https://bioone.org/journals/Evansia/volume-28/issue-3/079.028.0302/Brothera-leana-Sull-Müll-Hal-Dicranaceae-in-New-Mexico/10.1639/079.028.0302.full

image from: https://bioone.org/journals/Evansia/volume-28/issue-3/079.028.0302/Brothera-leana-Sull-Müll-Hal-Dicranaceae-in-New-Mexico/10.1639/079.028.0302.full

Introduction

http://azoresbioportal.uac.pt/pt/especies-dos-acores/chenia-leptophylla-11918/

image from: http://azoresbioportal.uac.pt/pt/especies-dos-acores/chenia-leptophylla-11918/

In the vast and captivating world of bryophytes, the Piloecium pseudorufescens (Hampe) Müll.Hal. moss stands out as a fascinating member of the

https://www.gbif.org/es/species/9415978

image from: https://www.gbif.org/es/species/9415978

Sematophyllaceae family. Often referred to simply as Piloecium, this unassuming yet remarkable moss has captured the interest of enthusiasts and researchers alike. Let’s delve into the intriguing realm of this bryophyte and uncover its secrets.

Background

Before we explore the specifics of Piloecium pseudorufescens, it’s essential to understand the broader context of mosses. These diminutive plants belong to the division

https://www.researchgate.net/figure/Morphological-features-of-Braunia-squarrulosa-Hampe-Muell-Hal-in-Mexico-A-branch_fig5_355881190

image from: https://www.researchgate.net/figure/Morphological-features-of-Braunia-squarrulosa-Hampe-Muell-Hal-in-Mexico-A-branch_fig5_355881190

Bryophyta, which encompasses a diverse array of non-vascular plants known as bryophytes. Within this division, the class Bryopsida encompasses the true mosses, including our subject of interest.

Main Content

Morphology and Identification

Piloecium pseudorufescens is a pleurocarpous moss, meaning its stems and branches grow horizontally along the substrate. Its slender, creeping stems are adorned with delicate, ovate-lanceolate leaves that exhibit a distinctive reddish-brown hue. This coloration, along with the presence of a single costa (midrib) and the absence of a leaf border, serves as a key identifying feature.

Global Distribution and Habitat

This moss species boasts a widespread distribution, thriving across various regions of the world. It can be found in temperate and tropical areas, often inhabiting moist, shaded environments such as rotting logs, tree trunks, and damp soil. Piloecium pseudorufescens is particularly fond of old-growth forests, where it contributes to the intricate tapestry of biodiversity.

Ecological Roles and Adaptations

Despite its diminutive stature, Piloecium pseudorufescens plays a crucial role in its ecosystem. As a pioneer species, it aids in the colonization of new habitats, paving the way for other organisms to thrive. Additionally, its ability to retain moisture and create microhabitats makes it an invaluable component of the forest floor, providing shelter and sustenance for a myriad of tiny creatures.
One of the remarkable adaptations of

https://www.researchgate.net/figure/Morphological-features-of-Braunia-squarrulosa-Hampe-Muell-Hal-in-Mexico-A-branch_fig5_355881190

image from: https://www.researchgate.net/figure/Morphological-features-of-Braunia-squarrulosa-Hampe-Muell-Hal-in-Mexico-A-branch_fig5_355881190

Piloecium pseudorufescens is its tolerance for desiccation. During periods of drought, this moss can enter a state of dormancy, reviving itself once favorable conditions return. This resilience allows it to persist in challenging environments and contributes to its widespread distribution.

Case Studies/Examples

In a recent study conducted in the Pacific Northwest region, researchers discovered that Piloecium pseudorufescens played a crucial role in the recovery of forest ecosystems following disturbances such as wildfires or logging. Its ability to rapidly colonize disturbed areas and create a suitable microclimate facilitated the establishment of other plant species, accelerating the process of ecological succession.

https://www.gbif.org/es/species/2673552

image from: https://www.gbif.org/es/species/2673552

https://www.researchgate.net/figure/Fissidens-serratus-MuellHal-A-Habit-B-Plant-C-D-Leaves-E-Perichaetial-leaf-F-G_fig8_351104512

image from: https://www.researchgate.net/figure/Fissidens-serratus-MuellHal-A-Habit-B-Plant-C-D-Leaves-E-Perichaetial-leaf-F-G_fig8_351104512

Technical Table

https://www.researchgate.net/figure/a-m-In-vitro-growth-of-Entodon-macropodus-Hedw-Muell-Hal-a-Germinated-spores-b-c_fig1_269775914

image from: https://www.researchgate.net/figure/a-m-In-vitro-growth-of-Entodon-macropodus-Hedw-Muell-Hal-a-Germinated-spores-b-c_fig1_269775914

https://www.gbif.org/es/species/9415978

image from: https://www.gbif.org/es/species/9415978

https://www.semanticscholar.org/paper/The-complete-mitochondrial-genome-of-an-Antarctic-Min-Sulaiman/616d37885f8b40112ec6294d267507de7de452ee/figure/0

image from: https://www.semanticscholar.org/paper/The-complete-mitochondrial-genome-of-an-Antarctic-Min-Sulaiman/616d37885f8b40112ec6294d267507de7de452ee/figure/0

Characteristic Description
Phylum Bryophyta
Class Bryopsida
Order Hypnales
Family Sematophyllaceae
Genus Piloecium
Species pseudorufescens
Growth Form Pleurocarpous
Leaf Shape Ovate-lanceolate
Leaf Color Reddish-brown
Costa Single
Leaf Border Absent

Conclusion