Solitary plant of European seaheath (Frankenia pulverulenta) in area of sewage ponds near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
Shrubby water-primrose (Ludwigia octovalvis) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Fruit of pitcher plant (Sarracenia alata) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Flowers of Water Spider Orchid (Habenaria repens) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Spreading plant of water morning glory (water spinach, water convolvulus, Ipomoea aquatica) on a sewage pond near Irkhaya (Irkaya) Farms. Qatar, June 3, 2016
Flower spikes of Water Spider Orchid (Habenaria repens) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Pitcher plant (Sarracenia alata) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Neomarica gracilis (Walking Iris, Apostle Plant) near Lily Pond in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, May 2, 2009
Area of Fall River MA and Somerset from a plane from Atlanta GA to Boston MA. Highway No. 195 crosses Lee River, Taunton River, and South/North Watuppa Ponds (from bottom to top). Clearly visible are Brayton Point Power Plant on a tip of a small peninsula and Braga Bridge across Taunton River. July 9, 2004
A plant in Little Beach of Buzzards Bay, near Allen s Pond in south Dartmouth. Massachusetts, April 13, 2003.
Indian pipe plants with ripening fruits and club mosses in Simmons Mill Pond Management Area (entrance from John Dyer Road) south from Adamsville. Little Compton, Rhode Island, September 26, 2004.
Dying aquatic plant of brittle naiad (Najas marina) in Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Seed capsules of Calopogon tuberosus (grass pink orchid) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Membranous sheath with a flower(?) of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Close up of pea shaped fruits of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Filtration Plant at Little Quittacas Pond, near North Rochester. Massachusetts, June 12, 2004
Cluster of fruits of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Some blooming plant near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
Pine-woods Rose-gentian (Sabatia gentianoides) behind a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Close up of aquatic plant Brittle naiad (Najas marina) taken from a pond near the entrance of Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
Frozen pond and aquatic plants in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 8, 2010
Aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Close up of membranous sheath of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Close up of pea shaped fruits (drupelets) of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Brittle naiad aquatic plant (Najas marina) extracted from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
Brittle naiad aquatic plant (Najas marina) on dark background taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
Fruits and a flower of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Filtration Plant at Little Quittacas Pond, near North Rochester. Massachusetts, June 12, 2004
Dried aquatic plants of brittle naiad (Najas marina) on muddy bottom of Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Dense stand of aquatic plant Widgeon Grass (Ruppia maritima) in Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Some dry plants near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
Bluehearts (Buchnera americana) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Flower bracts of shrubby water-primrose (Ludwigia octovalvis) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Water Spider Orchid (Habenaria repens) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Close up of Water Spider Orchid (Habenaria repens) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
Brittle naiad aquatic plant (Najas marina) submerged in Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
Toothed leaves of brittle naiad aquatic plant (Najas marina) extracted from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
Toothed leaves of brittle naiad aquatic plant (Najas marina) with serrate edges taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
Brittle naiad aquatic plant (Najas marina) with roots taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
Toothed leaves of brittle naiad aquatic plant (Najas marina) on dark background taken from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
Spiny leaves of brittle naiad aquatic plant (Najas marina) from Abu Nakhla wastewater treatment ponds. Doha, Qatar, February 27, 2015
Dried aquatic plants of brittle naiad (Najas marina) in caked mud of Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Stand of aquatic plant Widgeon Grass (Ruppia maritima) in Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Close up of membranous sheath with coiled stalk (peduncle) bearing flowers and fruits of aquatic plant Widgeon Grass (Ruppia maritima) taken from Abu Nakhla jail ponds (sewage lagoons). Qatar, April 18, 2015
Habitat of aquatic plant Brittle naiad (Najas marina) in a pond near the entrance of Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
Aquatic plant Brittle naiad (Najas marina) taken from a pond near the entrance of Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
Pitcher plant (Sarracenia alata) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, June 23, 2018
Rosette of a plant of mustard family near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
Fresh leaves of a plant of mustard family near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
Floating oval leaves of an aquatic plant watershield (Brasenia schreberi, Nymphaeales: Cabombaceae) in a former cattle pond on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, April 1, 2020
Deformed plant in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
Amaranth plant in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
