27, 2016) 3
  Larger

Grandma Lake Wetlands SNA, Long Lake (Florence), WI
#962 Round-leaved Sundew on Sphagnum (Jun 16, 2005) 2
  Larger

Spiraea alba (Meadowsweet)
Lake in the Hills Fen, Lake in the Hills, IL
#60 Meadowsweet Close-up (Jul 15, 2006) 3
  Larger

#34 Flower-Filled Meadow in Mid-July (Jul 23, 2005) 3
  Larger

Fundy Coastal Drive, St. Stephen, NB
#3701 Meadowsweet with Raindrops (Aug 30, 2005) 3
  Larger

Indian Pond, Orford, NH
#5665 Sedge Meadow with Mt. Cube Background (Jul 29, 2018) 3
  Larger

#902 Meadowsweet Specimen (Aug 01, 2010) 3
  Larger

#5803 Meadowsweet Flowers and Buds (Jun 13, 2011) 4
  Larger

Spiraea splendens (Rose Meadowsweet)
Mt. Rainier National Park Paradise Area, Ashford, WA
#6334 Corn Lily (False Hellebore) and Neighbors (Aug 15, 2013) 4
  Larger

Mt. Rainier National Park Stevens Canyon Road, Ashford, WA
#6345 Mt Rainier Reflection in Reflection Lake (Jul 31, 2014) 4
  Larger

Mt. Rainier National Park Paradise Area, Ashford, WA
#6336 Rose Meadowsweet Specimen (Aug 15, 2013) 4
  Larger

Mt. Rainier National Park Stevens Canyon Road, Ashford, WA
#6840 Mt. Rainier Reflection Portrait (Jul 31, 2014) 4
  Larger

Mt. Rainier National Park Summerland Trail, White River Entrance, WA
#6810 Ascending to Summerland 6: Meadow (Jul 30, 2014) 4
  Larger

Spiraea tomentosa (Steeplebush)
Indian Pond, Orford, NH
#2129 Steeplebush Close-up (Jul 26, 2018) 3
  Larger

#5659 Joe Pye Weed Dominates a Sunny Opening (Jul 27, 2018) 3
  Larger

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

Necedah NWR, Tomah, WI
#5290 Steeplebush Branch (Aug 24, 2016) 3
  Larger

Spiranthes cernua (Nodding Ladies Tresses)
Lake in the Hills Fen, Lake in the Hills, IL
#422 Nodding Ladies Tresses with Little Bluestem Prairie Grass (Aug 25, 2014) 3
  Larger

#423 Nodding Ladies' Tresses Close Up (Aug 29, 2017) 3
  Larger

Chiwaukee Prairie SNA, Pleasant Prairie, WI
#382 Nodding Ladies Tresses Orchid in Context (Sep 18, 2010) 2
  Larger

Spiranthes lacera (Northern Slender Ladies Tresses)
Illinois Beach State Park, Zion, IL
#1680 Northern Slender Ladies Tresses Specimen (Aug 21, 2015) 2
  Larger

The Ridges Sanctuary, Baileys Harbor, WI
#5455 Northern Slender Ladies Tresses Flowers and Buds (Jul 18, 2017) 2
  Larger

Spiranthes magnicamporum (Great Plains Ladies Tresses)
Perrot State Park, Trempealeau, WI
#1792 Great Plains Ladies Tress Orchid Specimen (Aug 23, 2016) 3
  Larger

Spiranthes romanzoffiana (Hooded Ladies Tresses)
Anthony Lake Recreation Area, Baker City, OR
#6699 Hooded Ladies Tresses Specimen (Jul 13, 2014) 3
  Larger

Sporobolus heterolepis (Prairie Dropseed)
Dixie Briggs Fromm, Algonquin, IL
#1450 Leadplant Emerging from Prairie Grass (Jul 03, 2015) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#119 Late Summer Short Grass Prairie (Sep 16, 2011) 3
  Larger

#1309 Prairie Under a Dramatic Sky (Sep 24, 2011) 3
  Larger

#399 Prairie Dropseed in Seed with Goldenrod Background (Sep 11, 2017) 3
  Larger

Stachys chamissonis (Coastal Hedgenettle)
Russian Gulch State Park, Mendocino, CA
#3150 Coastal Hedgenettle (Jun 08, 2004) 2
  Larger

Olympic National Park -- Humes Ranch Trail, Port Angeles, WA
#6786 Coastal Hedgenettle Close-up (Jul 26, 2014) 3
  Larger

Stachys coccinea (Scarlet Hedgenettle)
Tonto NF Superstition Wilderness Area, Apache Junction, AZ
#4643 Scarlet Hedgenettle Specimen (Mar 28, 2009) 2
  Larger

Stachys pilosa (Woundwort)
Lake in the Hills Fen, Lake in the Hills, IL
#282 Woundwort in Prairie Setting (Jul 01, 1998) 2
  Larger

#287 Woundwort Close-up (Jul 07, 2006) 3
  Larger

Stachys rigida var. rigida (Rigid Hedgenettle)
Patrick's Point State Park, Eureka, CA
#4812 Rigid Hedgenettle Close-up (May 13, 2009) 3
  Larger

Stachys tenuifolia (Marsh Hedgenettle)
Lake in the Hills Fen, Lake in the Hills, IL
#288 Marsh Hedge Nettle Close-up (Jul 15, 1998) 2
  Larger

Stanleya pinnata (Desert Prince's Plume)
Capitol Reef NP UT 24 and Scenic Drive, Torrey, UT
#3449 Prince's Plume Close-up (Sep 29, 2013) 4
  Larger

Staphylea trifolia (American Bladdernut)
Matthiessen State Park, Oglesby, IL
#2042 Bladdernut Close-up of Leaf and Blooms (May 19, 2011) 4
  Larger

Stellaria meadia (Common Chickweed)
Hells Canyon NRA Seven Devils Recreation Site, Riggins, ID
#6691 Common Chickweed on Mossy Bank (Jul 10, 2014) 3
  Larger

Stellaria pubera (Giant Chickweed)
Red River Gorge, Stanton, KY
#1043 Giant Chickweed (Apr 25, 2001) 2
Stenocereus thurberi (Organ Pipe Cactus)
Organ Pipe Cactus National Monument, Ajo, AZ
#1573 Desert Scene along Ajo Mountain Road (Apr 02, 1998) 3
  Larger

Stillingia spinulosa (Annual Toothleaf)
Anza-Borrego Desert, Borrego Springs, CA
#1474 Annual Toothleaf (Feb 20, 2001) 2
Streptanthella longirostris (Longbeak Fiddle Mustard)
Anza-Borrego Desert, Borrego Springs, CA
#3371 Longbeak Fiddle Mustard Specimen (Feb 15, 2005) 2
  Larger

Streptopus amplexifolius var. amplexifolius (Claspleaf Twistedstalk)
Prairie Creek Redwoods Fern Canyon, Orick, CA
#4821 Clasping-leaf Twisted Stalk Specimen (May 19, 2009) 2
  Larger

Horserace Rapids, Crystal Falls, MI
#2622 Claspleaf Twisted Stalk with Berries (Aug 18, 2002) 2
Stylophorum diphyllum (Celandine Poppy)
Devil's Kitchen Lake, Carbondale, IL
#3985 Celandine Poppy and Bud (Apr 05, 2006) 4
  Larger

Shawnee NF -- La Rue Pine Hills, Jonesboro, IL
#4010 Dwarf Larkspur and Celandine Poppies (Apr 09, 2006) 2
  Larger

#4008 Celadine Poppies on Hillside (Apr 09, 2006) 2
  Larger

David Schwaegler's Home, Lake in the Hills, IL
#998 Celandine Poppy Portrait (May 10, 2014) 3
  Larger

#191 Celandine Poppy Flower and Leaves (Apr 21, 2016) 3
  Larger

#999 Celandine Poppy Colony (May 10, 2014) 3
  Larger

#1196 Celandine Poppy Close-up (May 03, 2011) 4
  Larger

Styphelia tameiameiae (Pukiawe)
Mauna Loa Road Hawaii Volcano National Park, Volcano, HI
#4499 Pukiawe in Fruit (Oct 06, 2012) 3
  Larger

Symphoricarpos occidentalis (Western Snowberry)
Theodore Roosevelt National Park, Medora, ND
#513 Western Snowberry in Flower (Jun 28, 2014) 3
  Larger

Symphyotrichum cordifolium (Common Blue Wood Aster)
Porcupine Mountains - Big Carp River, Ontonagon, MI
#1954 Common Blue Wood Aster Specimen (Oct 06, 2015) 2
  Larger

Indian Pond, Orford, NH
#758 Common Blue Wood Aster Specimen (Sep 27, 2007) 2
  Larger

Great Smoky Mountains (Cosby Camp), Cosby, TN
#1038 Common Blue Wood Aster in a Woodland Setting (Oct 25, 2011) 2
  Larger

Wyalusing SP, Prairie Du Chien, WI
#794 Common Blue Wood Aster Close Up (Oct 19, 2010) 2
  Larger

Symphyotrichum ericoides (Heath Aster)
Nachusa Grasslands, Nachusa, IL
#5311 Heath Aster Close-up (Sep 13, 2016) 3
  Larger

#1814 Heath Aster Specimen (Sep 25, 2015) 3
  Larger

Symphyotrichum laeve (Smooth Blue Aster)
Lake in the Hills Fen, Lake in the Hills, IL
#5553 Smooth Blue Aster Colony (Sep 14, 2017) 2
  Larger

#5554 Smooth Blue Aster Close-up (Sep 14, 2017) 3
  Larger

Genesee Oak Opening, North Prairie, WI
#5317 Smooth Blue Aster Specimen (Sep 20, 2016) 2
  Larger

Symphyotrichum lanceolatum ssp. lanceolatum (Panicled Aster)
Lake in the Hills Fen, Lake in the Hills, IL
#104 Panicled Aster Clump (Sep 16, 2011) 2
  Larger

Cape Breton Highlands National Park, Ingonish Beach, NS
#3733 Panicled Aster Specimen (Sep 03, 2005) 2
  Larger

Symphyotrichum lateriflorum (Side-flowering Aster)
Lake in the Hills Fen, Lake in the Hills, IL
#338 Fen Portrait in Late Summer (Aug 31, 2014) 3
  Larger

#109 Side-flowering Aster with Hardstem Bulrush (Sep 16, 2011) 3
  Larger

Symphyotrichum novae-angliae (New England Aster)
David Schwaegler's Home, Lake in the Hills, IL
#566 Metallic Green Bee on New England Aster (Sep 17, 2014) 3
  Larger

#1707 New England Aster Close-up (Sep 07, 2015) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#4 New England Aster Supported by Joe Pye Weed (Sep 16, 2011) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#5313 New England Aster Flowers and Buds (Sep 13, 2016) 3
  Larger

Volo Bog, Volo, IL
#1283 New England Aster Clump (Oct 03, 2008) 4
  Larger

Symphyotrichum oblongifolium (Aromatic Aster)
Hogsback, Steuben, WI
#2307 Aromatic Aster (Sep 15, 2002) 2
  Larger

Symphyotrichum oolentangiense var. oolentangiense (Skyblue Aster)
Dixie Briggs Fromm, Algonquin, IL
#1630 Sky-blue Aster Close-up (Sep 05, 2015) 3
  Larger

#1720 Skyblue Asters Flowers and Buds (Sep 15, 2015) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#2309 Skyblue Aster and Little Bluestem (Oct 01, 2006) 3
  Larger

Chiwaukee Prairie SNA, Pleasant Prairie, WI
#1288 Skyblue Aster and Prairie Grass (Sep 12, 2008) 4
  Larger

#3770 Sky-Blue Aster Specimen (Sep 21, 2005) 2
  Larger

Symphyotrichum puniceum var. puniceum (Bristly Aster, Purple-stemmed Aster, Swamp Aster)
Lake in the Hills Fen, Lake in the Hills, IL
#2494 Bristly Aster (Oct 05, 2003) 2
  Larger

Symphyotrichum sericeum (Silky Aster, Western Silver Aster)
Lake in the Hills Fen, Lake in the Hills, IL
#2488 Silky Aster with Little Blluestem Grass (Sep 18, 2015) 3
  Larger

#3775 Silky Aster Specimen (Sep 24, 2011) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#2320 Mass of Silky Asters (Sep 24, 2008) 4
  Larger

Symplocarpus foetidus (Skunk Cabbage)
Lake in the Hills Fen, Lake in the Hills, IL
#140 Skunk Cabbage in Bloom (Mar 13, 2012) 3
  Larger

Indiana Dunes National Lakeshore, Chesterton, IN
#2444 Swamp Along the Cowles Bog Trail (May 11, 2016) 3
  Larger