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15049.jpg from: https://www.calflora.org/app/taxon?crn=8779

Exploring the Fascinating World of Bruchia bolanderi Lesq. Moss

Introduction

Mosses are often overlooked, but they play crucial roles in ecosystems around the world. One particularly interesting species is Bruchia bolanderi Lesq., a small moss in the Bruchiaceae family. In this blog post, we’ll dive into the details of this fascinating plant.

Background

Bruchia bolanderi is named after Henry Nicholas Bolander, a 19th century botanist who collected the type specimen in California. It is classified in the Bryophyta division and Bryopsida class. This species is one of about 15 in the genus

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medium-42439.jpg from: https://plantdollar.com/plant/bruchia/

Bruchia.

Morphology and Identification

B. bolanderi is a tiny acrocarpous moss, meaning the sporophytes grow at the tips of the stems. The leaves are small, lanceolate, and have a strong midrib. The capsules are ovoid to ellipsoid and have a distinct peristome. Identifying this species requires microscopic examination of the leaves and sporophytes.

Global Distribution and Habitat

This moss has a limited distribution, found mainly in western North America from British Columbia to California. It grows in open, seasonally wet habitats like seeps, meadows, and along streams. B. bolanderi is able to tolerate the summer drought conditions common in its range.

Ecological Roles and Adaptations

Like other mosses, B. bolanderi plays important roles in its ecosystem:

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bruchia_fusca.jpg from: https://www.earth.com/plant-encyclopedia/Bryophytes/Bruchiaceae/bruchia-fusca/en/

  • Helps retain moisture and prevent erosion
  • Provides habitat for micro-organisms
  • Pioneers disturbed sites and aids succession

Its small size and ability to dry out and rehydrate allow it to thrive in its variable habitat. The spores are dispersed by wind, allowing the moss to colonize new areas.

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imagen1-1280×828.jpg from: https://www.conservacionvegetal.org/2021/11/01/bruchia-vogesiaca-un-musgo-que-juega-al-escondite/

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141880.jpg from: https://www.calflora.org/app/taxon?crn=14068

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Aulacomnium_palustre_Clark_Creek_Fen_Roseburg_Lumber_Co_MLenz_lg.jpg from: https://www.fs.usda.gov/wildflowers/beauty/California_Fens/diversity/mosses.shtml

Bruchia-vogesiaca-Wertacher-Hoernle-photo-by-Stefan-Gey.png

Bruchia-vogesiaca-Wertacher-Hoernle-photo-by-Stefan-Gey.png from: https://www.researchgate.net/figure/Bruchia-vogesiaca-Wertacher-Hoernle-photo-by-Stefan-Gey_fig3_352572937

Bruchia_vogesiaca_019C.JPG

Bruchia_vogesiaca_019C.JPG from: https://cisfbr.org.uk/Bryo/Cornish_Bryophytes_Bruchia_vogesiaca.html

Bruchia-vogesiaca-location-Wertacher-Hoernle-Habitus-leaves-capsule-with-calyptra-and.png

Bruchia-vogesiaca-location-Wertacher-Hoernle-Habitus-leaves-capsule-with-calyptra-and.png from: https://www.researchgate.net/figure/Bruchia-vogesiaca-location-Wertacher-Hoernle-Habitus-leaves-capsule-with-calyptra-and_fig4_352572937

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coss-section-for-web.jpg from: https://mosswalks.blogspot.com/2013/03/sterile-plueridium-subulatum.html

Trait Description
Lifeform Acrocarpous moss
Leaf shape Lanceolate
Capsule shape Ovoid to ellipsoid
Habitat Seasonally wet, open areas
Distribution Western North America

Conclusion

Bruchia bolanderi may be small, but it is a remarkable moss with unique adaptations. Studying species like this helps us appreciate the diversity and importance of bryophytes. What other secrets are hidden in the miniature world of mosses?