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Discover the Fascinating World of Ditrichum Cornubicum Paton Moss

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Ditrichum-cornubicum3-Des-Callaghan.jpg from: https://naturebftb.co.uk/ditrichum-cornubicum3-des-callaghan/

Discovering the Fascinating World of Ditrichum cornubicum Paton Moss

Introduction

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Ditrichum_cornubicum_076C.JPG from: https://cisfbr.org.uk/Bryo/Cornish_Bryophytes_Ditrichum_cornubicum.html

Mosses are often overlooked, but they play crucial roles in ecosystems around the world. One particularly interesting species is Ditrichum cornubicum Paton, a moss in the Ditrichaceae family. In this blog post, we’ll dive into the details of this fascinating plant, exploring its morphology, habitat, ecological roles, and more. Get ready to appreciate the wonders of

Three-main-soil-types-occupied-by-D-cornubicum-a-sandy-loam-derived-from-clinker-waste_Q320.jpg

Three-main-soil-types-occupied-by-D-cornubicum-a-sandy-loam-derived-from-clinker-waste_Q320.jpg from: https://www.researchgate.net/figure/Turf-of-Cornish-Path-moss-D-cornubicum-each-shoot-about-2-mm-tall-with-scattered_fig1_326000041

Ditrichum cornubicum Paton moss!

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moss-and-lichen.jpg from: https://www.oregonmetro.gov/events/moss-pacific-northwest/2019-05-11

Background on Ditrichum Mosses

The genus Ditrichum contains around 80 species of mosses found worldwide. They are small acrocarpous mosses, meaning they produce sporophytes at the tips of their stems.

nventory-of-bryophytes-present-in-habitat-management-plots-at-Phoenix-United-Mine_Q640.jpg

nventory-of-bryophytes-present-in-habitat-management-plots-at-Phoenix-United-Mine_Q640.jpg from: https://www.researchgate.net/publication/326000041_Status_conservation_and_ecology_of_the_exceptionally_rare_metallophyte_Cornish_Path-moss_Ditrichum_cornubicum_Paton

Ditrichum mosses typically have narrow, lance-shaped leaves in a tuft at the top of an unbranched stem. Many species grow on soil, rock, or rotten wood in various habitats.

Morphology and Identification

Ditrichum cornubicum Paton is a small moss, with stems reaching only 2-10 mm tall. Its leaves are lanceolate to linear-lanceolate in shape, 1-2 mm long, and have a long excurrent costa (midrib extending beyond the leaf tip). The leaf margins are plane or weakly recurved.
Identifying features of D. cornubicum include:

Global Distribution and Habitat

Ditrichum cornubicum Paton has a restricted global range. It is endemic to Cornwall, England where it was first discovered and described in 1965 by British bryologist E.C. Wallace. This moss has a very specific habitat, growing on copper-rich substrates in disused mines and mine spoil heaps. It tolerates the toxic conditions where few other plants can survive.

Ecological Roles and Adaptations

As a copper-moss, D. cornubicum plays an important role in the early stages of succession in its harsh, metalliferous habitat. It helps stabilize the toxic soil and contributes organic matter, paving the way for other species to eventually colonize the area.
To thrive in its extreme environment, D. cornubicum has developed several adaptations:

  • Tolerance of high copper concentrations in the substrate
  • Ability to accumulate copper in its tissues
  • Small size and clumping growth form to limit water loss
  • Specialized leaf anatomy to regulate uptake and transport of minerals

Conclusion

Ditrichum cornubicum Paton may be small, but it is a truly remarkable moss with a fascinating ecology. Its ability to survive where few other plants can is a testament to the resilience and adaptability of mosses. The next time you see some inconspicuous moss growing on a rock or log, take a closer look – you may be surprised at the incredible stories these tiny plants have to tell! What other secrets might the world of mosses hold?

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