![](../../pictures/archives/compress/2018/2233/jpeg/14t.jpg) Flowers of blue field madder (spurwort, Sherardia arvensis) in Wolf Pen Creek Park. College Station, Texas, March 4, 2018
![](../../pictures/archives/compress/2018/2233/jpeg/21t.jpg) Small blue flowers of field madder (spurwort, Sherardia arvensis) in Wolf Pen Creek Park. College Station, Texas, March 4, 2018
![](../../pictures/archives/compress/2009/729/jpeg/11t.jpg) Tiny flowers of blue field madder (spurwort, Sherardia arvensis) on Racoon Run Trail in Lick Creek Park. College Station, Texas, April 2, 2009
![](../../pictures/archives/compress/2009/731/jpeg/24t.jpg) Morning freeze on field madder (spurwort, Sherardia arvensis) on a lawn in TAMU Holistic Garden in Texas A and M University. College Station, Texas, April 7, 2009
![](../../pictures/archives/compress/2019/2474/jpeg/20t.jpg) Blue field madder (spurwort, Sherardia arvensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
![](../../pictures/archives/compress/2009/699/jpeg/05t.jpg) Tiny flowers of blue field madder (spurwort, Sherardia arvensis) on a lawn in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
![](../../pictures/archives/compress/2019/2474/jpeg/08t.jpg) Houston Meadow-rue (Thalictrum texanum) with field madder near the border in Washington Cemetery. Washington, Texas, March 27, 2019
![](../../pictures/archives/compress/2013/1317/jpeg/16t.jpg) Morning freeze on field madder of Park Hudson Trail. Bryan, Texas, December 23, 2013
![](../../pictures/archives/compress/2013/1317/jpeg/20t.jpg) Morning freeze on blooming field madder of Park Hudson Trail. Bryan, Texas, December 23, 2013
![](../../pictures/archives/compress/2020/2677/jpeg/08t.jpg) Field of Indian paintbrush (Castilleja indivisa) and Mediterranean lineseed (Bellardia trixago) in Wolf Pen Creek Park. College Station, Texas, March 30, 2020
![](../../pictures/archives/compress/2015/1628/jpeg/05t.jpg) Field scabious (Knautia arvensis) on a field near Oredezh River near Kezevo. Siverskaya south from Saint Petersburg, Russia, July 20, 2015
![](../../pictures/archives/compress/2020/2686/jpeg/12t.jpg) Fibrecap (Inocybe) mushrooms on a field behind a playground in Bee Creek Park. College Station, Texas, April 12, 2020
![](../../pictures/archives/compress/2020/2686/jpeg/13t.jpg) Small puffball mushrooms Bovista pusilla on a field in Bee Creek Park. College Station, Texas, April 12, 2020
![](../../pictures/archives/compress/2022/3121/jpeg/15t.jpg) Field mushrooms (Agaricus campestris) on a lawn in Bee Creek Park. College Station, Texas, March 25, 2022
![](../../pictures/archives/compress/2022/3121/jpeg/16t.jpg) Underside of field mushrooms (Agaricus campestris) on a lawn in Bee Creek Park. College Station, Texas, March 25, 2022
![](../../pictures/archives/compress/2022/3121/jpeg/22t.jpg) Basidia of field mushrooms (Agaricus campestris), collected in Bee Creek Park. College Station, Texas, March 25, 2022
![](../../pictures/archives/compress/2022/3121/jpeg/24t.jpg) Spores of field mushrooms (Agaricus campestris), collected in Bee Creek Park. College Station, Texas, March 25, 2022
![](../../pictures/archives/compress/2022/3121/jpeg/21t.jpg) Basidioles of field mushrooms (Agaricus campestris), collected in Bee Creek Park. College Station, Texas, March 25, 2022
![](../../pictures/archives/compress/2022/3121/jpeg/20t.jpg) Basidia of field mushrooms (Agaricus campestris) at low magnification, collected in Bee Creek Park. College Station, Texas, March 25, 2022
![](../../pictures/archives/compress/2022/3121/jpeg/23t.jpg) Basidia and a spore of field mushrooms (Agaricus campestris), collected in Bee Creek Park. College Station, Texas, March 25, 2022
![](../../pictures/archives/compress/2022/3121/jpeg/17t.jpg) Cross section of a field mushroom (Agaricus campestris) on a lawn in Bee Creek Park. College Station, Texas, March 25, 2022
![](../../pictures/archives/compress/2020/2686/jpeg/11t.jpg) Side view of grisette mushroom (Amanita sect. Vaginatae) on a field, 5 meters from bushes and trees, in Bee Creek Park. College Station, Texas, April 12, 2020
![](../../pictures/archives/compress/2024/3469/jpeg/12t.jpg) Seedling of borage family, maybe field gromwell (Lithospermum arvense, Buglossoides arvensis), in Old Baylor Park. Independence, Texas, February 7, 2024
![](../../pictures/archives/compress/2023/3413/jpeg/06t.jpg) Dry seeds of hedge parsley (Torilis arvensis) in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2024/3514/jpeg/07t.jpg) Underside of a horse mushroom (Agaricus arvensis) in Lick Creek Park. College Station, Texas, April 19, 2024
![](../../pictures/archives/compress/2014/1412/jpeg/01t.jpg) Prickly seeds of Hedge Parsley (Torilis arvensis) in Lick Creek Park. College Station, Texas, May 19, 2014
![](../../pictures/archives/compress/2019/2467/jpeg/13t.jpg) Corn speedwell (Veronica arvensis) taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 15, 2019
![](../../pictures/archives/compress/2024/3514/jpeg/09t.jpg) Cross section of a horse mushroom (Agaricus arvensis) in Lick Creek Park. College Station, Texas, April 19, 2024
![](../../pictures/archives/compress/2024/3515/jpeg/16t.jpg) Spores (in KOH) of a horse mushroom (Agaricus arvensis) collected in Lick Creek Park. College Station, Texas, April 19, 2024
![](../../pictures/archives/compress/2015/1525/jpeg/24t.jpg) Field Marigold (Calendula arvensis, local name hanwa) near Al Khor Hospital. Qatar, January 9, 2015
![](../../pictures/archives/compress/2015/1525/jpeg/25t.jpg) Seeds of Field Marigold (Calendula arvensis) taken from roadside near Al Khor Hospital. Qatar, January 9, 2015
![](../../pictures/archives/compress/2024/3514/jpeg/08t.jpg) Horse mushroom (Agaricus arvensis) in bushes of Yaupon near a road in Lick Creek Park. College Station, Texas, April 19, 2024
![](../../pictures/archives/compress/2015/1525/jpeg/26t.jpg) Flower and seeds of Field Marigold (Calendula arvensis) taken from roadside near Al Khor Hospital. Qatar, January 9, 2015
![](../../pictures/archives/compress/2011/971/jpeg/12t.jpg) Field scabious (Knautia arvensis) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
![](../../pictures/archives/compress/2014/1437/jpeg/25t.jpg) Field scabious (Knautia arvensis) in Siverskaya, 50 miles south from Saint Petersburg. Russia, June 15, 2014
![](../../pictures/archives/compress/2021/2920/jpeg/17t.jpg) Tiny blue flowers of corn speedwell (Veronica arvensis) on a lawn in Wolf Pen Creek Park. College Station, Texas, April 29, 2021
![](../../pictures/archives/compress/2017/2090/jpeg/18t.jpg) Bumble bee on field scabious (Knautia arvensis) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
![](../../pictures/archives/compress/2011/971/jpeg/13t.jpg) Flower of field scabious (Knautia arvensis) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
![](../../pictures/archives/compress/2011/968/jpeg/05t.jpg) Field scabious (Knautia arvensis) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2012/1087/jpeg/22t.jpg) Field scabious (Knautia arvensis) near Sablinka River in Sablino, 30 miles south from Saint Petersburg. Russia, July 29, 2012
![](../../pictures/archives/compress/2017/2090/jpeg/20t.jpg) Red and black moth on field scabious (Knautia arvensis) in Siverskaya, 50 miles south from Saint Petersburg. Russia, July 13, 2017
![](../../pictures/archives/compress/2015/1536/jpeg/16t.jpg) Field Marigold (Calendula arvensis, local name hanwa) on roadside of a road from Dukhan to Al Jumayliyah. Western Qatar, January 30, 2015
![](../../pictures/archives/compress/2012/1087/jpeg/13t.jpg) Field mint (Mentha arvensis) near Sablinka River in Sablino, 30 miles south from Saint Petersburg. Russia, July 29, 2012
![](../../pictures/archives/compress/2017/2089/jpeg/10t.jpg) Brown butterfly on field scabious (Knautia arvensis) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 9, 2017
![](../../pictures/archives/compress/2016/1847/jpeg/21t.jpg) Field restharrow (Ononis arvensis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 2, 2016
![](../../pictures/archives/compress/2014/1421/jpeg/09t.jpg) Tiny flower of corn speedwell (Veronica arvensis) in a field in Menkovo, south from Saint Petersburg. Russia, June 4, 2014
![](../../pictures/archives/compress/2009/776/jpeg/22t.jpg) Flower buds of field scabious (Knautia arvensis) east from Toksovo, 10 miles north from Saint Petersburg. Russia, July 9, 2009
![](../../pictures/archives/compress/2009/773/jpeg/14t.jpg) Small flower of Nigella arvensis (field black cumin) with ants on a shore of Kuyalnik Liman. Odessa, Ukraine, July 4, 2009
![](../../pictures/archives/compress/2015/1586/jpeg/18t.jpg) Staggerweed (Stachys arvensis) with flowers on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
![](../../pictures/archives/compress/2015/1586/jpeg/10t.jpg) Blooming staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
![](../../pictures/archives/compress/2015/1586/jpeg/15t.jpg) Plants of staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
![](../../pictures/archives/compress/2015/1574/jpeg/21t.jpg) Staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
![](../../pictures/archives/compress/2015/1586/jpeg/16t.jpg) Carpet of staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
![](../../pictures/archives/compress/2017/2114/jpeg/24t.jpg) Field restharrow (Ononis arvensis) near a railroad path to artillery storage in Toksovo, north from Saint Petersburg. Russia, August 9, 2017
![](../../pictures/archives/compress/2011/968/jpeg/18t.jpg) Flower buds of field scabious (Knautia arvensis) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2015/1623/jpeg/14t.jpg) Field restharrow (Ononis arvensis, Russian name Stal nik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
![](../../pictures/archives/compress/2015/1574/jpeg/24t.jpg) Seedlings of staggerweed (Stachys arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
![](../../pictures/archives/compress/2015/1575/jpeg/12t.jpg) Charlock mustard (Sinapis arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
![](../../pictures/archives/compress/2015/1586/jpeg/09t.jpg) Morning glory (bindweed, Convolvulus arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
![](../../pictures/archives/compress/2017/2102/jpeg/16t.jpg) Field restharrow (Ononis arvensis, Russian name Stalnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
![](../../pictures/archives/compress/2012/1088/jpeg/02t.jpg) Flower bud of field scabious (Knautia arvensis) in fields near Sablinka River in Sablino, 30 miles south from Saint Petersburg. Russia, July 29, 2012
![](../../pictures/archives/compress/2015/1631/jpeg/04t.jpg) Field restharrow (Ononis arvensis, Russian name Stalnik) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
![](../../pictures/archives/compress/2012/1084/jpeg/01t.jpg) Flower receptacle of field scabious (Knautia arvensis, Russian name Korostavnik) west from Kuzmolovo, 10 miles north from Saint Petersburg. Russia, July 23, 2012
![](../../pictures/archives/compress/2015/1575/jpeg/09t.jpg) Morning glory (bindweed, Convolvulus arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
![](../../pictures/archives/compress/2015/1575/jpeg/11t.jpg) Flowers of charlock mustard (Sinapis arvensis) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
![](../../pictures/archives/compress/2016/1731/jpeg/25t.jpg) Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
![](../../pictures/archives/compress/2016/1731/jpeg/26t.jpg) Blooming Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
![](../../pictures/archives/compress/2016/1732/jpeg/01t.jpg) Flowers of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
![](../../pictures/archives/compress/2016/1732/jpeg/02t.jpg) Plant of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on a roadside near Zubara. North-western Qatar, January 16, 2016
![](../../pictures/archives/compress/2012/1050/jpeg/21t.jpg) Field of white and yellow in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2020/2656/jpeg/07t.jpg) Dry acorns under an oak in Lick Creek Park. College Station, Texas, March 5, 2020
![](../../pictures/archives/compress/2020/2677/jpeg/11t.jpg) Brown cat on a tree near the creek in Wolf Pen Creek Park. College Station, Texas, March 30, 2020
![](../../pictures/archives/compress/2012/1051/jpeg/09t.jpg) Field of flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2012/1051/jpeg/21t.jpg) Field of various flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2016/1742/jpeg/11t.jpg) Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in area of Al Magdah farms. Northern Qatar, January 29, 2016
![](../../pictures/archives/compress/2020/2668/jpeg/11t.jpg) Shoot of blackberry in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
![](../../pictures/archives/compress/2020/2668/jpeg/07t.jpg) Sow thistle-like plant in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
![](../../pictures/archives/compress/2016/1742/jpeg/14t.jpg) Plant of field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in area of Al Magdah farms. Northern Qatar, January 29, 2016
![](../../pictures/archives/compress/2016/1742/jpeg/13t.jpg) Flowers of field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in area of Al Magdah farms. Northern Qatar, January 29, 2016
![](../../pictures/archives/compress/2010/864/jpeg/12t.jpg) Field of meadow flowers near horse parking in Lick Creek Park. College Station, Texas, May 27, 2010
![](../../pictures/archives/compress/2020/2656/jpeg/04t.jpg) Canada garlic (Allium canadense) in Bee Creek Park. College Station, Texas, March 4, 2020
![](../../pictures/archives/compress/2020/2656/jpeg/01t.jpg) Black medick (Medicago lupulina) in Bee Creek Park. College Station, Texas, March 4, 2020
![](../../pictures/archives/compress/2020/2668/jpeg/14t.jpg) Young leaves of live oak in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
![](../../pictures/archives/compress/2020/2675/jpeg/03t.jpg) Meadow mushrooms (Agaricus campestris) in Bee Creek Park. College Station, Texas, March 27, 2020
![](../../pictures/archives/compress/2020/2675/jpeg/01t.jpg) Mediterranean lineseed (Bellardia trixago) in Bee Creek Park. College Station, Texas, March 27, 2020
![](../../pictures/archives/compress/2014/1355/jpeg/22t.jpg) Flowers of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
![](../../pictures/archives/compress/2012/1051/jpeg/20t.jpg) Dense field of yellow flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2012/1051/jpeg/22t.jpg) Field of flowers of Rudbeckia hirta near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2012/1051/jpeg/17t.jpg) Field of Black eyed susan near Post Oak Trail in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2024/3527/jpeg/09t.jpg) Field of yellow and white flowers on Post Oak Trail in Lick Creek Park. College Station, Texas, May 6, 2024
![](../../pictures/archives/compress/2012/1048/jpeg/11t.jpg) Field of Black eyed susan flowers in Lick Creek Park. College Station, Texas, April 30, 2012
![](../../pictures/archives/compress/2008/638/jpeg/15t.jpg) Seeds of field geranium (Crane s bill) in Lick Creek Park. College Station, Texas, April 30, 2008
![](../../pictures/archives/compress/2014/1355/jpeg/23t.jpg) Seeds with flowers of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
![](../../pictures/archives/compress/2014/1355/jpeg/19t.jpg) Flowers and seeds of Field Marigold (Calendula arvensis, Calendula micrantha, local name hanwa) on roadside of a road to Zubara in Al Magdah farms area, in north-western Qatar, February 22, 2014
![](../../pictures/archives/compress/2020/2656/jpeg/06t.jpg) Hemisphaeric liverwort (Reboulia hemisphaerica)(?) in Lick Creek Park. College Station, Texas, March 5, 2020
![](../../pictures/archives/compress/2020/2677/jpeg/02t.jpg) Mushrooms Chlorophyllum hortense(?) on a lawn in Wolf Pen Creek Park. College Station, Texas, March 30, 2020
![](../../pictures/archives/compress/2020/2665/jpeg/13t.jpg) Basal rosette of leaves of some plant in Lick Creek Park. College Station, Texas, March 15, 2020
![](../../pictures/archives/compress/2020/2675/jpeg/05t.jpg) Dissected meadow mushrooms (Agaricus campestris) in Bee Creek Park. College Station, Texas, March 27, 2020
![](../../pictures/archives/compress/2020/2675/jpeg/04t.jpg) Underside of meadow mushrooms (Agaricus campestris) in Bee Creek Park. College Station, Texas, March 27, 2020
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