Centaurea calcitrapa Red Star-thistle ID: 0175 3301 3808 0021 [detail] © 2001 CDFA	Centaurea calcitrapa Purple Star-thistle ID: 5205 1622 2824 0051 [detail] © 1995 Saint Mary's College of California	Centaurea calcitrapa Purple Star-thistle ID: 5205 1622 2824 0053 [detail] © 1995 Saint Mary's College of California	Centaurea calcitrapa Red Star-thistle ID: 0175 3301 2288 0024 [detail] © 2001 CDFA
Centaurea calcitrapa Red Star-thistle ID: 0175 3301 2288 0023 [detail] © 2001 CDFA	Centaurea calcitrapa Red Star-thistle ID: 0175 3301 3808 0020 [detail] © 2001 CDFA	Centaurea calcitrapa Purple Star-thistle ID: 5205 1622 2824 0052 [detail] © 1995 Saint Mary's College of California	Centaurea calcitrapa Purple Star-thistle ID: 5205 1622 2824 0054 [detail] © 1995 Saint Mary's College of California
Centaurea calcitrapa Red Star-thistle ID: 0175 3301 3808 0019 [detail] © 2001 CDFA	Centaurea calcitrapa Red Star-thistle ID: 0175 3301 2288 0026 [detail] © 2001 CDFA	Centaurea calcitrapa Red Star-thistle ID: 0175 3301 3808 0018 [detail] © 2001 CDFA	Centaurea calcitrapa Red Star-thistle ID: 0175 3301 3808 0022 [detail] © 2001 CDFA
Centaurea calcitrapa Purple Star Thistle ID: 0000 0000 0108 1273 [detail] © 2008 Zoya Akulova	Centaurea calcitrapa Purple Star Thistle ID: 0000 0000 1007 1409 [detail] © 2007 Neal Kramer	Centaurea calcitrapa Purple Star Thistle ID: 0000 0000 0708 2054 [detail] © 2008 Neal Kramer	Centaurea calcitrapa Purple Star Thistle ID: 0000 0000 1208 2246 [detail] © 2008 Neal Kramer
Centaurea calcitrapa Purple Star Thistle ID: 0000 0000 1208 2250 [detail] © 2008 Neal Kramer	Centaurea calcitrapa Purple Star Thistle ID: 0000 0000 1111 2206 [detail] © 2011 Aaron Arthur	Centaurea calcitrapa Purple Star Thistle ID: 0000 0000 1111 2207 [detail] © 2011 Aaron Arthur	Centaurea calcitrapa Purple Star-thistle (shown with Brassica nigra) ID: 0000 0000 0815 3966 [detail] © 2015 Jean Pawek
Centaurea calcitrapa Purple Star-thistle ID: 0000 0000 0815 3967 [detail] © 2015 Jean Pawek	Centaurea calcitrapa Purple Star-thistle ID: 0000 0000 0815 3968 [detail] © 2015 Jean Pawek	Centaurea calcitrapa Purple Star Thistle ID: 0000 0000 1115 2225 [detail] © 2015 Neal Kramer	Centaurea calcitrapa Purple Star Thistle ID: 0000 0000 1115 2226 [detail] © 2015 Neal Kramer

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