Structures of xyloglucans in primary cell walls of gymnosperms, monilophytes (ferns sensu lato) and lycophytes

► The xyloglucans of all 13 gymnosperms examined were fucogalactoxyloglucans. ► Six of 13 ferns examined had fucogalactoxyloglucans, but the others did not. ► The two lycophytes examined did not have fucogalactoxyloglucans.