20210808Sunday 7.50 am
Ferns,
蕨类,羊齿植物，
A fern (Polypodiopsida or Polypodiophyta /ˌpɒliˌpɒdiˈɒfɪtə, -oʊfaɪtə/) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers.
凤尾蕨
Pteris vittata, commonly known variously as the Chinese brake, Chinese ladder brake, or simply ladder brake, is a fern species in the Pteridoideae subfamily of the Pteridaceae. It is indigenous to Asia, southern Europe, tropical Africa and Australia. The type specimen was collected in China by Pehr Osbeck.
