Leaf_maidenhair fern

(Adiantum tracyi)

galery

Description

Adiantum tracyi is a fern species described by Carlotta Case Hall and Wagner . Adiantum tracyi is part of the genus Adiantum and the Pteridaceae family. No subspecies are listed. They are distinctive in appearance, with dark, often black stipes and rachises, and bright green, often delicately cut leaf tissue. The sori are borne submarginally, and are covered by reflexed flaps of leaf tissue which resemble indusia. Dimorphism between sterile and fertile fronds is generally subtle. They generally prefer humus-rich, moist, well-drained sites, ranging from bottomland soils to vertical rock walls. Many species are especially known for growing on rock walls around waterfalls and water seepage areas.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum: Pteridophyta
Class: Polypodiopsida
Order:Polypodiales
Family:Pteridaceae
Genus:Adiantum
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