Ruud de Block:
Dicksonia antarctica - JB Kerdalo
Ruud de Block:
Dicksonia antarctica - JB Kerdalo-001
Ruud de Block:
Dicksonia antarctica - BG Duesseldorf
Ruud de Block:
Dicksonia antartica - Boomvaren - Mount Usher Gardens
Ruud de Block:
Cibotium regale Verschaff. & Lem. - Apenhaarboomvaren - BG Meise
Ruud de Block:
Cibotium regale Verschaff. & Lem. - Apenhaarboomvaren - BG Meise
Ruud de Block:
Dicksonia sellowiana (C. Presl) Hook. - BG Berlin