Anoectangium aestivum
Pottiaceae subfam. barbuloideae
anoectangium moss, summer beardless moss, summer-moss
central strand and sclerodermis usually present, hyalodermis rare.
commonly distant and exposing the stem; short-lanceolate to ligulate, (0.4–)1–1.5(–1.8) mm;
apex narrowly to broadly acute, apiculus short-triangular;
margins 1-stratose;
costa percurrent in distal leaves, ending in a clear, sharp cell.
usually broadly lanceolate to narrowly elliptical, apex blunt to acute, margins recurved basally;
distal laminal cells if 2-stratose stacked directly over one another, walls smooth or papillose, KOH yellow or red;
costa with or without a differentiated abaxial epidermis;
gemmae occasionally present, usually clavate.
dioicous.
0.5–1 mm, exceeding the theca in length, ovoid, inclined.
asexual reproduction absent.
usually present.
Anoectangium aestivum
Pottiaceae subfam. barbuloideae
Plants of Anoectangium aestivum often exhibit a comal tuft, and have leaves with multifid or occasionally 2-fid papillae, these dense and obscuring the cell lumens. Specimens from Massachusetts identified as this species are Hymenostylium recurvirostrum. Sporophytes are rare in the flora area. Arizona specimens with blunt leaves have been named A. euchloron, representing a morphologically somewhat intergrading, wide-ranging tropical variant.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Genera 33 (16 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
BC
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
