Consortium of Bryophyte Herbaria - Sematophyllum demissum

Sematophyllum demissum (Wilson) Mitt.
Family: Sematophyllaceae sematophyllum moss [Eurhynchium demissum (Wilson) Milde, more] Wayne Lampa	Flora of North America Resources Wilfred B. Schofield in FNA Volume 28 Sematophyllum demissum Plants: small to medium-sized, green to yellow-green, glossy. Stems: 0.5–2.5 cm, branches sometimes ascending. Leaves: straight or occasionally homomallous, oblong-ovate, tapering gradually to apex, 1–1.2 mm; margins reflexed proximally; apex acute; alar cells enlarged, inflated, yellow, in 1 row, supra-alar cells few, quadrate to short; laminal cells rhombic to flexuose. : Specialized asexual reproduction absent. Seta: 0.8–1.2 cm. Capsule: inclined to horizontal, 1 mm. Phenology: Capsules mature summer. Wet siliceous rock near streams. low to moderate elevations. N.S., Ala., Ark., Conn., Fla., Ga., Iowa, Kans., La., Mich., Mo., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn. Sematophyllum demissum resembles Hageniella micans in many respects, but H. micans is distinguished by its strong double costa and toothed acumen. Also, exothecial cells of Sematophyllum are collenchymatous; those of Hageniella are not.
Open Interactive Map William Cook William Cook William Cook William Cook William Cook William Cook William Cook William Cook William Cook Click to Display 100 Initial Images - - - - - View All Images