Centaurea nigra var. nigra (N)

 21-7-2005  Trafford,  John Somerville
 Northwich,Cheshire  Dave James
 rayed form
 27-6-2005  Chadderton,Gtr Manchester  Roger Darlington
 var. radiata  8-10-2007  Sharnford,Leics   Graham Calow
 unusual recurved feathery bracts
 var. nigra (white form)
 4-7-2005  Thurlestone,Devon   David Fenwick
 4-7-2005  Thurlestone,Devon   David Fenwick
 4-7-2005  Thurlestone,Devon   David Fenwick
Flowers index
 20-6-2012  nr Chichester,W Sussex   Valerie Hill