![](../../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/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/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/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/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/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/2022/3137/jpeg/01t.jpg) White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
![](../../pictures/archives/compress/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/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/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/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/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/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/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/2012/1074/jpeg/23t.jpg) Ovary of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
![](../../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/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/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/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/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/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/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/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/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/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/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/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/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/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/2012/1046/jpeg/17t.jpg) White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
![](../../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/2008/631/jpeg/07t.jpg) White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
![](../../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/2008/651/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/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/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/2024/3480/jpeg/18t.jpg) Leaves of woolly-white (Hymenopappus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../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/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/2024/3480/jpeg/03t.jpg) Texture of a pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../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/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/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/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/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/2023/3356/jpeg/09t.jpg) Leaves of woolly-white (Hymenopappus artemisiaefolius) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
![](../../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/2024/3480/jpeg/20t.jpg) Rosette of leaves of thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../pictures/archives/compress/2024/3480/jpeg/32t.jpg) Hairy leaves of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../pictures/archives/compress/2022/3114/jpeg/07t.jpg) Rosette of leaves of woolly-white (Hymenopappus artemisiaefolius) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
![](../../pictures/archives/compress/2024/3480/jpeg/25t.jpg) Young leaves of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../pictures/archives/compress/2024/3480/jpeg/28t.jpg) Fresh leaves of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../pictures/archives/compress/2021/2863/jpeg/12t.jpg) Winter 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/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/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/2024/3480/jpeg/27t.jpg) Reddish young leaves of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../pictures/archives/compress/2024/3480/jpeg/06t.jpg) Blue spiderwort (Tradescantia) flowers and hairy leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../pictures/archives/compress/2024/3480/jpeg/30t.jpg) Texture of fresh leaves of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../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/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/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/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/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/2024/3499/jpeg/10t.jpg) Blue and white, snapdragon like flowers of branched broomrape (Orobanche ramosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2024
![](../../pictures/archives/compress/2018/2239/jpeg/25t.jpg) Prickly peas cactus (Opuntia) with yellow Senecio(?) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
![](../../pictures/archives/compress/2023/3373/jpeg/05t.jpg) Prickly flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
![](../../pictures/archives/compress/2021/2865/jpeg/08t.jpg) Green leaves of white avens (Geum canadense) among dry oak leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
![](../../pictures/archives/compress/2021/2865/jpeg/07t.jpg) Basal leaves of white avens (Geum canadense) among dry oak leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
![](../../pictures/archives/compress/2023/3373/jpeg/07t.jpg) Prickly flower buds on a shoot of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
![](../../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/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/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/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/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/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/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/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/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/2022/3108/jpeg/25t.jpg) Basal leaves of white avens (Geum canadense) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
![](../../pictures/archives/compress/2019/2565/jpeg/20t.jpg) Resette of leaves and small white flowers of a plant in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
![](../../pictures/archives/compress/2023/3339/jpeg/20t.jpg) Winter rosette of leaves of woolly-white (Hymenopappus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
![](../../pictures/archives/compress/2021/2865/jpeg/10t.jpg) Basal leaves of white avens (Geum canadense) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
![](../../pictures/archives/compress/2024/3457/jpeg/25t.jpg) Spiny leaves of a thistle near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
![](../../pictures/archives/compress/2024/3457/jpeg/17t.jpg) Fresh leaves of bluebonnet (Lupinus) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
![](../../pictures/archives/compress/2024/3457/jpeg/16t.jpg) Young leaves of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
![](../../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/2024/3469/jpeg/02t.jpg) Winter rosette of hairy basal leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 7, 2024
![](../../pictures/archives/compress/2024/3457/jpeg/28t.jpg) Oval basal leaves of plantain (Plantago)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
![](../../pictures/archives/compress/2024/3457/jpeg/13t.jpg) Leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
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