shield fern

名词 n.
中文释义

英文释义

名词 n.
  1. Certain ferns with elements of shield-like appearance, principally of four genera:; Dryopteris (buckler ferns)
  2. Certain ferns with elements of shield-like appearance, principally of four genera:; Lastreopsis spp.
  3. Certain ferns with elements of shield-like appearance, principally of four genera:; Polystichum spp.
  4. Certain ferns with elements of shield-like appearance, principally of four genera:; Sticherus spp. Australia

词形变化

shield ferns plural

词源

From the shape of the indusia that cover the fern's sori (spores).
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