 Orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, May 14, 2022
 Flowers of orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Flowers of orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
 Flowers of orange milkweed (Asclepias tuberosa) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
 Blooming orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Orange milkweed (Asclepias tuberosa) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Orange milkweed (Asclepias tuberosa) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 8, 2010
 Orange milkweed (Asclepias tuberosa) in bloom on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
 Orange milkweed (Asclepias tuberosa) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Flower buds of orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Blooming orange milkweed (Asclepias tuberosa) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Flower buds of orange milkweed (Asclepias tuberosa) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Orange milkweed (Asclepias tuberosa) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, September 21, 2024
 Seed head of red milkweed (Asclepias tuberosa) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2019
 Fluffy seeds of red milkweed (Asclepias tuberosa) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2019
 Orange milkweed (asclepias) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2008
 Green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Opening flowers of green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Opening flowers of white milkweed (Asclepias variegata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 8, 2010
 Flower buds of white-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 White-flowered milkweed (Asclepias variegata) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Green flowers of Zizotes milkweed (Asclepias oenotheroides) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, August 24, 2024
 Flowers of Southern Slender Ladies Tresses (Spiranthes tuberosa var. gracilis) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Close-up of flowers of Southern Slender Ladies Tresses (Spiranthes tuberosa var. gracilis) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Red milkweed flowers (Asclepias tuberosa) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, January 11, 2009
 Orange milkweed (Asclepias tuberosa) in Antique Rose Emporium. Independence, Texas, August 15, 2009
 Seed pod of white-flowered milkweed (Asclepias variegata) or may be A. tuberosa on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, October 1, 2020
 Green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 "Exploding" seeds of white-flowered milkweed (Asclepias variegata) or may be A. tuberosa on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, October 1, 2020
 Fluffy seeds of white-flowered milkweed (Asclepias variegata) or may be A. tuberosa on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, October 1, 2020
 Whorled milkweed (Asclepias verticillata(?)) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 White-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 White-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
 Close-up of white-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
 White-flowered milkweed (Asclepias variegata) in bloom on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Flower buds of white-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 White-flowered milkweed (Asclepias variegata) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, April 30, 2022
 Flower buds of White-flowered milkweed (Asclepias variegata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 8, 2010
 White-flowered milkweed (Asclepias variegata) with a longhorn beetle on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 8, 2010
 White-flowered milkweed (Asclepias variegata) with black moths on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 8, 2010
 Orange milkweed (Asclepias tuberosa) in Lake Bryan Park. Bryan, Texas, May 1, 2020
 Orange milkweed (Asclepias tuberosa) in Lake Bryan Park. Bryan, Texas, May 16, 2018
 Orange milkweed (Asclepias tuberosa) in Lake Bryan Park. Bryan, Texas, May 21, 2010
 Orange milkweed (Asclepias tuberosa) in Lake Bryan Park. Bryan, Texas, July 26, 2011
 Orange milkweed (Asclepias tuberosa) in bloom in Lake Bryan Park. Bryan, Texas, May 21, 2010
 Opening flowers of white-flowered milkweed (Asclepias variegata) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, April 27, 2022
 Zizotes milkweed (Asclepias oenotheroides) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, August 24, 2024
 Blooming Zizotes milkweed (Asclepias oenotheroides) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, August 24, 2024
 Flower spike of Little Ladies Tresses (Spiranthes tuberosa var. gracilis) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Plant of Little Ladies Tresses (Spiranthes tuberosa var. gracilis) on a side of a path on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Red milkweed (Asclepias tuberosa) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, January 11, 2009
 White-flowered milkweed (Asclepias variegata) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, April 9, 2020
 White-flowered milkweed (Asclepias variegata) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, April 28, 2023
 White flowers of aquatic milkweed Asclepias perennis growing in a dry creek bed on Kirby Nature Trail in Big Thicket National Preserve. Warren, Texas, June 12, 2022
 Flowers of white milkweed (Asclepias variegata) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 9, 2023
 White-flowered milkweed (Asclepias variegata) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, April 27, 2022
 Red milkweed (Asclepias tuberosa) near Lost Pines Trail in Bastrop State Park. Bastrop, Texas, June 16, 2012
 Spores of a small orange Ascomycete fungus Anthracobia tristis or may be A. maurilabra collected 1/26/2022 from a bonfire site on Richards Loop Trail in Sam Houston National Forest. Texas, January 26, 2022
 Asci of a small orange Ascomycete fungus Anthracobia tristis or may be A. maurilabra collected 1/26/2022 from a bonfire site on Richards Loop Trail in Sam Houston National Forest. Texas, January 26, 2022
 Orange milkweed on Four Notch Loop Trail in Sam Houston National Forest. Huntsville, Texas, May 11, 2008
 Asci and paraphyses of a small orange Ascomycete fungus Anthracobia tristis or may be A. maurilabra collected 1/26/2022 from a bonfire site on Richards Loop Trail in Sam Houston National Forest. Texas, January 26, 2022
 Asci and paraphyses through a microscope of a small orange Ascomycete fungus Anthracobia tristis or may be A. maurilabra collected 1/26/2022 from a bonfire site on Richards Loop Trail in Sam Houston National Forest. Texas, January 26, 2022
 Red milkweed (Asclepias tuberosa) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Red milkweed (Asclepias tuberosa) in Lake Bryan Park. Bryan, Texas, June 13, 2012
 Red milkweed (Asclepias tuberosa) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, May 12, 2024
 Flowers of coralbean (Erythrina herbacea) on Richards Loop Trail in Sam Houston National Forest. Texas, May 14, 2022
 Back lit flowers of dewberry on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Asci of a small orange Ascomycete fungus Anthracobia tristis or may be A. maurilabra together with green globular cells of algae(?) under a microscope collected 1/26/2022 from a bonfire site on Richards Loop Trail in Sam Houston National Forest. Texas, January 26, 2022
 Yellow milkweed (Asclepias tuberosa) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 20, 2008
 Flowers of beautyberry (Callicarpa americana) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Flowers of woolly-white (Hymenopappus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Orange jelly spot fungus (Dacrymyces chrysospermus) on a fallen pine branch on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022
 Small orange Ascomycete fungus Anthracobia tristis or may be A. maurilabra on a bonfire site on Richards Loop Trail in Sam Houston National Forest. Texas, January 16, 2022
 Flowers of green milkweed (Asclepias viridis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 31, 2024
 Flowers of nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Flowers of purple dewdrop (Lobelia puberula) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022
 Flowers of blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Close-up of flowers of green milkweed (Asclepias viridis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 31, 2024
 Bronze beetles on flowers of white-flowered milkweed (Asclepias variegata) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, April 25, 2024
 Small orange cup mushrooms Anthracobia tristis or may be A. maurilabra on a bonfire site before first lake, on old logging road on Richards Loop Trail in Sam Houston National Forest. Texas, January 16, 2022
 Dry flowers of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Three dry flowers of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Seed pods of white-flowered milkweed (Asclepias variegata) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, October 6, 2022
 Half-dry flowers of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Flowers of Longleaf milkweed (Asclepias longifolia) on Pitcher Plant Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
 Flowers of elegant gayfeather (pinkscale, Liatris hesperelegans, former L. elegans) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022
 Flowers of elegant gayfeather (pinkscale, Liatris hesperelegans, former L. elegans) on Richards Loop Trail in Sam Houston National Forest. Texas, October 18, 2022
 Close-up of seed pods of white-flowered milkweed (Asclepias variegata) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, October 6, 2022
 Tips of seed pods of white-flowered milkweed (Asclepias variegata) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, October 6, 2022
 Flowers of red milkweed (Asclepias rubra) on a boardwalk in Watson Rare Native Plant Preserve. Warren, Texas, June 25, 2022
 Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
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