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Entodon-concinnus-2-1208.jpg from: https://www.britishbryologicalsociety.org.uk/learning/species-finder/entodon-concinnus/

Introduction

In the vast and captivating world of bryophytes, the Entodon concinnus (De Not.) Paris moss stands out as a remarkable species within the Entodontaceae family. Often referred to simply as Entodon, this unassuming yet fascinating moss has captured the hearts of enthusiasts worldwide with its unique characteristics and ecological significance.

Background

Before delving into the intricacies of this moss, it’s essential to understand its taxonomic classification. Entodon concinnus belongs to the phylum Bryophyta, which encompasses all mosses, liverworts, and hornworts. Within this phylum, it is part of the class Bryopsida, commonly known as the true mosses.

Main Content

Morphology and Identification

Entodon concinnus is a pleurocarpous moss, meaning its stems grow horizontally along the substrate. Its slender, creeping stems are adorned with delicate, ovate-lanceolate leaves that curve inward, creating a distinctive concave appearance. The leaves are typically

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189171.jpg from: https://inpn.mnhn.fr/espece/cd_nom/5939

yellowish-green to golden-brown in color, with a glossy sheen that catches the eye.
One of the most striking features of this moss is its double-toothed leaf margins, which are visible under magnification. This characteristic, along with its spirally twisted leaves, makes Entodon concinnus

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e_concinnus.jpg from: https://wnmu.edu/academic/nspages/gilaflora/entodon_concinnus.html

relatively easy to identify among its bryophyte brethren.

Global Distribution and Habitat

Entodon concinnus is widely distributed across various regions of the world, including Europe, Asia, North America, and parts of Africa. It thrives in a diverse range of habitats, from moist and shaded forests to rocky outcrops and even urban environments.
This moss is particularly fond of growing on the bark of trees, logs, and stumps, where it forms dense, velvety mats. Its ability to colonize a variety of substrates, including rocks and soil, further contributes to its widespread distribution.

Ecological Roles and Adaptations

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Entodon_concinnus_IMG_7042.jpg from: https://de-academic.com/dic.nsf/dewiki/2345649

Despite its diminutive size, Entodon concinnus plays a crucial role in its ecosystem. As a pioneer species, it helps in the initial stages of soil formation and provides a suitable microhabitat for other organisms, such as invertebrates and fungi.

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24095394.jpg from: https://waarneming.nl/foto/view/24095394

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622371d43f556.jpg from: https://botanique24.fr/fr/portfolio-97423-mousses


One of the remarkable adaptations of this moss is its ability to withstand desiccation. During dry periods, it can curl up its leaves and enter a dormant state, only to revive and continue its growth when moisture returns. This resilience allows Entodon concinnus to thrive in environments with fluctuating moisture levels.

Case Studies/Examples

In a study conducted in the Pacific Northwest region of North America, researchers found that Entodon concinnus was one of the most abundant moss species in old-growth forests. Its presence was closely linked to the availability of decaying logs and stumps, highlighting its preference for these substrates.

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677b1b6a-ca7b-449a-807b-05229df3923c.jpg from: https://www.naturbasen.dk/art/17922/silket-kridtmos


Another interesting example comes from urban areas, where Entodon concinnus has been observed growing on the bark of street trees and even on concrete surfaces. This adaptability demonstrates the moss’s ability to colonize human-modified environments, making it a valuable indicator of air quality and urban biodiversity.

Technical Table

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entodon_concinnus_habitus.jpg from: https://nafoku.de/flora/htm/entodon_concinnus_habitus.htm

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Characteristic Description
Phylum Bryophyta
Class Bryopsida
Family Entodontaceae
Genus Entodon
Species Entodon concinnus (De Not.) Paris
Growth Form Pleurocarpous moss
Leaf Shape Ovate-lanceolate, curved inward
Leaf Margin Double-toothed
Leaf Color Yellowish-green to golden-brown
Habitat Bark of trees, logs, stumps, rocks, soil
Distribution Europe, Asia, North America, Africa

Conclusion

The Entodon concinnus (De Not.) Paris moss, or simply Entodon, is a remarkable species that deserves recognition and appreciation from moss enthusiasts and naturalists alike. Its unique morphological features, widespread distribution, and ecological significance make it a fascinating subject of study.
As you explore the world of bryophytes, take a moment to appreciate the intricate beauty and resilience of this unassuming moss. Who knows what other wonders await discovery in the intricate tapestry of nature’s smallest inhabitants?

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entodon_concinnus_verzweigung.jpg from: https://nafoku.de/flora/htm/entodon_concinnus_verzweigung.htm


Ponder this: In a world where size often dictates importance, what lessons can we learn from the humble yet remarkable Entodon concinnus?