Campylopus introflexus

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Campylopus introflexus
Campylopus introflexus detail.jpeg
Campylopus introflexus
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Division: Bryophyta
Class: Bryopsida
Subclass: Dicranidae
Order: Dicranales
Family: Leucobryaceae
Genus: Campylopus
Species:
C. introflexus
Binomial name
Campylopus introflexus
Synonyms

Dicranum introflexum Hedw.

World distribution Verdensudbredelse.png
World distribution

Campylopus introflexus, also known as the heath star moss, [1] is a species of moss. The first description of the species was made by Johannes Hedwig as Dicranum introflexum in 1801. [2]

Description

Individual plants measure 0.5–5 centimetres (0.20–1.97 in), with lanceolate leaves 4–6 mm (0.16–0.24 in). The costa is wide and occupies about half the leaf width. The plants are found in dense mats and extensive carpets and are yellowish to olive green. [3] They are acrocarpous and perennial. [4] Multiple sporophytes are often present in one plant. The seta are between 7 and 12 millimeters in length, and are yellowish brown to brownish. The capsules are brown and 1.5 millimeters long. It produces spores of 12–14 μm in size. [3]

This species will sometimes reproduce asexually by means of stem tips that break off and are distributed by the wind. Even whole cushions can be relocated by wind, animals, and humans to colonize new isolated or remote locations. Once established, they can cover several hundred square meters within ten years. [5]

In the Netherlands and in Belgium, it is called tankmos (tank moss) due to its likely spread by tanks during the Second World War. [6]

Habitat and distribution

It has a native southern hemisphere distribution in southern South America, southern part of Africa, southern and eastern Australia, and Atlantic and Pacific islands such as New Zealand, New Caledonia and the South Sandwich Islands.

It is a neophyte in Europe and coastal western North America. In some parts of Europe and North America the species has become mildly invasive, as it temporarily may have a negative and local impact on the diversity. It was first discovered in Britain in 1941, and its spread has been well documented since. In Europe alone, this species has spread in over a thousand-mile radius within the span of 70 years. This correlates to around a 14-mile extension of C. introflexus territory every year since its discovery. This does not include its introduction to the Faroe Islands in 1973, the United States in 1975, and British Columbia in 1994. [7] It currently ranges between approximately 35°N (California) [8] and 66°N (Iceland). [9]

Spread of Campylopus introflexus in Europe since 1954. Campylopus introflexus spread.png
Spread of Campylopus introflexus in Europe since 1954.

It can be found in a variety of settings, often in decalcified habitats such as bogs and dunes. It is a pioneer species found on bare peat after peat-cutting or on bare soils after burning or ploughing. It may also grow on rotting logs, old fence posts, roadsides, mining deposits, and roof shingles. [10]

Ecological effects

The effects of the spread of Campylopus introflexus have been well studied in the Netherlands. A 14-year study found that a lichen dominated grassland became overwhelmingly covered with dense mats of C. introflexus. However, this state was found to be only temporary, with lichens re-colonizing areas with 15–20 years. Studies have also shown that while these C. introflexus mats inhibit germination of Calluna vulgaris plants by up to 60%, seedlings germinated under the carpet grow quicker and mature faster. [7] Additionally, studies have shown C. introflexus can have faster vertical and horizontal growth, giving the species a larger photosynthetic canopy and ability to dominate over competing mosses. [11]

Since moss carpets add more humus to the soil, the soil ecology changes. Many fly species prefer the moister microclimate produced by C. introflexus to protect their larvae from desiccation, and they are found more often around the moss beds. However, species such as ground beetles and spiders are less active and found less often in the moss-encroached dunes, most likely due to a loss of food abundance. As a result, birds such as the tawny pipit which eat arthropods have disappeared from the mossy dunes. [7]

In Iceland, Campylopus introflexus is an invasive species. [12] It's found in multiple geothermal areas and most likely spreads with tourism. [13]

Taxonomy

Campylopus introflexus is closely related to Campylopus pilifer . [14] The name C. introflexus was used previously for C. pilifer, thus all old references for C. introflexus in North America must be referred to that species. [15]

Response to herbicide application

In a study of the effect of the herbicide Asulam on moss growth, Campylopus introflexus was shown to be tolerant to Asulam exposure. [16]

Related Research Articles

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References

  1. ↑ Edwards, Sean R. (2012). English Names for British Bryophytes. British Bryological Society Special Volume. Vol. 5 (4 ed.). Wootton, Northampton: British Bryological Society. ISBN   978-0-9561310-2-7. ISSN   0268-8034.
  2. ↑ "Dicranum introflexum in Bryophyte Flora of North America". Efloras.org. Retrieved 17 March 2022.
  3. 1 2 Jan-Peter Frahm (2002). "Campylopus". In Richard H. Zander (ed.). Bryophyte Flora of North America, volume 1.
  4. ↑ "Campylopus introflexus". Cabi.org. Retrieved 17 March 2022.
  5. ↑ Meulen, F. van der, Hagen, H. van der and Kruijsen, B. (1987). Campylopus introflexus. Invasion of a moss in Dutch coastal dunes. – Proceedings of the koninklijke Nederlandse Akademie van Wetenschcappen. Series C. Biological and Medical Sciences volume 90: pp. 73-80
  6. ↑ "Invasive Neophyten von der Schweiz Bis en die Tropen" (PDF). Neophyt.ch. Retrieved 17 March 2022.
  7. 1 2 3 Klinck, J. (2009). The alien invasive moss Campylopus introflexus- in the Danish coastal dune system. Master thesis, Department of Biology, Copenhagen University.
  8. ↑ Norris DH; Shevock JR, 2004. Contributions towards a bryoflora of California: I. A specimen-based catalogue of mosses. Madroño, 51:1-131.
  9. ↑ Weidema I, 2006. Invasive Alien Species Fact Sheet - Campylopus introflexus. Online Database of the North European and Baltic Network on Invasive Alien Species (NOBANIS). www.nobanis.org
  10. ↑ "Archived copy" (PDF). Archived from the original (PDF) on 2018-02-03. Retrieved 2018-11-17.{{cite web}}: CS1 maint: archived copy as title (link)
  11. ↑ Hugonnot, V. (2017). "Comparative investigations of niche, growth rates and reproduction between the native moss Campylopus pilifer and the invasive C. introflexus". Journal of Bryology. 39 (1): 79–84.
  12. ↑ "Invasive Plant Species". ni.is. Icelandic Institude of Natural History. Retrieved 13 March 2024.
  13. ↑ Wasowicz, Pawel; Vilmundardóttir, Olga. "Útbreiðsla hæruburstar Campylopus introflexus (Hedw.) Brid. á Íslandi – fyrsti áfangi" (PDF). Icelandic Institute of Natural History (in Icelandic). Icelandic Institute of Natural History. Retrieved 13 March 2024.
  14. ↑ Gama, Renato; Aguirre-Gutiérrez, Jesús; Stech, Michael (2017-10-01). "Ecological niche comparison and molecular phylogeny segregate the invasive moss species Campylopus introflexus (Leucobryaceae, Bryophyta) from its closest relatives". Ecology and Evolution. 7 (19): 8017–8031. doi:10.1002/ece3.3301. ISSN 2045-7758.
  15. ↑ "Campylopus introflexus in Flora of North America". Efloras.org. Retrieved 17 March 2022.
  16. ↑ Rowntree, J. K.; Lawton, K. F.; Rumsey, F. J.; Sheffield, E. (2003). "Exposure to Asulox Inhibits the Growth of Mosses". Annals of Botany. 92 (4): 547–556. doi:10.1093/aob/mcg166. PMC   4243670 . PMID   12933364.
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