Hygrohypnum Lindb.
  • Contr. Fl. Crypt. As. 277. 1872[1873].

Cite taxon page as 'WFO (2020): Hygrohypnum Lindb. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000018582. Accessed on: 13 Jul 2020'

General Information

Plants small to large, yellow-green, green, dark green, or blackish. Stems unbranched or irregularly branched; hyalodermis rare, central strand well developed, rarely poorly so, or absent; paraphyllia absent; rhizoids or rhizoid initials on stem or abaxial costa insertion, rarely forming tomentum, slightly to strongly branched, smooth or rarely warty-papillose; axillary hairs (well developed and many, or small, delicate, sparse), hyaline when young. Leaves recurved, squarrose, or not, straight, falcate-secund, or both, ovate, broadly ovate, oval, orbicular, ovate-lanceolate, oblong-lanceolate, or lanceolate, not plicate, to or longer than 1 mm; base commonly decurrent; margins usually plane, sometimes recurved in apex, entire or weakly denticulate or serrulate, limbidia absent; apex broadly rounded, obtuse, or acute, occasionally apiculate from obtuse or rounded apex, sometimes blunt from acute apex, ; costa usually double, short, ending before mid leaf, often single and slender or stout to 1/2-3/4 leaf length, occasionally double and long, rarely percurrent, ; alar cells undifferentiated or little differentiated, quadrate, short-rectangular, or irregular, or cells enlarged, not or slightly inflated, hyaline, yellow-brown, brown, reddish brown, or rarely bright red, , region mostly well delimited, variously small and irregular to large; medial laminal cells usually linear-flexuose, sometimes short-rhombic or fusiform, <27- 66 µm (when costa is double); distal cells sometimes prorate distally on dorsal side>; marginal cells short or very long. Sexual condition autoicous or dioicous. Capsule erect, symmetric, or inclined, ovoid to oblong-cylindric, slightly to strongly arcuate; peristome double; exostome margins almost entire to dentate; endostome cilia 1-3, absent or rudimentary to well developed, sometimes appendiculate. Spores 10-24 µm.

  • Provided by: [B].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Included Species

     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of North America @ efloras.org
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    World Flora Online consortium
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).