Swartz ex F. Weber & D. Mohr

in F. Weber, Naturh. Reise Schweden, 121. 1804.

Etymology: Greek konos, cone, and stoma, opening, alluding to operculum
Treatment appears in FNA Volume 28. Treatment on page 98. Mentioned on page 661, 663.

Plants in dense tufts, glaucous or yellow-green. Stems 0.5–3 cm, erect, simple or 2-fid; pentagonal in cross section, hyalodermis present, epidermis not prorulose; radiculose proximally, rhizoids smooth. Leaves in 5 distinct rows, imbricate, appressed when dry or moist, narrowly lanceolate, 1-stratose; base not sheathing; margins slightly revolute in distal 1/2, serrulate near apex, teeth single; apex acuminate or rarely blunt; costa percurrent to excurrent, sometimes subpercurrent in proximal leaves, abaxial surface mammillose-toothed; basal laminal cells more lax than distal cells; distal cells rectangular to short-rhomboidal, smooth or mammillose at distal ends on both surfaces, walls thick. Specialized asexual reproduction unknown. Sexual condition dioicous [or autoicous]; perigonia cupulate or gemmiform; perichaetial leaves larger than stem leaves. Seta single, elongate, flexuose. Capsule erect to inclined, ovoid, wrinkled and furrowed when dry, mouth not small, not oblique; annulus absent; operculum conic, rostrate; peristome single or rarely absent; exostome teeth reddish orange to dark brown, linear-lanceolate, smooth throughout or finely papillose basally, apically connate. Spores spheric to reniform, coarsely papillose [to smooth].


North America, Mexico, West Indies, South America, Europe, Asia, Africa, Pacific Islands.


Species 7–15 (1 in the flora).

... more about "Conostomum"
Dana G. Griffin III +
Swartz ex F. Weber & D. Mohr +
North America +, Mexico +, West Indies +, South America +, Europe +, Asia +, Africa +  and Pacific Islands. +
Greek konos, cone, and stoma, opening, alluding to operculum +
in F. Weber, Naturh. Reise Schweden, +
frahm1996a +
Conostomum +
Bartramiaceae +