![](../../pictures/archives/compress/2012/1044/jpeg/11t.jpg) White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
![](../../pictures/archives/compress/2012/1064/jpeg/10t.jpg) White prickly poppy (Argemone albiflora) with a katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
![](../../pictures/archives/compress/2014/1454/jpeg/09t.jpg) White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
![](../../pictures/archives/compress/2022/3185/jpeg/02t.jpg) Late blooming white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
![](../../pictures/archives/compress/2018/2244/jpeg/02t.jpg) White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
![](../../pictures/archives/compress/2018/2248/jpeg/08t.jpg) White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
![](../../pictures/archives/compress/2022/3137/jpeg/01t.jpg) White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
![](../../pictures/archives/compress/2024/3480/jpeg/10t.jpg) Leaves of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../pictures/archives/compress/2024/3457/jpeg/21t.jpg) Seedling of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
![](../../pictures/archives/compress/2022/3137/jpeg/04t.jpg) Blooming white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
![](../../pictures/archives/compress/2022/3137/jpeg/02t.jpg) Flowers of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
![](../../pictures/archives/compress/2018/2244/jpeg/12t.jpg) Blooming white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
![](../../pictures/archives/compress/2019/2558/jpeg/09t.jpg) White prickly poppy (Argemone albiflora) with katidid in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
![](../../pictures/archives/compress/2009/748/jpeg/17t.jpg) Opening flower of white prickly poppy (pricklepoppy, Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
![](../../pictures/archives/compress/2023/3339/jpeg/29t.jpg) Winter rosette of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
![](../../pictures/archives/compress/2020/2631/jpeg/16t.jpg) Winter rosette of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
![](../../pictures/archives/compress/2022/3137/jpeg/05t.jpg) Upper view of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
![](../../pictures/archives/compress/2024/3457/jpeg/22t.jpg) Rosette of leaves of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
![](../../pictures/archives/compress/2023/3339/jpeg/30t.jpg) Winter rosette of white prickly poppy (Argemone albiflora) with water drops in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
![](../../pictures/archives/compress/2009/745/jpeg/19t.jpg) White flower of prickly poppy (pricklepoppy, Argemone albiflora) with orange center and delicate crinkled petals in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
![](../../pictures/archives/compress/2024/3611/jpeg/02t.jpg) White prickly poppy (Argemone albiflora) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2024
![](../../pictures/archives/compress/2022/3132/jpeg/23t.jpg) Prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
![](../../pictures/archives/compress/2020/2703/jpeg/25t.jpg) Flower of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
![](../../pictures/archives/compress/2024/3469/jpeg/05t.jpg) Rosette of leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 7, 2024
![](../../pictures/archives/compress/2023/3357/jpeg/14t.jpg) Young leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
![](../../pictures/archives/compress/2023/3335/jpeg/03t.jpg) Basal leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
![](../../pictures/archives/compress/2022/3132/jpeg/21t.jpg) Flower of prickly poppy (Argemone albiflora) with a beetle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
![](../../pictures/archives/compress/2023/3335/jpeg/02t.jpg) Leaves with water drops of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
![](../../pictures/archives/compress/2023/3335/jpeg/01t.jpg) Small rosette of leaves of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
![](../../pictures/archives/compress/2022/3137/jpeg/03t.jpg) Hover fly (syrphid) on a flower of w hite prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
![](../../pictures/archives/compress/2012/1046/jpeg/17t.jpg) White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
![](../../pictures/archives/compress/2007/588/jpeg/03t.jpg) White prickly poppy flower on field near Old Washington Town Site Loop Trail of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
![](../../pictures/archives/compress/2009/745/jpeg/18t.jpg) White flower of prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
![](../../pictures/archives/compress/2008/631/jpeg/07t.jpg) White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
![](../../pictures/archives/compress/2008/663/jpeg/26t.jpg) White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
![](../../pictures/archives/compress/2008/651/jpeg/16t.jpg) White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
![](../../pictures/archives/compress/2009/751/jpeg/02t.jpg) Grasshopper on a white prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
![](../../pictures/archives/compress/2008/662/jpeg/24t.jpg) Young katydid on white prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
![](../../pictures/archives/compress/2009/751/jpeg/03t.jpg) Close up of a green grasshopper sitting on a white prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
![](../../pictures/archives/compress/2012/1047/jpeg/24t.jpg) White prickly poppy (Argemone albiflora) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
![](../../pictures/archives/compress/2014/1409/jpeg/04t.jpg) Prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
![](../../pictures/archives/compress/2008/637/jpeg/23t.jpg) Prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
![](../../pictures/archives/compress/2022/3125/jpeg/07t.jpg) Leaves of prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
![](../../pictures/archives/compress/2008/637/jpeg/21t.jpg) Prickly poppy flower with immature katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
![](../../pictures/archives/compress/2023/3371/jpeg/13t.jpg) White prickly poppy (Argemone albiflora) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
![](../../pictures/archives/compress/2012/1000/jpeg/03t.jpg) Pad of prickly pears in a forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
![](../../pictures/archives/compress/2014/1462/jpeg/19t.jpg) Flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
![](../../pictures/archives/compress/2014/1462/jpeg/18t.jpg) Close up of a flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
![](../../pictures/archives/compress/2014/1462/jpeg/22t.jpg) Katydid nymph on prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
![](../../pictures/archives/compress/2012/1044/jpeg/14t.jpg) Yellow flowers of Prickly pear cactus (Opuntia) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
![](../../pictures/archives/compress/2014/1462/jpeg/27t.jpg) Katydid nymph on a petal of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
![](../../pictures/archives/compress/2010/865/jpeg/13t.jpg) Flower of white prickly poppy (Argemone albiflora) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
![](../../pictures/archives/compress/2010/865/jpeg/11t.jpg) White prickly poppy (Argemone albiflora) flowers on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
![](../../pictures/archives/compress/2014/1466/jpeg/03t.jpg) Prickly peas (Opuntia cactus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
![](../../pictures/archives/compress/2023/3334/jpeg/14t.jpg) Winter rosette of white prickly poppy (Argemone albiflora) in Bee Creek Park. College Station, Texas, January 28, 2023
![](../../pictures/archives/compress/2010/865/jpeg/10t.jpg) Stamens of white prickly poppy (Argemone albiflora) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
![](../../pictures/archives/compress/2022/3195/jpeg/08t.jpg) Dry skeleton of prickly peas cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
![](../../pictures/archives/compress/2022/3195/jpeg/07t.jpg) Rusty pads of prickly peas cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
![](../../pictures/archives/compress/2020/2800/jpeg/33t.jpg) White prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
![](../../pictures/archives/compress/2018/2256/jpeg/19t.jpg) White prickly poppy (Argemone albiflora) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
![](../../pictures/archives/compress/2024/3511/jpeg/12t.jpg) White prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
![](../../pictures/archives/compress/2018/2256/jpeg/21t.jpg) White prickly poppy (Argemone albiflora) on a road on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
![](../../pictures/archives/compress/2021/2900/jpeg/06t.jpg) Flower of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
![](../../pictures/archives/compress/2021/2900/jpeg/07t.jpg) Blooming white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
![](../../pictures/archives/compress/2021/2900/jpeg/04t.jpg) Leaves of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
![](../../pictures/archives/compress/2021/2900/jpeg/10t.jpg) Large flower of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
![](../../pictures/archives/compress/2024/3468/jpeg/23t.jpg) Winter rosette of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2021/2900/jpeg/09t.jpg) Delicate flower of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
![](../../pictures/archives/compress/2021/2900/jpeg/08t.jpg) Honey bee hovering over a flower of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
![](../../pictures/archives/compress/2021/2900/jpeg/14t.jpg) Side view of flower of white prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
![](../../pictures/archives/compress/2012/1113/jpeg/01t.jpg) White gaura flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
![](../../pictures/archives/compress/2021/2863/jpeg/10t.jpg) Leaves of white prickly poppy (Argemone albiflora) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
![](../../pictures/archives/compress/2021/2900/jpeg/13t.jpg) Flower of white prickly poppy (Argemone albiflora) with a green metallic beetle at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
![](../../pictures/archives/compress/2020/2699/jpeg/01t.jpg) Common red corn poppy (Papaver rhoeas) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2012/1046/jpeg/15t.jpg) White flowers of Bull Nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
![](../../pictures/archives/compress/2022/3156/jpeg/22t.jpg) Pad of prickly pears (Opuntia) with a bug in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
![](../../pictures/archives/compress/2011/989/jpeg/07t.jpg) Prickly pear pad in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
![](../../pictures/archives/compress/2011/984/jpeg/02t.jpg) Prickly pears in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
![](../../pictures/archives/compress/2011/989/jpeg/08t.jpg) Prickly pear (Opuntia) pad in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
![](../../pictures/archives/compress/2012/1075/jpeg/05t.jpg) Sandburs spikelet in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
![](../../pictures/archives/compress/2012/1074/jpeg/25t.jpg) Some back lit leaf in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
![](../../pictures/archives/compress/2012/1074/jpeg/22t.jpg) Grasshopper on rugweed in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
![](../../pictures/archives/compress/2012/1100/jpeg/21t.jpg) Small White Morning Glory (Pitted Morningglory, Ipomoea lacunosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 25, 2012
![](../../pictures/archives/compress/2019/2454/jpeg/13t.jpg) Prickly pear cacti (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
![](../../pictures/archives/compress/2020/2699/jpeg/12t.jpg) Yellow flowers of prickly pears (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2019/2454/jpeg/12t.jpg) Prickly pear cacti and dry trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
![](../../pictures/archives/compress/2020/2698/jpeg/10t.jpg) Common red corn poppy (Papaver rhoeas) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2020/2736/jpeg/27t.jpg) White dayflower (Commelina) on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
![](../../pictures/archives/compress/2011/936/jpeg/18t.jpg) Blooming prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 30, 2011
![](../../pictures/archives/compress/2020/2662/jpeg/16t.jpg) Dry pad skeleton of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
![](../../pictures/archives/compress/2018/2239/jpeg/23t.jpg) Pads of prickly peas cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
![](../../pictures/archives/compress/2014/1408/jpeg/21t.jpg) Prickly seeds of Hedge Parsley (Torilis arvensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
![](../../pictures/archives/compress/2022/3133/jpeg/04t.jpg) Dry pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
![](../../pictures/archives/compress/2024/3480/jpeg/02t.jpg) Skeleton of a dry pad of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../pictures/archives/compress/2020/2654/jpeg/07t.jpg) Skeleton of a dry pad of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
![](../../pictures/archives/compress/2021/2863/jpeg/11t.jpg) Rosette of leaves of white prickly poppy (Argemone albiflora) on sand mound of harvester ants on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
![](../../pictures/archives/compress/2012/1075/jpeg/06t.jpg) Golden eye lichen (Teloschistes chrysophthalmus)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
![](../../pictures/archives/compress/2012/1075/jpeg/07t.jpg) Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
![](../../pictures/archives/compress/2012/1075/jpeg/08t.jpg) Puncturevine (Caltrop, Tribulus terrestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
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