![](../../pictures/archives/compress/2008/648/jpeg/08t.jpg) Cylindrical flowerhead of Mexican hat (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
![](../../pictures/archives/compress/2020/2698/jpeg/13t.jpg) Mexican hat flowers (Ratibida columnaris) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2020/2698/jpeg/09t.jpg) Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2010/861/jpeg/17t.jpg) Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
![](../../pictures/archives/compress/2010/858/jpeg/06t.jpg) Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
![](../../pictures/archives/compress/2008/663/jpeg/22t.jpg) Yellow color variant of Mexican hat flower (Ratibida columnifera) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
![](../../pictures/archives/compress/2018/2263/jpeg/03t.jpg) Dark colored Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
![](../../pictures/archives/compress/2021/3013/jpeg/03t.jpg) Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
![](../../pictures/archives/compress/2008/644/jpeg/14t.jpg) Two Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
![](../../pictures/archives/compress/2020/2698/jpeg/12t.jpg) Mexican hat flower (Ratibida columnaris) with a caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2010/858/jpeg/07t.jpg) Flower head of Mexican hat (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
![](../../pictures/archives/compress/2023/3339/jpeg/16t.jpg) Basal leaves of Mexican hat (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
![](../../pictures/archives/compress/2020/2809/jpeg/13t.jpg) Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
![](../../pictures/archives/compress/2020/2809/jpeg/14t.jpg) Blooming Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
![](../../pictures/archives/compress/2009/745/jpeg/23t.jpg) Cylindrical part of a flower of Mexican hat (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
![](../../pictures/archives/compress/2022/3146/jpeg/19t.jpg) Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
![](../../pictures/archives/compress/2018/2263/jpeg/02t.jpg) Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
![](../../pictures/archives/compress/2024/3537/jpeg/19t.jpg) Field of Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
![](../../pictures/archives/compress/2018/2263/jpeg/05t.jpg) Mexican hat flowers (Ratibida columnifera) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
![](../../pictures/archives/compress/2022/3109/jpeg/13t.jpg) Leaves of Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
![](../../pictures/archives/compress/2008/663/jpeg/23t.jpg) Mexican hat flowers at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
![](../../pictures/archives/compress/2014/1409/jpeg/01t.jpg) Yellow Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
![](../../pictures/archives/compress/2008/644/jpeg/12t.jpg) Mexican hat flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
![](../../pictures/archives/compress/2008/637/jpeg/20t.jpg) Long, cone-shaped receptacle of Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
![](../../pictures/archives/compress/2008/641/jpeg/17t.jpg) Two Mexican hat flowers grown together in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
![](../../pictures/archives/compress/2008/644/jpeg/13t.jpg) Group of Mexican hat flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
![](../../pictures/archives/compress/2008/663/jpeg/20t.jpg) Mexican hat flower with a bee on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
![](../../pictures/archives/compress/2020/2698/jpeg/08t.jpg) Purple Alyssum like flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2022/3146/jpeg/21t.jpg) Mexican hat (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
![](../../pictures/archives/compress/2020/2699/jpeg/18t.jpg) Blooming Mexican hat (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2020/2699/jpeg/17t.jpg) Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2014/1408/jpeg/14t.jpg) Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
![](../../pictures/archives/compress/2018/2254/jpeg/01t.jpg) Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 2, 2018
![](../../pictures/archives/compress/2009/741/jpeg/24t.jpg) Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
![](../../pictures/archives/compress/2014/1408/jpeg/25t.jpg) Orange Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
![](../../pictures/archives/compress/2018/2248/jpeg/05t.jpg) Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
![](../../pictures/archives/compress/2012/1044/jpeg/09t.jpg) Mexican hat flower (Ratibida columnifera) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
![](../../pictures/archives/compress/2012/1044/jpeg/08t.jpg) Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
![](../../pictures/archives/compress/2020/2698/jpeg/17t.jpg) Purple Alyssum like flowers of mustard family on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2008/623/jpeg/18t.jpg) Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, March 28, 2008
![](../../pictures/archives/compress/2008/627/jpeg/10t.jpg) Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
![](../../pictures/archives/compress/2008/627/jpeg/09t.jpg) Bluebonnet and paintbrush flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
![](../../pictures/archives/compress/2008/627/jpeg/11t.jpg) Bluebonnet and showy primrose flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
![](../../pictures/archives/compress/2008/623/jpeg/17t.jpg) Small bluets (Hedyotis crassifolia) flowers in Washington-on-the-Brazos State Historic Site, on Loop Trail. Washington, Texas, March 28, 2008
![](../../pictures/archives/compress/2008/657/jpeg/14t.jpg) Green flowers of Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
![](../../pictures/archives/compress/2008/627/jpeg/15t.jpg) Opening flowers of Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
![](../../pictures/archives/compress/2009/786/jpeg/13t.jpg) Yellow pea like flowers of rattlebush (Sesbania drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2009
![](../../pictures/archives/compress/2008/662/jpeg/22t.jpg) Inflorescence of woolly croton (hogwort, Croton capitatus) with swollen ovaries of female flowers and creamy stamens on male flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
![](../../pictures/archives/compress/2024/3537/jpeg/18t.jpg) Field of black eyed susan and Mexican hat flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
![](../../pictures/archives/compress/2009/725/jpeg/02t.jpg) Field of bluebonnets and paintbrush flowers at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
![](../../pictures/archives/compress/2020/2747/jpeg/10t.jpg) Flowers of hornbeam copperleaf (Acalypha ostryifolia) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
![](../../pictures/archives/compress/2020/2747/jpeg/07t.jpg) Snow-on-the-prairie (Euphorbia bicolor) with flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
![](../../pictures/archives/compress/2009/725/jpeg/05t.jpg) Field of bluebonnets and paintbrush flowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
![](../../pictures/archives/compress/2008/625/jpeg/08t.jpg) Bluebonnet and paintbrush flowers in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
![](../../pictures/archives/compress/2008/625/jpeg/07t.jpg) Field of lupin and paintbrush flowers in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
![](../../pictures/archives/compress/2008/625/jpeg/06t.jpg) Field of bluebonnet and paintbrush flowers in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
![](../../pictures/archives/compress/2008/625/jpeg/09t.jpg) Lupin and Indian paintbrush flowers in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
![](../../pictures/archives/compress/2020/2703/jpeg/14t.jpg) Purple alyssum like flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
![](../../pictures/archives/compress/2020/2703/jpeg/09t.jpg) Alyssum like purple flowers and fruits in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
![](../../pictures/archives/compress/2008/625/jpeg/05t.jpg) Closed flowers of Antelope horns milkweed with a hairy seed in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
![](../../pictures/archives/compress/2008/662/jpeg/19t.jpg) Snow-on-the-prairie (Euphorbia bicolor) with linear floral leaves having white margins and small fan-like male flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
![](../../pictures/archives/compress/2019/2530/jpeg/02t.jpg) Purple flowers of winged loosestrife (Lythrum alatum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 16, 2019
![](../../pictures/archives/compress/2008/623/jpeg/19t.jpg) Spiderwort flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
![](../../pictures/archives/compress/2008/679/jpeg/10t.jpg) Aster flowers in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
![](../../pictures/archives/compress/2008/623/jpeg/11t.jpg) Field of flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
![](../../pictures/archives/compress/2012/1049/jpeg/12t.jpg) Field of flowers near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
![](../../pictures/archives/compress/2007/587/jpeg/21t.jpg) A field of yellow flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
![](../../pictures/archives/compress/2014/1409/jpeg/03t.jpg) Ferry Road with yellow flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
![](../../pictures/archives/compress/2008/644/jpeg/15t.jpg) Bull nettle flowers with a caterpillar(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
![](../../pictures/archives/compress/2008/633/jpeg/09t.jpg) Bluebonnet flowers in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
![](../../pictures/archives/compress/2008/631/jpeg/14t.jpg) Fleabane daisy(?) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
![](../../pictures/archives/compress/2020/2698/jpeg/07t.jpg) Alyssum like flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../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/2022/3125/jpeg/17t.jpg) Yellow flowers of aster family in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
![](../../pictures/archives/compress/2012/1063/jpeg/23t.jpg) Flowers of lemon beebalm (purple horsemint, Monarda citriodora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
![](../../pictures/archives/compress/2008/657/jpeg/21t.jpg) Buttonweed (Diodea virginiana) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
![](../../pictures/archives/compress/2008/663/jpeg/19t.jpg) Vervain (Verbena) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
![](../../pictures/archives/compress/2020/2698/jpeg/14t.jpg) Close-up of Alissum like flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2021/2909/jpeg/12t.jpg) Flowers of yellow woodsorrel (Oxalis stricta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
![](../../pictures/archives/compress/2022/3114/jpeg/08t.jpg) Yellow and blue flowers of Krigia and Tradescantia in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
![](../../pictures/archives/compress/2019/2469/jpeg/18t.jpg) Yellow flowers of buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
![](../../pictures/archives/compress/2010/889/jpeg/15t.jpg) Closed flowers of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
![](../../pictures/archives/compress/2008/631/jpeg/18t.jpg) Flowers of curly dock (Rumex crispus)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
![](../../pictures/archives/compress/2007/587/jpeg/23t.jpg) White flowers of lemon mint in Washington-on-the-Brazos State Historic Site, near loop trail. Washington, Texas, June 2, 2007
![](../../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/2021/2909/jpeg/17t.jpg) Yellow flowers of Engelmann s daisy (Engelmannia peristenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
![](../../pictures/archives/compress/2008/648/jpeg/07t.jpg) Bull nettle (mala mujer, Cnidoscolus texanus) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
![](../../pictures/archives/compress/2008/641/jpeg/23t.jpg) White flowers of rough-leaf dogwood (Cornus drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
![](../../pictures/archives/compress/2008/633/jpeg/22t.jpg) Flowers of Indian paintbrush in dew with cut-off funnel-like red-tipped calyx in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
![](../../pictures/archives/compress/2008/663/jpeg/17t.jpg) Snow-on-the-prairie (Euphorbia bicolor) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
![](../../pictures/archives/compress/2020/2698/jpeg/16t.jpg) Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
![](../../pictures/archives/compress/2018/2244/jpeg/27t.jpg) White and yellow flowers of Japanese honeysuckle (Lonicera japonica) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
![](../../pictures/archives/compress/2021/2908/jpeg/24t.jpg) Yellow flowers of Linum berlandieri (stiff-stem Flax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
![](../../pictures/archives/compress/2018/2244/jpeg/21t.jpg) Yellow flowers of aster family with stink bugs near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
![](../../pictures/archives/compress/2022/3114/jpeg/05t.jpg) Small yellow flowers of a plant of tansy mustard (Descurainia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
![](../../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/2021/2909/jpeg/02t.jpg) Yellow flowers of Linum berlandieri (stiff-stem Flax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
![](../../pictures/archives/compress/2007/588/jpeg/01t.jpg) Mexican Hat wildflower near a loop trail in northern part of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
![](../../pictures/archives/compress/2008/668/jpeg/16t.jpg) Flowers of cowpen daisy (golden crownbeard, Verbesina encelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 7, 2008
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