Further editing: 2001-03 Sokoloff DD
; Scrutinised globally by taxonomic co-ordinator: 2001-03 Sokoloff DD & Kramina TE
; Source(s): 1988 (Europe) ESFEDS
NOTES:
 According to Hooker A.webbiana differs from these two taxa in some important []
 characters. [3224]
 Nothing of the original material is found in herbaria. [3224]
 No similar specimens have been collected by other botanists from Madeira. [3224]
 Until new records are found this taxon should be treated as a nomen dubium. [3224]