Similar(1): Unopened flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 13, 2022
Similar(2): Flower bud of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(3): Flower head of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(4): Opening flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(5): Top view of a flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(6): Close-up of a flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(7): Side view of a flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(8): Summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026