Leptodictyum riparium (Hedw.) Warnst.
  • Krypt.-Fl. Brandenburg, Laubm.

Cite taxon page as 'WFO (2020): Leptodictyum riparium (Hedw.) Warnst. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001168592. Accessed on: 24 Oct 2020'

General Information

Plants in flat, loose, long trailing mats, light green to yellow-brown. Stems 6-20 cm, flaccid, irregularly branched. Leaves erect- to wide-spreading or appearing distichous, somewhat complanate especially in branches, often obliquely attached to stem, slightly contorted when dry, 2.5-6 mm; margins entire; apex broadly short- to gradually long-acuminate; costa (45-)52-114 µm wide at base; alar region differentiated; basal laminal cell walls lax; distal cells (34-)42-117 × 7-12(-13) µm. Seta single, light to dark brown, 0.8-2.6 cm. Capsule brown to reddish, 2.2-2.5 mm; annulus deciduous, 2- or 3-seriate, cells large; operculum conic, apiculate; peristome yellow to brown. Calyptra naked.

  • Provided by: [D].Flora of North America @ efloras.org
    • Source: [
    • 2
    • ]. 


    Plants small to large, soft to flaccid, in dull or lustrous, yellow-green mats. Stems creeping or floating, up to 100 mm long. Leaves soft, wide spreading and distantly spaced; ovate to narrowly oblong-ovate, up to 5 mm long; apex long-acuminate; costa single, slender, extending ± 2/s of leaf. Upper laminal cells long-hexagonal to linear, smooth; basal cells broadly rectangular, lax, larger at insertion. Perichaetia conspicuous, leaves oblong-ovate. Capsule suberect to horizontal, arcuate, cylindric. Typically semi-aquatic with flaccid plants and wide-spreading, distantly spaced, straight leaves with costae extending ± % of leaf, long upper laminal cells, and broad, lax basal cells.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 


    Mesic Grassland. On soil, rock or decaying bark.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Distribution Map

    • Native distribution
    Found in
    • Southern America Brazil Paraní
    • Rio Grande do Sul
    • Santa Catarina
    • Minas Gerais
    • São Paulo


     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
    • B Group Brazil Flora, REFLORA Program
    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
    • C All Rights Reserved
    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.
    • D Flora of North America Association
    World Flora Online consortium
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).