Field of prairie parsley (Polytaenia texana), home of many black swallowtail caterpillars, in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
Prairie parsley flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
Umbrella of Prairie parsley flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
Flowers of prairie parsley (Polytaenia texana) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, April 17, 2022
Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
Prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
Leaves of prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
Winter basal leaves of prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
Dry seeds of prairie parsley (Polytaenia texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
