 Green frog on summer spiderlily (Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Close-up of a green frog on summer spiderlily (Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Leaves of summer spiderlily (Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Fruits of summer spiderlily (Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Seed head of summer spiderlily (Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026
 Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
 Blooming summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026
 Leaves of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Bulblets of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 12, 2026
 Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
 Fruits of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) with fruits at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Fruits of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 12, 2026
 White flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026
 White flower of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Bulblets on flower stalks of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 12, 2026
 Flower of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) under both white light and a 365 nm ultraviolet (UV-A) LED flashlight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026
 White flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026
 Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026
 Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Umbel of flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Seeds of buttonbush (Cephalanthus occidentalis) taken from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 Green shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Various seeds collected in a frequently flooded area near Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 A lichen with olive green apothecia on a rock near the ground in a forest in area of sandstone outcrops at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Broken fruit of Buffalo gourd (calabazilla, Cucurbita foetidissima) with seeds at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Dwarf dandelion (Krigia occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Blooming buttonbush (Cephalanthus occidentalis) on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 12, 2026
 Florets of buttonbush (Cephalanthus occidentalis) on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 12, 2026
 Blooming buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Close-up of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Dwarf dandelion (Krigia occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Red shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Young leaves of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Globular inflorescense of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 Flower of dwarf dandelion (Krigia occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Reddish fruits of buttonbush (Cephalanthus occidentalis) on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 12, 2026
 Seed heads of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Reddish fruits of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Shoot of buttonbush (Cephalanthus occidentalis)(?) with a caterpillar at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Globular flower of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Dwarf dandelion (Krigia occidentalis) with giant ragweed at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Bougainvillea-like young leaves of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Green crust fungus Trichoderma viride under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Seeds of bigpod Sesbania (Sesbania herbacea) taken from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 Reddish globular seed head of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Dwarf dandelion (Krigia occidentalis) witha katydid nymph at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Close up of green crust fungus Trichoderma viride under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Patch of green crust fungus Trichoderma viride under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 A swamp at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Greenbrier (smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Forest road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Grassy road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Flooded oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Reflections of oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Flooded road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Swampy road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Downed oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Oaks with greenbrier (smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Oak forest in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Road in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Dry seeds of mallow(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Orange seeds of buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Animal droppings with some seeds at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Seeds of salt-marsh fleabane at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Underside of pinkgill (Entoloma) mushroom under red cedar trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Drying leaves of elm on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Various dry brown leaves on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Sordid blewit mushrooms (Lepista sordida)(?) found under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Dry seeds of rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Seeds of a small plant of carrot family at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Seeds of wild carrot (Daucus pusillus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Inflated seeds of fox sedge (Carex vulpinoidea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Dried leaves of post oak on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dry mustang grape leaves on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dry brown leaves of live oak and elm on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dried leaves of hackberry on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dry curled leaves of hackberry on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dried leaves of post oak on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dried leaves of cypress elm on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dried leaves of live oak and elm on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Side view of pinkgill (Entoloma) mushroom under red cedar trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Polypore mushrooms Phellinus gilvus (Fuscoporia gilva) on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Seeds of silver bluestem grass (Bothriochloa laguroides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Seeds of late-flowering boneset (Eupatorium serotinum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Emerging seeds of cowpen daisy (Verbesina encelioides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Flowers and seeds of large buttonweed (Diodia virginiana) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Dried leaves of mustang grape on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
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