fronds

Resurrection fern Polypodium polypodioides pen and ink completed for Montserrat National Trust

Resurrection fern Pleopeltis or Polypodium polypodioides completed for Montserrat National Trust

Bracken Pteridium aquilinum showing leaf fronds, roots, and inrolled leaf margins with sori

Royal fern Osmunda regalis with both frond types

Rattan Palm Calamus frond and showing spiked stem, pen and ink

Parsley fern Cryptogramma crispa showing both forms of the frond