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Argyrochosma dealbata
Also called Powdery Cloakfern, Powdery Falsecloak Fern
Argyrochosma dealbata, the powdery false cloak fern, is a small fern endemic to the central and southern United States. It grows on calcareous rocks, such as limestone. Its leaves are highly divided, with leaf segments joined by shiny, chestnut-brown axes, and their undersides are coated with white powder, giving the fern its name. First described as a species in 1814, it was transferred to the new genus Argyrochosma in 1987.
Kunze suggested the species was suitable for cultivation, noting that it was grown in the Berlin Botanical Garden in a well-lit part of the greenhouses. George Schneider suggested it required "cool treatment", perhaps in contrast to the desert-dwelling members of the genus. It has been described as preferring medium light, and relatively dry, well-drained soil mixed with sand, perhaps of high pH.
Argyrochosma dealbata is endemic to the United States. It is found from the western edge of Illinois south and west through Arkansas and Missouri to southeastern Nebraska and thence south through Kansas and Oklahoma to Texas, with a disjunct station in south-central Kentucky.
Argyrochosma chilensis · Argyrochosma connectens · Argyrochosma delicatula · Fendler's false cloak fern · Argyrochosma formosa · Hairy false cloak fern · Jones' false cloak fern · Southwestern false cloak fern · Argyrochosma lumholtzii · Small-leaf false cloak fern · Argyrochosma nivea · Argyrochosma pallens
Text excerpted from the Wikipedia article Argyrochosma dealbata by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
