![](../../pictures/archives/compress/2024/3620/jpeg/08t.jpg) Stickleaf (blazing star) Mentzelia texana(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/10t.jpg) Flower of stickleaf (blazing star) Mentzelia texana(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/11t.jpg) Yellow flowers of stickleaf (blazing star) Mentzelia texana(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/16t.jpg) Blooming stickleaf (blazing star) Mentzelia texana(?) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3624/jpeg/03t.jpg) Stickleaf (blazing star) Mentzelia texana(?) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
![](../../pictures/archives/compress/2024/3624/jpeg/02t.jpg) Yellow flower of stickleaf (blazing star) Mentzelia texana(?) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
![](../../pictures/archives/compress/2024/3624/jpeg/04t.jpg) Close-up of a flower and fruits of stickleaf (blazing star) Mentzelia texana(?) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/17t.jpg) Flowers of stickleaf (blazing star) Mentzelia texana(?) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/15t.jpg) Stickleaf (blazing star) Mentzelia texana(?) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3624/jpeg/18t.jpg) Stickleaf (blazing star) Mentzelia texana(?) 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
![](../../pictures/archives/compress/2024/3624/jpeg/19t.jpg) Stickleaf (blazing star) Mentzelia texana(?) with a crab spider 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
![](../../pictures/archives/compress/2024/3613/jpeg/02t.jpg) Flower of blazing star (Liatris) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/02t.jpg) Blooming corn salad (Valerianella) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2021/2895/jpeg/11t.jpg) Blooming showy blue star (Amsonia illustris) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
![](../../pictures/archives/compress/2022/3135/jpeg/24t.jpg) Blooming showy blue star (Amsonia illustris) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
![](../../pictures/archives/compress/2024/3501/jpeg/07t.jpg) Blooming sow thistle (Sonchus oleraceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
![](../../pictures/archives/compress/2024/3501/jpeg/26t.jpg) Blooming small skullcap (Scutellaria parvula) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
![](../../pictures/archives/compress/2023/3371/jpeg/01t.jpg) Toad flax (Linaria texana) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
![](../../pictures/archives/compress/2021/3026/jpeg/17t.jpg) Blooming whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
![](../../pictures/archives/compress/2020/2824/jpeg/17t.jpg) Sand mounds of Texas leaf cutting ants Atta texana at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
![](../../pictures/archives/compress/2024/3620/jpeg/01t.jpg) Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/03t.jpg) Path of the trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3481/jpeg/14t.jpg) Basal leaves of star thistle (Centaurea)(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
![](../../pictures/archives/compress/2020/2663/jpeg/06t.jpg) Blooming blackberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2021/2998/jpeg/21t.jpg) Blooming buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
![](../../pictures/archives/compress/2019/2464/jpeg/10t.jpg) Blooming blackberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2022/3178/jpeg/19t.jpg) Blooming buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 19, 2022
![](../../pictures/archives/compress/2021/2998/jpeg/19t.jpg) Blooming buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
![](../../pictures/archives/compress/2024/3620/jpeg/07t.jpg) Cattle pond on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/04t.jpg) Bushy greenery on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2020/2663/jpeg/16t.jpg) Some blooming sedge (Carex) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2020/2751/jpeg/14t.jpg) Blooming horseweed (Conyza canadensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
![](../../pictures/archives/compress/2020/2730/jpeg/13t.jpg) Blooming beebalm (Monarda punctata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
![](../../pictures/archives/compress/2021/2995/jpeg/24t.jpg) Blooming slender vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
![](../../pictures/archives/compress/2023/3406/jpeg/31t.jpg) Blooming prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
![](../../pictures/archives/compress/2023/3406/jpeg/12t.jpg) Blooming pony beebalm (Monarda pectinata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
![](../../pictures/archives/compress/2021/3009/jpeg/15t.jpg) Blooming buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
![](../../pictures/archives/compress/2022/3124/jpeg/31t.jpg) Blooming sedge (Carex) in wet area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
![](../../pictures/archives/compress/2024/3481/jpeg/13t.jpg) Winter rosette of leaves of star thistle (Centaurea)(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
![](../../pictures/archives/compress/2023/3406/jpeg/28t.jpg) Blooming Japanese hedge-parsley (Torilis japonica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
![](../../pictures/archives/compress/2020/2679/jpeg/10t.jpg) Blooming woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
![](../../pictures/archives/compress/2021/2995/jpeg/07t.jpg) Blooming morning glory (Ipomoea cordatotriloba) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
![](../../pictures/archives/compress/2021/2998/jpeg/28t.jpg) Blooming morning glory (Ipomoea cordatotriloba) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
![](../../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/2020/2664/jpeg/17t.jpg) Blooming Baby blue eyes (Nemophila phacelioides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2021/3016/jpeg/12t.jpg) Blooming whitestar morning-glory (Ipomoea lacunosa) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
![](../../pictures/archives/compress/2021/2885/jpeg/09t.jpg) Blooming eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 2021
![](../../pictures/archives/compress/2020/2664/jpeg/06t.jpg) Blooming eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2020/2663/jpeg/17t.jpg) Blooming eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2024/3620/jpeg/12t.jpg) Purple bindweed (Ipomoea cordatotriloba) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2021/2899/jpeg/26t.jpg) Blooming showy blue star (Amsonia illustris) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
![](../../pictures/archives/compress/2020/2664/jpeg/05t.jpg) Bush of blooming eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2020/2664/jpeg/22t.jpg) Blooming sand scorpianweed (waterleaf, blue curls, Phacelia patuliflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2024/3620/jpeg/05t.jpg) Beard lichen (Usnea) on small elm trees on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3613/jpeg/11t.jpg) Powdered ruffle lichen (Parmotrema hypotropum) from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/13t.jpg) Mowed path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/11t.jpg) Spiderwort (Tradescantia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3468/jpeg/22t.jpg) Old cattle pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../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/2020/2663/jpeg/05t.jpg) Blooming Carolina anemone (Anemone caroliniana) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2024/3468/jpeg/13t.jpg) Leaves of bluebonnet (lupinus) in dew at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/14t.jpg) Green grassy path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3468/jpeg/21t.jpg) Standing dead oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2021/3021/jpeg/19t.jpg) Blooming beaksedge (Rhynchospora corniculata) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
![](../../pictures/archives/compress/2021/2895/jpeg/03t.jpg) Yellow star-grass (Hypoxis hirsuta) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
![](../../pictures/archives/compress/2021/2895/jpeg/08t.jpg) Showy blue star (Amsonia illustris) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
![](../../pictures/archives/compress/2022/3135/jpeg/17t.jpg) Showy blue star (Amsonia illustris) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
![](../../pictures/archives/compress/2022/3124/jpeg/18t.jpg) Yellow star-grass (Hypoxis hirsuta) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
![](../../pictures/archives/compress/2020/2663/jpeg/07t.jpg) Yellow star-grass (Hypoxis hirsuta) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
![](../../pictures/archives/compress/2024/3620/jpeg/06t.jpg) Beard lichen (Usnea) on branches of elm trees in a low lying area on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/10t.jpg) Leaves of a plant of carrot family at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3468/jpeg/30t.jpg) Various seedlings on a path in shade collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/01t.jpg) Flowers of corn salad (Valerianella) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/20t.jpg) Salt marsh moth caterpillar at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/05t.jpg) Woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/06t.jpg) False dandelion (Pyrrhopappus carolinianus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2022/3135/jpeg/23t.jpg) Flowers of showy blue star (Amsonia illustris) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
![](../../pictures/archives/compress/2021/2895/jpeg/09t.jpg) Flowers of showy blue star (Amsonia illustris) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
![](../../pictures/archives/compress/2021/2895/jpeg/04t.jpg) Flowers of yellow star-grass (Hypoxis hirsuta) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
![](../../pictures/archives/compress/2024/3511/jpeg/08t.jpg) Flower of false dandelion (Pyrrhopappus carolinianus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/12t.jpg) White prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/03t.jpg) Crown tickseed flower (Coreopsis nuecensoides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2021/3022/jpeg/24t.jpg) Blooming bladderwort (Utricularia gibba) on wet mud of Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
![](../../pictures/archives/compress/2022/3135/jpeg/03t.jpg) Katydid nymph of yellow star-grass (Hypoxis hirsuta) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
![](../../pictures/archives/compress/2022/3135/jpeg/25t.jpg) Cluster of flowers of showy blue star (Amsonia illustris) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
![](../../pictures/archives/compress/2024/3468/jpeg/18t.jpg) Winter rosette of woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2024/3468/jpeg/26t.jpg) Close-up of winter stalkball mushrooms (Tulostoma fimbriatum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/15t.jpg) Whitish phenotype of false dandelion (Pyrrhopappus carolinianus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/16t.jpg) Almost white phenotype of false dandelion (Pyrrhopappus carolinianus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/04t.jpg) Seed head of false dandelion (Pyrrhopappus carolinianus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3511/jpeg/09t.jpg) Giant ragweed (Ambrosia trifida) with half-white leaves at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2024/3468/jpeg/35t.jpg) Spores of winter stalkball mushrooms (Tulostoma fimbriatum) collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2024/3468/jpeg/33t.jpg) Hyphae of peat mold fungus (Chromelosporium fulvum) collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2024/3468/jpeg/27t.jpg) Winter stalkball mushrooms (Tulostoma fimbriatum) on black background at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2024/3468/jpeg/23t.jpg) Winter rosette of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2024/3468/jpeg/29t.jpg) Cross section of winter stalkball mushrooms (Tulostoma fimbriatum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2024/3613/jpeg/06t.jpg) Ramalina lichen on a twig when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 2024
![](../../pictures/archives/compress/2024/3613/jpeg/07t.jpg) Fruticose lichens on an elm twig when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 2024
![](../../pictures/archives/compress/2024/3468/jpeg/25t.jpg) Winter stalkball mushrooms (Tulostoma fimbriatum) in grass on a mowed path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
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