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Keys
  • Vascular plant groups
  • Club mosses
  • Ferns
  • Vegetative key to families
  • Gymnosperms
  • Flowering plants
  • Genera
  • Families

Dennstaedtiaceae >

Sori linear, marginal. Rhizome clothed with simple or pleuricellular hairs Dennstaedtiaceae
consider the other alternative
Sori orbicular, not confluent, terminal or almost so on the veins
consider the other alternative
Indusium cup-shaped, outer false indusium fused to the inner indusium Dennstaedtia