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Scleropodium%2Btouretii%2B1%2BGelli-lwyd%2B06052018.JPG from: https://southwalesbryos.blogspot.com/2018/05/a-2-scleropodium-day.html

Exploring the Fascinating World of Epipterygium convalleum Dusén Moss

Introduction

Mosses are often overlooked, but they play crucial roles in ecosystems around the world. One particularly interesting species is Epipterygium convalleum Dusén, a moss in the Mniaceae family. In this blog post, we’ll dive into the details of this fascinating plant, from its morphology to its ecological importance. Get ready to discover the hidden world of Epipterygium!

Background

Mosses are non-vascular plants in the division

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Anthoceros_punctatus_003C.JPG from: https://cisfbr.org.uk/Bryo/Cornish_Bryophytes_Hornworts.html

Bryophyta. They lack true roots, stems, and leaves, instead having structures that serve similar functions. Mosses reproduce via spores rather than seeds and are found in a wide range of habitats worldwide. Epipterygium convalleum Dusén is one of over 12,000 known moss species.

Morphology and Identification

Epipterygium convalleum Dusén has several distinguishing features:

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379885.jpg from: https://inpn.mnhn.fr/espece/cd_nom/5780

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Ephemerum-cohaerens1-750×500.jpg from: https://ohiomosslichen.org/moss-ephemerum-cohaerens/

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il_1588xN.3083640061_czq2.jpg from: https://www.etsy.com/de/listing/992861666/brocade-moss-hypnum-imponens-live-moss

  • Leaves are oblong-lanceolate and have a rounded to acute apex
  • Leaf margins are entire (smooth-edged)
  • Leaves have a strong costa (midrib) that extends to near the apex
  • Capsules are inclined to pendulous and cylindrical

With a hand lens, the leaf cells are visible and have a hexagonal shape. Knowing these key characteristics allows Epipterygium convalleum Dusén to be identified in the field.

Global Distribution and Habitat

Epipterygium convalleum Dusén has a wide distribution, being found in:

  • Europe
  • Asia
  • North America
  • Central and South America
  • Africa

This moss grows on soil, rocks, logs, and tree bases in forests. It prefers shaded, moist habitats and is often found along streams or in ravines. The ability to tolerate low light levels allows Epipterygium to thrive in the understory.

Ecological Roles and Adaptations

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Diphyscium+foliosum+05mar14+(1sa).jpg from: https://goweros.blogspot.com/2014/04/an-odd-moss-on-pavement-in-caerau.html

Like other mosses, Epipterygium convalleum Dusén plays important ecological roles:

  • Helps retain moisture in the soil
  • Provides habitat for micro-organisms and small invertebrates
  • Pioneers the colonization of bare substrates
  • Contributes to nutrient cycling as it grows and decomposes

Epipterygium has several adaptations that allow it to be successful:

  • Leaves have concave bases that help channel water to the stem
  • Rhizoids anchor the moss and absorb water and nutrients
  • Spores are wind-dispersed, enabling colonization of new areas
  • Desiccation tolerance allows survival during dry periods

These adaptations showcase how Epipterygium convalleum Dusén is well-suited to its forest understory niche.

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EPIPTERIGIUMN.%2BN.jpg from: https://plantasdepuertorico.blogspot.com/2017/01/musgos-bryaceae-epipterygium.html

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hypnum-imponens-tray-ecomm-via-mountainmoss.png from: https://www.familyhandyman.com/list/moss-to-grow-in-your-yard/

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18A8101BC8AF48C2BCE1851F6AE21D95.jpeg from: https://www.picturethisai.com/id/wiki/Epipterygium_tozeri.html

Characteristic Description
Division Bryophyta
Class
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medium.jpg from: https://www.inaturalist.org/taxa/1030344-Epipterygium-wrightii

Bryopsida
Family Mniaceae
Genus Epipterygium
Species E. convalleum Dusén
Leaf Shape Oblong-lanceolate
Leaf Apex Rounded to acute
Leaf Margins Entire
Costa Strong, extending near apex
Capsule Orientation Inclined to pendulous
Capsule Shape Cylindrical

Conclusion

Epipterygium convalleum Dusén is a prime example of how mosses, though small, have complex morphologies and important ecological functions. From its distinguishing leaf and capsule characteristics to its roles in moisture retention and habitat provision, this species showcases the incredible diversity of the Bryophyta.
The next time you’re walking through the forest, take a closer look – you might just spot some Epipterygium making its home on a log or rock! What other mosses can you find thriving in the understory? Happy exploring!