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Photos of Wetland Ferns and Allies
 

Dryopteris cristata ~ crested shield fern

Image 10 of 46



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Characteristics:
  • OBL
  • Michigan C Value: 6
  • also known as crested wood fern
  • fronds relatively narrow
  • leathery leaves
  • twice divided
  • widely-spaced, tilted leaflets (like louvered blinds)
  • spore dots (sori) on the underside of pinnae
  • sori are round and are usually lined up in two rows
  • sori midway between midvein and leaf edge
  • fronds dimorphic
  • fertile fronds with deciduous pinnae and can be relatively large
  • fertile fronds often have highly-louvered pinnae
  • sterile fronds smaller, forming persistent, evergreen rosette
  • native
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