Similar(1): Flower bud of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(2): Unopened flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(3): Close-up of a flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(4): Top view of a flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(5): Flower head of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 2, 2026
Similar(6): Opening 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): Blooming summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 3, 2014