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Discover the Enigmatic World of Cyclodictyon angustirete Herzog Moss

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urn:cambridge.org:id:binary-alt:20170612133003-16485-optimisedImage-S0022336017000075_fig3g.jpg from: https://www.cambridge.org/core/journals/journal-of-paleontology/article/first-ordovician-cyclocystoid-echinodermata-from-gondwana-and-its-morphology-paleoecology-taphonomy-and-paleogeography/2ABADE43428E51F86A9BD16E0D568190

Exploring the Fascinating World of Cyclodictyon angustirete Herzog Moss


Mosses are often overlooked, but they play crucial roles in ecosystems around the world. One particularly interesting species is Cyclodictyon angustirete Herzog, a moss in the Pilotrichaceae family. Also known simply as Cyclodictyon, this moss has some unique characteristics worth exploring. In this blog post, we’ll dive into the details of Cyclodictyon angustirete Herzog moss.



large.jpeg from: https://www.inaturalist.org/observations/136042986

Mosses are non-vascular plants in the division 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. The class Bryopsida contains many of the mosses you’re likely familiar with.

Morphology and Identification

Cyclodictyon angustirete Herzog is a pleurocarpous moss, meaning it has a branching, mat-forming growth habit. Its stems can reach 2-3 cm long. The leaves are ovate-lanceolate in shape, 0.8-1.2 mm long, and have a single costa (midrib) that extends 1/2 to 3/4 the length of the leaf. Leaf margins are entire (smooth-edged).
Identifying Cyclodictyon to species requires microscopic examination of the leaf cells. In C. angustirete, the median leaf cells are linear and 30-40 μm long. The alar cells (cells at the leaf base corners) are subquadrate and thick-walled.


2019-07-30-15-37-31.jpg from: https://www.britishbryologicalsociety.org.uk/learning/species-finder/cyclodictyon-laetevirens/

Global Distribution and Habitat

Cyclodictyon angustirete Herzog has a pantropical distribution, found in tropical regions around the world. Some locations where it has been documented include:

This moss typically grows on tree trunks, branches, logs, and rocks in humid montane forests at elevations of 500-2500 meters. It prefers shaded habitats with high moisture availability.

Ecological Roles and Adaptations

Like other mosses, Cyclodictyon plays important roles in its forest ecosystems:

Cyclodictyon has adaptations for its humid forest habitat:

  • Pleurocarpous growth: The branching growth habit maximizes surface area for moisture and nutrient absorption.
  • Leaf costa: The partial costa helps transport water and nutrients through the leaf.
  • Thick-walled alar cells: These help the leaves remain firm and maintain their shape when dry.


Cyclodictyon angustirete Herzog is a fascinating pantropical moss with specialized adaptations for its humid forest habitat. From its microscopic leaf details to its ecological roles, this small but mighty plant demonstrates the incredible diversity of the bryophytes. Next time you’re in a tropical montane forest, take a closer look – you just might spot a patch of Cyclodictyon! What other secrets of the forest floor are waiting to be discovered?


770d38ce666cf62f3e496ac3ab4f5e43–south-australia-fossil.jpg from: https://www.pinterest.cl/pin/852869248166001209/


Telaranea-coactilis-Spruce-JJEngel-GLMerr-part-of-shoot-dorsal-view-from-T_Q320.jpg from: https://www.researchgate.net/figure/Telaranea-coactilis-Spruce-JJEngel-GLMerr-part-of-shoot-dorsal-view-from-T_fig2_356561772

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