Close up of flowers of marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
Close up of flowers of pink marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
Flower spike of some marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
Black hoverfly Cheilosia on a yellow flower of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
Close up of flowers of marsh orchid near Oredezh River in Siverskaya, 50 miles south from Saint Petersburg. Russia, June 15, 2014
Flower spikes of bright yellow flowers of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) popping from cyanobacterial crust of salt marsh. Southeast coastal area near Mesaieed, Qatar, January 29, 2010
Flowers of Marsh Labrador Tea (Rhododendron tomentosum) in Sosnovka Park. Saint Petersburg, Russia, May 26, 2014
Purple flowers of marsh fragrant orchid (Gymnadenia conopsea, Russian name Kokushnik) on roadside in Yuntolovsky Park. Saint Petersburg, Russia, July 7, 2017
Salt Marsh Moth caterpillar (Estigmene acrea) on Senecio(?) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
Flowers of some marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
Pyramid spike of bright yellow flowers of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) with mangrove in background. Salt marsh near Mesaieed, Qatar, January 29, 2010
Salt marsh moth caterpillars feeding on passion flower on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
Pyramid spikes of bright yellow flowers of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) with a fly. Salt marsh near Mesaieed, Qatar, January 29, 2010
Rush (Juncus rigidus) with flowers in a salt marsh near Fuwairit. Northern Qatar, April 17, 2015
Flower of Orchis maculata (Russian name Yatryshnik) in a marsh near Vetrenoye Lake south from Sosnovo, 45 miles north from Saint Petersburg. Russia, July 5, 2003
A buttonbush flower with a mosquito, from Marsh Overlook Trail in Barataria Preserve. South from New Orleans, Louisiana, June 10, 2006
Bright yellow flowers of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth). Salt marsh near Mesaieed, Qatar, March 18, 2011
Flower buds of Marsh Labrador Tea (Rhododendron tomentosum) in Sosnovka Park. Saint Petersburg, Russia, May 26, 2014
Skunk Cabbage flowers in a marsh near Upper Ledge road in Freetown/Fall River State Forest. Massachusetts, April 20, 2003.
Buttonbush flowers at sunrise, from Marsh Overlook Trail in Barataria Preserve. South from New Orleans, Louisiana, June 10, 2006
Yellow flower of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
Skunk Cabbage flowers in a marsh near Upper Ledge road in Freetown/Fall River State Forest. Massachusetts, April 20, 2003.
Skunk Cabbage flowers in a marsh near Upper Ledge road in Freetown/Fall River State Forest. Massachusetts, April 20, 2003.
Flower of Marsh Hedgenettle (Stachys palustris) on roadside in fields west from Deviatkino, 1 mile north from Saint Petersburg. Russia, July 26, 2012
Pink flowers of Marsh pea (Lathyrus palustris, Russian name China) near Zapliusye in Pskov Region south from Saint Petersburg, Russia, June 27, 2010
Flowers of Marsh Gentian (Gentiana pneumonanthe) in fields near Sablinka River in Sablino, 30 miles south from Saint Petersburg. Russia, July 29, 2012
Flower of a marsh plant in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
Pyramid flower spike of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth). Salt marsh near Mesaieed, Qatar, January 29, 2010
Yellow and maroon flower buds emerging from sand of a parasitic plant Cistanche tubulosa (desert hyacinth, dhanoon, Tartuth) appear in a desert after recent rains. Salt marsh near Mesaieed, Qatar, January 29, 2010
Flowers of marsh fleabane (Pluchea dioscoridis, Baccharis dioscorides, Conyza dioscorides) on banks of Abu Nakhlah ponds. Southern Qatar, March 5, 2014
Close up of flowers of marsh fleabane (Pluchea dioscoridis, Baccharis dioscorides, Conyza dioscorides) on banks of Abu Nakhlah ponds. Southern Qatar, March 5, 2014
Fluffy flowers of marsh fleabane (Pluchea dioscoridis, Baccharis dioscorides, Conyza dioscorides) on banks of Abu Nakhlah ponds. Southern Qatar, March 5, 2014
Flowers of Cistanche tubulosa at salt marshes near Umm Tays Island in Madinat Al Shamal area. Qatar, March 14, 2014
Flowers of marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
Flowers of Western marsh orchid Dactylorhiza majalis (baltica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
Flower spikes of Western marsh orchid Dactylorhiza majalis (baltica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
Flowers of pink marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
Flowers of some marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
Flowers of marsh orchid near Oredezh River in Siverskaya, 50 miles south from Saint Petersburg. Russia, June 15, 2014
Flower spike of marsh orchid near Oredezh River in Siverskaya, 50 miles south from Saint Petersburg. Russia, June 15, 2014
Fluffy flowers of marsh fleabane (Pluchea dioscoridis) taken from area north from Al Khor Hospital. Qatar, January 30, 2015
Flower of marsh lousewort (red-rattle, Pedicularis palustris, Russian name mytnik) on southern side of Monastyrsky Island, on Valaam Island. Karelia Region, Russia, July 23, 2015
Yellow flowers of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) on Angliyskaya Alley in Upper Garden. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, May 11, 2016
Pink flower of a marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
Purple flower of a marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
Pink flowers of marsh orchids in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
Flower of a marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
Blue flowers of a marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
Purple flowers of a marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
Flower spike of marsh fragrant orchid (Gymnadenia conopsea, Russian name Kokushnik) on roadside in Yuntolovsky Park. Saint Petersburg, Russia, July 7, 2017
Flowers of marsh fragrant orchid (Gymnadenia conopsea, Russian name Kokushnik) on roadside in Yuntolovsky Park. Saint Petersburg, Russia, July 7, 2017
Close up of flowers of marsh fragrant orchid (Gymnadenia conopsea, Russian name Kokushnik) on roadside in Yuntolovsky Park. Saint Petersburg, Russia, July 7, 2017
Yellow flower of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) with a black hoverfly Cheilosia in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
Marsh orchid flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
Flower of a marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
Flower spike of a marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 20, 2017
Flower spike of a marsh orchid in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
Flowers of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) in Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
Flowers of marsh fleabane (Pluchea odorata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
Flowers of salt-marsh fleabane (Pluchea odorata, Pluchea purpurescens) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
Flowers of salt-marsh fleabane (Pluchea odorata) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
Yellow flowers of marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) in a ditch of Zapadnaya Alley in Oranienbaum. Lomonosov, west from Saint Petersburg, Russia, May 19, 2021
Flowers of salt-marsh fleabane (Pluchea odorata, Pluchea purpurescens) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
Flower buds of salt-marsh fleabane (Pluchea odorata) in Lick Creek Park. College Station, Texas, September 13, 2023
White flower buds of salt-marsh fleabane (Pluchea odorata) in Lick Creek Park. College Station, Texas, September 13, 2023
Flowers of salt-marsh fleabane (Pluchea odorata) 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
Dollarweed or Marsh Pennywort (genus Hydrocotyle) in 40 Acre Lake from Spillway Trail, most likely Many-flower Marshpennywort (Hydrocotyle umbellata). It forms a dense, low-growing carpet near the water s edge or in shallow mud. Brazos Bend State Park, Needville, Texas, December 25, 2025
A perfectly symmetrical winter basal rosette of a yellowcress (Rorippa species, likely Southern marsh yellowcress, Rorippa teres) blooming on the exposed sandy shore of Lake Somerville. This native wetland pioneer is a member of the mustard family (Brassicaceae). During the cooler months, it forms this flat, circular spray of deeply cut (pinnatifid) leaves to anchor firmly in the shifting sand while maximizing sun exposure and avoiding cold winds. At the very center, the plant has just begun to bolt, producing the tiny, four-petaled yellow flowers characteristic of its family. Texas, February 28, 2026
