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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