 Water fern (Azolla) and duckweed at sunrise in a pond in Bee Creek Park near Texas Avenue. College Station, Texas, November 11, 2024
 Close-up of water fern (Azolla) and duckweed in a pond in Bee Creek Park near Texas Avenue. College Station, Texas, November 11, 2024
 Water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight taken from a pond in Bee Creek Park. College Station, Texas, November 11, 2024
 Close-up of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight from a pond in Bee Creek Park. College Station, Texas, November 12, 2024
 Close-up of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight from a pond in Bee Creek Park. College Station, Texas, November 12, 2024
 Texture of water fern (Azolla) and duckweed when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a pond in Bee Creek Park. College Station, Texas, November 12, 2024
 Carpet of water fern (Azolla) and duckweed when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a pond in Bee Creek Park. College Station, Texas, November 12, 2024
 Fluorescence of water fern (Azolla) and duckweed in ultraviolet light in Bee Creek Park. College Station, Texas, November 11, 2024
 Texture of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Bee Creek Park. College Station, Texas, November 11, 2024
 Green carpet of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Bee Creek Park. College Station, Texas, November 11, 2024
 Water fern (Azolla) and duckweed when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Bee Creek Park. College Station, Texas, November 11, 2024
 Close-up of water fern (Azolla) and duckweed when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Bee Creek Park. College Station, Texas, November 11, 2024
 Duckweed and red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Red water fern (Azolla filiculoides) together with duckweed on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Red water fern (Azolla filiculoides) overgrowing duckweed on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Orange-striped ribbonsnake on a carpet of red water fern (Azolla filiculoides) and duckweed on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Shallow water of Flag Pond covered by red water fern (Azolla) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Shoot of water-primrose (Ludwigia) and red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Shoot of water-primrose (Ludwigia) and red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Mat of red water fern (Azolla) taken from Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Red water fern (Azolla filiculoides(?)) in Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Texture of red water fern (Azolla filiculoides(?)) in Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Close-up of red water fern (Azolla filiculoides(?)) in Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Red water fern (Azolla) and other aquatic plants in Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Tiny leaves of red water fern (Azolla) taken from Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Close-up of red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Growth of red water fern (Azolla filiculoides) overgrowing other plants on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Orange-striped ribbonsnake on a carpet of red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Head of orange-striped ribbonsnake on red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Close-up of head of orange-striped ribbonsnake on red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Orange-striped ribbonsnake with some parasitic insects on a carpet of red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Azolla water fern on muddy edge of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, November 24, 2021
 Close-up of Azolla (water fern) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, October 8, 2021
 Azolla (water fern) at the edge of a lake on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, October 8, 2021
 Azolla water fern on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Close-up of Azolla water fern on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Duckweed and yellow water-weed (Ludwigia peploides) in Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 26, 2020
 Sparse-lobed grape fern (Botrychium biternatum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight taken from Lick Creek Park. College Station, Texas, November 6, 2024
 Aquatic fern Salvinia molesta with duckweed floating in shallow water on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Sporangia of sparse-lobed grape fern (Botrychium biternatum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight taken from Lick Creek Park. College Station, Texas, November 6, 2024
 Aquatic fern Giant salvinia (Salvinia molesta) and duckweed in shallow water of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, March 29, 2020
 Crustose lichens on bark of a fallen water oak in ultraviolet light on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 15, 2024
 Resurrection fern on a fallen oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, January 29, 2024
 Sparse-lobed grape fern (Botrychium biternatum) in Lick Creek Park. College Station, Texas, January 25, 2024
 Fish Pond Water Fountain on campus of Texas A and M University in fog. College Station, Texas, November 30, 2007
 Fish Pond Water Fountain on campus of Texas A and M University. College Station, Texas, November 15, 2010
 Sporangia of sparse-lobed grape fern (Botrychium biternatum) in Lick Creek Park. College Station, Texas, January 25, 2024
 Sparse-lobed grape fern (Botrychium biternatum) with "bunch of grapes" sporangia in Lick Creek Park. College Station, Texas, January 25, 2024
 Resurrection fern and a tree dwelling moss Leucodon julaceous on a fallen oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, January 29, 2024
 Streams of water in a creek after heavy rains in Lick Creek Park. College Station, Texas, January 25, 2024
 High water level in a creek after a heavy rain in Lick Creek Park. College Station, Texas, February 11, 2024
 Water stream of a small creek after a heavy rain in Lick Creek Park. College Station, Texas, February 11, 2024
 Water stream after a heavy rain of a small creek in Lick Creek Park. College Station, Texas, January 5, 2024
 Water pool on Racoon Run Trail after a rain in Lick Creek Park. College Station, Texas, April 29, 2024
 Mushrooms Gymnopus luxurians(?) under water oaks in Lick Creek Park. College Station, Texas, February 2, 2024
 Water on Racoon Run Trail after a heavy rain in Lick Creek Park. College Station, Texas, February 11, 2024
 Gnarl of water oak in Lick Creek Park. College Station, Texas, November 30, 2012
 Bark of water oak in Lick Creek Park. College Station, Texas, November 30, 2012
 Water stream and rocks after a heavy rain near a pipe bridge across a creek in Lick Creek Park. College Station, Texas, January 5, 2024
 Underside of a mushroom Gymnopus luxurians(?) under water oaks in Lick Creek Park. College Station, Texas, February 2, 2024
 Texture of water oak trunk in Lick Creek Park. College Station, Texas, November 30, 2012
 Some crust fungus with water drops in Bee Creek Park. College Station, Texas, November 1, 2017
 Cap of a mushroom Gymnopus luxurians(?) under tall water oaks and yaupon in Lick Creek Park. College Station, Texas, February 2, 2024
 Dusty tan corticioid fungus on a log in wet area under tall water oaks in Lick Creek Park. College Station, Texas, April 4, 2024
 Cross section of a mushroom Gymnopus luxurians(?) under water oaks in Lick Creek Park. College Station, Texas, February 2, 2024
 Wood blewit mushrooms (Lepista nuda) under water oaks in Lick Creek Park. College Station, Texas, January 25, 2024
 Guttation (secretion of water drops) of resupinate polypore mushroom of an oak stump in Lick Creek Park. College Station, Texas, August 17, 2024
 Sewage line right of way near a water treatment plant in fog in Lick Creek Park. College Station, Texas, November 5, 2007
 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
 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
 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
 Water primrose (Ludwigia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
 Water primrose (Ludwigia) with flower buds both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
 Forest near water treatment plant from Racoon Run Trail in Lick Creek Park. College Station, Texas, November 17, 2010
 Sewage line right of way near a water treatment plant in mist in Lick Creek Park. College Station, Texas, November 5, 2007
 Water droplets (guttation) on young polypore mushrooms Inonotus cuticularis(?) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, May 13, 2024
 Sewage line right of way in direction of water treatment plant in Lick Creek Park at rain. College Station, Texas, November 18, 2007
 Water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on a sewage pond near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Shoots of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on a sewage pond near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Leaves of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on a sewage pond near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Seedlings of redseed plantain(?) on gravel soil over a sewage pipeline west from a water treatment plant in Lick Creek Park. College Station, Texas, February 5, 2024
 Dissected shaggy bracket polypore mushroom Inonotus hispidus on a water oak in Lick Creek Park. College Station, Texas, November 26, 2019
 Mature shaggy bracket polypore mushroom Inonotus hispidus on a water oak in Lick Creek Park. College Station, Texas, November 26, 2019
 Spreading plant of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on a sewage pond near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
 Cotyledons (seed leaves) of seedlings collected and deposited by rainwater on Raccoon Run Trail west from a water treatment plant in Lick Creek Park. College Station, Texas, January 18, 2024
 Seedling of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) near a water treatment plant in Lick Creek Park. College Station, Texas, February 13, 2024
 Crosier (a coiled young fern frond) of bracken fern (Pteridium aquilinum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Crosier (a coiled young fern frond) of bracken fern (Pteridium aquilinum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Brookweed (water cabbage, Samolus valerandi) on wet soil with seeping water on a shore of Flag Pond at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Water morning glory (water spinach, water convolvulus, Ipomoea aquatica) near a water leakage site near sand processing plant near Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Seedlings of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) on Raccoon Run Trail west from a water treatment plant in Lick Creek Park. College Station, Texas, February 19, 2024
 Seedlings of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) on Raccoon Run Trail west from a water treatment plant in Lick Creek Park. College Station, Texas, February 5, 2024
 Chloroplasts in a leaf of a seedling of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) west from a water treatment plant, collected in Lick Creek Park. College Station, Texas, January 29, 2024
 White flowers of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) near a water leakage site near sand processing plant near Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Some grey-brown water repelling basal leaves on a lawn on Lick Creek Greenway Trail. College Station, Texas, February 16, 2024
 Chloroplasts (at low magnification) in a leaf of a seedling of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) west from a water treatment plant, collected in Lick Creek Park. College Station, Texas, January 29, 2024
 Close-up of seedlings of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) on a road over a sewage pipeline west from a water treatment plant in Lick Creek Park. College Station, Texas, February 5, 2024
 Cluster of seedlings of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) on a road over a sewage pipeline west from a water treatment plant in Lick Creek Park. College Station, Texas, February 5, 2024
 Stomata in epidermis of a leaf of a seedling of a dicotyledon plant narrowleaf marsh elder (Iva angustifolia) west from a water treatment plant, collected in Lick Creek Park. College Station, Texas, January 29, 2024
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