![](../../pictures/archives/compress/2019/2553/jpeg/04t.jpg) Common duckweed (Lemna minor) together with giant duckweed (Spirodela polyrhiza) on a flooded trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2553/jpeg/01t.jpg) Common duckweed (Lemna minor) and giant duckweed (Spirodela polyrhiza) on a flooded trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2553/jpeg/05t.jpg) Common duckweed (Lemna minor) together with giant duckweed (Spirodela polyrhiza) floating on a flooded trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2553/jpeg/02t.jpg) Common duckweed (Lemna minor) on a flooded trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2597/jpeg/03t.jpg) Frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
![](../../pictures/archives/compress/2019/2597/jpeg/01t.jpg) Previously flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
![](../../pictures/archives/compress/2019/2615/jpeg/20t.jpg) Dry oaks in a formerly flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/16t.jpg) Recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/22t.jpg) Ditch in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/21t.jpg) A road in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/17t.jpg) Trees in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/23t.jpg) Trees in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/25t.jpg) Dead oaks in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/24t.jpg) Drying algae in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/20t.jpg) Dead forest in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2022/3199/jpeg/18t.jpg) Path across frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
![](../../pictures/archives/compress/2019/2463/jpeg/11t.jpg) Tiger sawgill mushrooms (Lentinus tigrinus) at the base of dead trees in a formerly flooded area near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2020/2740/jpeg/20t.jpg) Formerly flooded area overgrown by Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
![](../../pictures/archives/compress/2020/2680/jpeg/12t.jpg) Hog s trail in a frequintly flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
![](../../pictures/archives/compress/2019/2463/jpeg/19t.jpg) Blooming bush of eastern swamp privet (Forestiera acuminata var. vestita) in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2616/jpeg/18t.jpg) Texture of a hydnoid (tooth) fungus under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2019/2615/jpeg/15t.jpg) Texture of resupinate polypore mushroom under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2019/2616/jpeg/29t.jpg) Common tooth fungus on a recently dried oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2020/2730/jpeg/25t.jpg) Formerly flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
![](../../pictures/archives/compress/2018/2417/jpeg/13t.jpg) Flooded oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
![](../../pictures/archives/compress/2018/2417/jpeg/14t.jpg) Flooded road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
![](../../pictures/archives/compress/2019/2616/jpeg/30t.jpg) Close up of a common hydnoid fungus on a recently dried oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2022/3117/jpeg/02t.jpg) Frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2022
![](../../pictures/archives/compress/2020/2664/jpeg/07t.jpg) Recently flooded oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2020/2811/jpeg/20t.jpg) Formely flooded oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
![](../../pictures/archives/compress/2020/2639/jpeg/29t.jpg) Formerly flooded area with dry oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
![](../../pictures/archives/compress/2020/2663/jpeg/26t.jpg) Dry oaks in a formerly flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2019/2616/jpeg/26t.jpg) Texture of tooth fungus (Corticiae) Mycoaciella bispora under a fallen elm or oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2020/2740/jpeg/17t.jpg) Shoot of common greenbrier (Smilax rotundifolia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
![](../../pictures/archives/compress/2018/2417/jpeg/07t.jpg) Road in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
![](../../pictures/archives/compress/2022/3178/jpeg/18t.jpg) Path in a frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 19, 2022
![](../../pictures/archives/compress/2022/3164/jpeg/31t.jpg) Frequently flooded area with dead oak trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
![](../../pictures/archives/compress/2018/2417/jpeg/08t.jpg) Oak forest in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
![](../../pictures/archives/compress/2020/2824/jpeg/23t.jpg) 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
![](../../pictures/archives/compress/2020/2751/jpeg/20t.jpg) Dodder (Cuscuta) in formely flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
![](../../pictures/archives/compress/2021/2985/jpeg/23t.jpg) Texture of a cap of bolete mushroom Strobilomyces dryophilus under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
![](../../pictures/archives/compress/2019/2435/jpeg/16t.jpg) Texture of sunken rim-lichen (Lecanora oreinoides) on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
![](../../pictures/archives/compress/2021/3016/jpeg/16t.jpg) Masses of partridge pea (Cassia fasciculata) in formerly flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
![](../../pictures/archives/compress/2021/2995/jpeg/21t.jpg) Galls (hollow blisters) on leaves of common ragweed (Ambrosia artemisiifolia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
![](../../pictures/archives/compress/2021/3085/jpeg/22t.jpg) Bony beard lichen (Usnea trichodea) on an elm tree in frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
![](../../pictures/archives/compress/2021/2852/jpeg/23t.jpg) Fieldcap (Agrocybe) mushrooms in grass near a road in a previously flooded area of a dead oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
![](../../pictures/archives/compress/2019/2553/jpeg/09t.jpg) Vervain (Verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2553/jpeg/15t.jpg) Dayflower (Commelina) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2616/jpeg/14t.jpg) Texture of elder whitewash fungus (Xylodon sambuci, Hyphodontia sambuci) under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2019/2553/jpeg/10t.jpg) Tickseed sunflower (Bidens) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2553/jpeg/08t.jpg) Turnsole (Heliotropium indicum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2022/3194/jpeg/27t.jpg) Trailway through a frequently flooded area near Birch Creek Unit of Somerville Lake State Park. Texas, July 21, 2022
![](../../pictures/archives/compress/2019/2553/jpeg/14t.jpg) Coreopsis flower with a katydid nymph at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2553/jpeg/06t.jpg) Violet ruella (Ruellia caroliniensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2553/jpeg/07t.jpg) Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2022/3135/jpeg/09t.jpg) Spikelets of some small area in frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
![](../../pictures/archives/compress/2021/3026/jpeg/03t.jpg) Whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae in a frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
![](../../pictures/archives/compress/2019/2553/jpeg/11t.jpg) Flower of violet ruella (Ruellia caroliniensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2553/jpeg/13t.jpg) Blooming violet ruella (Ruellia caroliniensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2019/2553/jpeg/12t.jpg) Backlit flower of violet ruella (Ruellia caroliniensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
![](../../pictures/archives/compress/2021/2995/jpeg/22t.jpg) Galls (numerous pale green warts) on leaves of common ragweed (Ambrosia artemisiifolia) caused by eriophyid gall mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
![](../../pictures/archives/compress/2020/2840/jpeg/10t.jpg) Texture of corticioid fungus Hyphodontia on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
![](../../pictures/archives/compress/2020/2639/jpeg/32t.jpg) Texture of resupinate polypore mushroom on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
![](../../pictures/archives/compress/2019/2597/jpeg/07t.jpg) Overgrown trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
![](../../pictures/archives/compress/2020/2639/jpeg/03t.jpg) Texture of resupinate polypore fungus Ceriporia(?) under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
![](../../pictures/archives/compress/2022/3097/jpeg/03t.jpg) Close-up of common puffball mushrooms (Lycoperdon perlatum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 9, 2022
![](../../pictures/archives/compress/2022/3097/jpeg/01t.jpg) Common puffball mushrooms (Lycoperdon perlatum) on a path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 9, 2022
![](../../pictures/archives/compress/2022/3234/jpeg/19t.jpg) Texture of pore surface of bracket polypore mushrooms on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
![](../../pictures/archives/compress/2021/2852/jpeg/09t.jpg) Texture of corticioid (crust) fungus Dichostereum effuscatum on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
![](../../pictures/archives/compress/2021/3084/jpeg/24t.jpg) Common bonnet mushrooms (Mycena galericulata) in a juniper forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
![](../../pictures/archives/compress/2022/3097/jpeg/02t.jpg) Common puffball mushrooms (Lycoperdon perlatum) on buried wood at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 9, 2022
![](../../pictures/archives/compress/2021/2871/jpeg/25t.jpg) Common bladder-moss (Physcomitrium pyriforme) on exposed soil at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
![](../../pictures/archives/compress/2020/2638/jpeg/18t.jpg) Common tree dwelling moss Leucodon julaceous on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
![](../../pictures/archives/compress/2022/3106/jpeg/31t.jpg) Texture of resupinate polypore mushroom on a fallen juniper(?) tree in dry area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 13, 2022
![](../../pictures/archives/compress/2024/3468/jpeg/16t.jpg) Texture of resupinate polupore mushroom Trametes villosa on a fallen juniper at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2020/2639/jpeg/10t.jpg) Texture of netted crust fungus (Byssomerulius corium) on a fallen oak branch at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
![](../../pictures/archives/compress/2019/2597/jpeg/23t.jpg) Terrestrial moss Thelia lescurii(?) on a side of a trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
![](../../pictures/archives/compress/2020/2639/jpeg/21t.jpg) Texture of peppered rock-shield lichen Xanthoparmelia conspersa on a sandstone outcrop at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
![](../../pictures/archives/compress/2023/3312/jpeg/26t.jpg) Texture white resupinate polypore mushroom at the base of a dried juniper tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
![](../../pictures/archives/compress/2023/3314/jpeg/02t.jpg) Texture of brown corticioid (crust) fungus Dichostereum effuscatum on a fallen live oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
![](../../pictures/archives/compress/2021/3026/jpeg/10t.jpg) Texture of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
![](../../pictures/archives/compress/2021/2998/jpeg/09t.jpg) Leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
![](../../pictures/archives/compress/2021/2998/jpeg/18t.jpg) Leaves of common ragweed (Ambrosia artemisiifolia) damaged by eriophyid gall mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
![](../../pictures/archives/compress/2021/2998/jpeg/03t.jpg) Galls caused by eriophyid mites on leaves of common ragweed (Ambrosia artemisiifolia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
![](../../pictures/archives/compress/2021/3084/jpeg/25t.jpg) Side view of common bonnet mushrooms (Mycena galericulata) in a juniper forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
![](../../pictures/archives/compress/2021/2899/jpeg/02t.jpg) Formerly flooded field at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
![](../../pictures/archives/compress/2019/2616/jpeg/27t.jpg) Pigtail moss (Weissia controversa) and some seedlings on a sandy trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2019/2597/jpeg/14t.jpg) Hemisphaeric liverwort (Reboulia hemisphaerica) on bare soil of a trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/06t.jpg) The lake in mist at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/10t.jpg) Trees near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/12t.jpg) A tree near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2573/jpeg/05t.jpg) Lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/13t.jpg) Shore of the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2463/jpeg/05t.jpg) Silhouette of a tree near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2023/3313/jpeg/02t.jpg) Texture of mature resupinate polypore mushroom Xylodon flaviporus (Schizopora flavipora) on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
![](../../pictures/archives/compress/2021/3026/jpeg/15t.jpg) Texture of orange spots of rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
![](../../pictures/archives/compress/2021/2998/jpeg/10t.jpg) Distorted leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
![](../../pictures/archives/compress/2021/3085/jpeg/16t.jpg) Jelly fungus Tremella aurantia parasitizing common wood rotter mushroom Stereum at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
![](../../pictures/archives/compress/2021/2871/jpeg/12t.jpg) Texture of peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
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