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Argyrochosma delicatula is a fern known from northeastern Mexico (and from one collection in Arizona). It grows in rocky habitats, either in sun or in shade, and is distinguished from similar species by the presence of pale yellow (rather than white) powder on the underside of its leaves. First described as a species in 1939, it was transferred to the new genus Argyrochosma in 1987.
Argyrochosma delicatula is principally known from the states of Chihuahua, Coahuila, and Nuevo Leon, in Mexico. One specimen collected in southeastern Arizona by John Gill Lemmon in 1880 has also been identified as this species.
Argyrochosma chilensis · Argyrochosma connectens · Powdery false cloak fern · 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 delicatula by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
