 Black medick (Medicago lupulina) on a lawn in Wolf Pen Creek Park. College Station, Texas, March 31, 2021
 Masses of black medick (Medicago lupulina) at the base of a palm tree on Al Shabi Street in Onaiza area. Doha, Qatar, April 14, 2016
 Flowers of black medick (Medicago lupulina) at the base of a palm tree on Al Shabi Street in Onaiza area. Doha, Qatar, April 14, 2016
 Black medick weeds (Medicago lupulina) taken from a base of a palm tree on Al Shabi Street in Onaiza area. Doha, Qatar, April 13, 2016
 Blooming black medick (Medicago lupulina) growing at the base of a palm tree on Al Shabi Street in Onaiza area. Doha, Qatar, April 14, 2016
 Black medick weeds (Medicago lupulina) growing at the base of a palm tree on Al Shabi Street in Onaiza area. Doha, Qatar, April 14, 2016
 Black medick (Medicago lupulina) with flowers and fruits taken from a base of a palm tree on Al Shabi Street in Onaiza area. Doha, Qatar, April 13, 2016
 Seeds of black medick (Medicago lupulina) and yellow sweet clover (Melilotus indicus) taken from the base of a palm tree on Al Shabi Street in Onaiza area. Doha, Qatar, April 14, 2016
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) near Dukhan Road. Western Qatar, March 1, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) with spherical fruits near Dukhan Road. Western Qatar, March 1, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) and a torpedo seed of Erodium near Dukhan Road. Western Qatar, March 1, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) and a stray torpedo seed of Erodium near Dukhan Road. Western Qatar, March 1, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) and a torpedo seed of Erodium (at the bottom) near Dukhan Road. Western Qatar, March 1, 2014
 Hop sedge (Carex lupulina) in Lick Creek Park. College Station, Texas, June 13, 2022
 Close-up of hop sedge (Carex lupulina) in Lick Creek Park. College Station, Texas, June 13, 2022
 Hop sedge (Carex lupulina) on a clearing over a pipeline in Lick Creek Park. College Station, Texas, June 13, 2022
 Medicago(?) with purple flowers on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 22, 2021
 Black and red bug on frostweed on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020
 Black Eyed Susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 11, 2020
 Mushrooms Clitocybula abundans on black background in Lick Creek Park. College Station, Texas, May 22, 2020
 Fall colors of black locust(?) in Lick Creek Park. College Station, Texas, November 10, 2020
 Black eyed susan flower (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 4, 2020
 Black eyed susan and mock bishop s weed in Lick Creek Park. College Station, Texas, May 11, 2020
 Black crust of Hypoxylon fungus on Mexican plum in Lick Creek Park. College Station, Texas, December 11, 2020
 Black Eyed Susan (Rudbeckia hirta) on Post Oak Trail in Lick Creek Park. College Station, Texas, May 11, 2020
 Blackening waxcap mushrooms (Hygrocybe conica) on black background in Lick Creek Park. College Station, Texas, May 26, 2020
 Bur clover (Medicago polymorpha) with white spots of powdery mildew fungus Erysiphe trifoliorum(?) on pipeline right of way in Lick Creek Park. College Station, Texas, April 18, 2022
 Leaves of bur clover (Medicago polymorpha) with white spots of powdery mildew fungus Erysiphe trifoliorum(?) in Lick Creek Park. College Station, Texas, April 18, 2022
 Black beetle on a bud of elm tree in Lick Creek Park. College Station, Texas, March 16, 2023
 Catkins of black willow in Lick Creek Park. College Station, Texas, March 10, 2023
 Black berries of pokeweed (Phytolacca americana) on a sewage line right of way in Lick Creek Park. College Station, Texas, July 18, 2020
 Miniature woolly inkcap mushrooms (Coprinopsis radiata) on black background in Lick Creek Park. College Station, Texas, May 27, 2020
 Black crust fungus Biscogniauxia repanda on a fallen limb in Lick Creek Park. College Station, Texas, February 13, 2020
 Black crust fungus Biscogniauxia repanda on a dry Yaupon holly(?) in Lick Creek Park. College Station, Texas, February 13, 2020
 Flowers of Black Eyed Susan (Rudbeckia hirta) on Post Oak Trail in Lick Creek Park. College Station, Texas, May 11, 2020
 Young leaves of black cherry in Lick Creek Park. College Station, Texas, March 16, 2023
 Young leaves of black cherry in Lick Creek Park. College Station, Texas, March 10, 2023
 Black crust fungus Biscogniauxia repanda on a fallen tree branch in Lick Creek Park. College Station, Texas, February 13, 2020
 Close-up of black crust fungus Biscogniauxia repanda on a fallen tree branch in Lick Creek Park. College Station, Texas, February 13, 2020
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) in sand near Trainah in southern Qatar, February 14, 2014
 Leaves of Canadian black snakeroot (Sanicula canadensis) in Lick Creek Park. College Station, Texas, March 31, 2024
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) with seeds in sand near Trainah in southern Qatar, February 14, 2014
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) with seeds near a road to Sawda Natheel in southern Qatar, February 11, 2014
 Striped ramalina lichen (Ramalina montagnei) on a thorn of black locust in Lick Creek Park. College Station, Texas, January 13, 2020
 Tuft of striped ramalina lichen (Ramalina montagnei) growing on thorns of black locust in Lick Creek Park. College Station, Texas, January 13, 2020
 Fan-shaped caps bruising black when cut or touched of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021
 Reddish webcap mushrooms Cortinarius bolaris(?) on black background on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, March 9, 2024
 Porcini mushrooms (Boletus sect. Boletus, Boletus edulis group) on black background in Lick Creek Park. College Station, Texas, July 5, 2020
 Brown velvety corticioid fungus Dichostereum effuscatum growing over some old black crust fungus on underside of a fallen water oak in Lick Creek Park. College Station, Texas, March 16, 2023
 Dry acorns under an oak in Lick Creek Park. College Station, Texas, March 5, 2020
 Brown cat on a tree near the creek in Wolf Pen Creek Park. College Station, Texas, March 30, 2020
 Leaves of yaupon holly (Ilex vomitoria) with black spots caused by rust like fungus on black background in Hensel Park. College Station, Texas, June 5, 2019
 Shoot of blackberry in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Sow thistle-like plant in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Meadow mushrooms (Agaricus campestris) in Bee Creek Park. College Station, Texas, March 27, 2020
 Canada garlic (Allium canadense) in Bee Creek Park. College Station, Texas, March 4, 2020
 Mediterranean lineseed (Bellardia trixago) in Bee Creek Park. College Station, Texas, March 27, 2020
 Young leaves of live oak in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Black duck on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Bur-clover (Medicago polymorpha) taken from a lawn on Texas Avenue. College Station, Texas, April 8, 2019
 Close up of bur-clover (Medicago polymorpha) taken from a lawn on Texas Avenue. College Station, Texas, April 8, 2019
 Mushrooms Chlorophyllum hortense(?) on a lawn in Wolf Pen Creek Park. College Station, Texas, March 30, 2020
 View of wildflowers and a shopping mall in Wolf Pen Creek Park. College Station, Texas, March 30, 2020
 Field madder (spurwort, Sherardia arvensis) in Bee Creek Park. College Station, Texas, March 4, 2020
 Mediterranean lineseed (Bellardia trixago) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Hemisphaeric liverwort (Reboulia hemisphaerica)(?) in Lick Creek Park. College Station, Texas, March 5, 2020
 Dissected meadow mushrooms (Agaricus campestris) in Bee Creek Park. College Station, Texas, March 27, 2020
 Blooming Huisache (Acacia farnesiana) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Underside of meadow mushrooms (Agaricus campestris) in Bee Creek Park. College Station, Texas, March 27, 2020
 Showy evening primrose (Oenothera speciosa) in Bee Creek Park. College Station, Texas, March 27, 2020
 Coral honeysuckle (Lonicera sempervirens) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Basal rosette of leaves of some plant in Lick Creek Park. College Station, Texas, March 15, 2020
 Fibrecap (Inocybe) mushrooms on a lawn in Wolf Pen Creek Park. College Station, Texas, March 30, 2020
 Soft resupinate polypore mushroom of a rotten oak log in Lick Creek Park. College Station, Texas, March 15, 2020
 Flowers of Mediterranean lineseed (Bellardia trixago) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Red flowers of coral honeysuckle (Lonicera sempervirens) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Shoot of eastern cottonwood (Populus deltoides) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Bark of lacebark elm tree (Ulmus parvifolia) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Fresh red leaves of blackjack oak (Quercus marilandica, black oak group) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Young leaves of blackjack oak (Quercus marilandica, black oak group) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Dissected soft resupinate polypore mushroom of a rotten oak log in Lick Creek Park. College Station, Texas, March 15, 2020
 Pattern of soft resupinate polypore mushroom of a rotten oak log in Lick Creek Park. College Station, Texas, March 15, 2020
 Texture of soft resupinate polypore mushroom of a rotten oak log in Lick Creek Park. College Station, Texas, March 15, 2020
 Pale brown resupinate polypore mushroom of a rotten oak log in Lick Creek Park. College Station, Texas, March 15, 2020
 Young shoots of cudweed (Gnaphalium) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 15, 2020
 Young leaves on eastern cottonwood (Populus deltoides) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Cross section of a resupinate polypore mushroom of a rotten oak log in Lick Creek Park. College Station, Texas, March 15, 2020
 Guttation of soft resupinate polypore mushroom of a rotten oak log in Lick Creek Park. College Station, Texas, March 15, 2020
 Side view of mushrooms Chlorophyllum hortense(?) on a lawn in Wolf Pen Creek Park. College Station, Texas, March 30, 2020
 Carolina ponysfoot (Dichondra carolinensis) on a recent cutting in Lick Creek Park. College Station, Texas, March 15, 2020
 Flowers of vetch (Vicia)(?) with a dotted black skipper butterfy (Hesperiidae) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Tiger sawgill mushrooms (Lentinus tigrinus) on a recent cutting in Lick Creek Park. College Station, Texas, March 15, 2020
 Close-up of an edge of soft resupinate polypore mushroom of a rotten oak log in Lick Creek Park. College Station, Texas, March 15, 2020
 Mosquito on a resupinate polypore mushroom of a rotten oak log on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 15, 2020
 Texture of resupinate polypore mushroom of a rotten oak log on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 15, 2020
 Basal rosette of leaves of some dandelion-like(?) plant on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 15, 2020
 Black swallowtail butterfly in Lick Creek Park. College Station, Texas, May 13, 2010
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