Powdery False Cloak Fern
Argyrochosma dealbata
Characteristics
- Environment - Limestone bluffs and ledges.
- Fronds - Very small, leaves 3 to 5 pinnate up to 15cm long.
- Leaves - Triangular, incurved edges, white powder on the surfaces.
- Rachis - Reddish brown with a few thin scales.
- Spores - Spherical spore cases closely spaced along the edges of the leaflets.
The ferns are growing in a small niche in a vertical limestone bluff at the center of the image.
Closeup showing the niche they are growing in.
Several fronds showing the overall structure. Note the dark stems.
Spores on the underside of the fronds. Note the curled edges and the powdery coating.
Lower part of the rachis showing a single scale.
Ferns Gallery
