 Buffalo gourd (calabazilla, Cucurbita foetidissima) taken from Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
 Buffalo gourd (calabazilla, Cucurbita foetidissima) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 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
 Buffalo gourd (calabazilla, Cucurbita foetidissima) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 Buffalo gourd both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 Dissected buffalo gourd both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 Slice of buffalo gourd when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 Prickly seeds of Buffalo bur (Solanum rostratum) in Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2012
 Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Swampy area near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Dry oak tries in a formerly flooded area near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Oaks and greenbriers near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Willow oak (Quercus phellos) near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Fall colors of oaks near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Funnel mushrooms (Clitocybe) under cedar trees near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 White resupinate poroid fungus on a mossy oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Resupinate poroid fungus Fuscoporia ferruginosa on oak bark near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 White corticioid poria fungus on a mossy oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Yellowdrop milkcap mushrooms (Lactarius chrysorrheus(?)) under cedar trees near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Ringless honey mushrooms (Desarmillaria caespitosa, former D. tabescens, Armillaria) near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Pores of resupinate fungus Fuscoporia ferruginosa on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Resupinate poroid fungus Fuscoporia ferruginosa on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Dark brown webcap (Cortinarius) mushrooms under cedar trees near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 A road on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 A swamp 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
 Flooded oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Skullcap (Scutellaria) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Flooded road 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
 Greenbrier (smilax) 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
 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
 Close up of pores of resupinate fungus Fuscoporia ferruginosa on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Close up of resupinate poroid fungus Fuscoporia ferruginosa on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Blistered jelly lichen (Collema, Enchylium conglomeratum) on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Rescuegrass (Bromus cartharticus) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Shoot of cedar elm on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Ripening blackberry on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Blooming rush (Juncus) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Oaks with greenbrier (smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Vegetation at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Dry grasses at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Cockleburs at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Dry oak trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Fall colors at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Shelter for horses at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Oak and red cedar trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Small oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Dead oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Overgrown trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Sumpweed (Iva annua) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Sandy road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Dead oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Overgrown road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Carolina larkspur (Delphinium carolinianum) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Amanita sect. Amidella mushroom on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Whorled milkweed (Asclepias verticillata) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Road in a recently flooded area 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
 Meadow pink (Sabatia campestris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Beebalm (Monarda punctata) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, May 27, 2018
 Some small sedge in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Rusty refridgerator(?) under greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Old oak stump at low water level on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Weathered oak wood in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Cyanobacteria Nostoc commune at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Tickseed sunflower (Bidens) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Small sedge in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Previously flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Formely flooded oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Shelter for horse riders at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Red lovegrass (Eragrostis secundiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Blistered jelly lichen (Collema, Enchylium conglomeratum) on bark of a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Gills of Amanita sect. Amidella mushroom on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Some polypore (bracket) mushrooms on an oak log near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 15, 2018
 Meadow pink (Sabatia campestris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Flowers of whorled milkweed (Asclepias verticillata) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Flowers of beebalm (Monarda punctata) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, May 27, 2018
 Carolina larkspur (Delphinium carolinianum) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Milkcap mushrooms (Lactarius) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 White prickly poppy (Argemone albiflora) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Blue skullcap flowers (Scutellaria) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Dissected mushroom Amanita sect. Amidella on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Hemisphaeric liverwort (Reboulia hemisphaerica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Turnsole (Heliotropium procumbens) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Jelly like cyanobacteria Nostoc commune at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Common creeping grass on sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Candy grass (Eragrostis cilianensis)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Wild buckwheat (Eriogonum annuum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Turbin lichen (Cladonia peziziformis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Morning Glory (Ipomoea cordatotriloba) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
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