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Rosulabryum billardieri
[edit]Rosularyum billardierei, is a species of moss in the familiy Bryaceae. The Genus was previously placed under Bryum and thus the species was previously referred to as Bryum billardieri. The species is often found growing in cushions or short tufts in a variety of habitats ranging from dry forests, alpine regions to urban areas[1], in temperate to subtropical regions of the Southern Hemisphere[2].
| Rosulabryum billardierei | |
|---|---|
| |
| Scientific classification | |
| Phylum: | Bryophyta
|
| Class: | Bryosida
|
| Subclass: | Bryidae
|
| Superorder: | Bryanae
|
| Order: | Bryales
|
| Family: | Bryaceae
|
| Genus: | Rosulabryum
|
| Species: | billardierei
|
| Binomial name | |
| Rosulabryum billardierei | |
Description & Habitat
[edit]R. billardieri is a dioicous moss which produces erect, short stems with spirally arranged, spreading leaves which appear as neat rosettes when viewed above[3]. It is a wide spread species found sporadically in rainforest margins, growing on rocks, logs, and soils. [3]
Growing up to 6cm in height, is often found in small clumps at the base or in the shade of smaller plants[4]. Stems simple or repeatedly branched 10-60mm tall with a brown tomentum towards base, with red-brown rhizoids [5]. Unbrached stems are crowned with a tuft of leaves with progressively smaller ones below[4].The leaves are mostly obovate and rosulate, with the upper leaf boarder narrow (1-3 layers), not hyaline[2]. Leaves are wide spreading or erect when moist and when dry appear contorted and twisted around leaf apex[5].
Due to its dioicous nature, it is possible to find groups of plants close together, some with a distinctive sporophyte which ends in a cylindrical capsule pointing down from the top of a hooked seta (stalk), and some without [4].
Distribution
[edit]There has been evidence of R. billardieri found widespread throughout the Southern Hemisphere including; Tasmania, WA, SA, QLD, ACT, NSW, Lord Howe Island, Norfolk Island, New Zealand, and even as far as Papua New Guinea [5][6]. Often common in wet sclerophyll forest, rainforest, woodlands, coastal vegetation and near streams. [6] Its occurrence and distribution continues to be monitored. [7]
History
[edit]The genus Rosulabryum comprises the rosulate species of Bryum. The genus includes 75-100 species, 14 of which are occur in Australia (five are endemic). [8]
Taxonomy
[edit]Rosulabryum , in reference to the leaves being clustered in rosette's. From the Latin Rosula (a rosette) and the Greek bryon (a moss). The genus comprises of the rosulate species of Bryum[9].
Taxonomy of the Bryaceae is in a constant state of flux and is extremely variable [10]. In Tasmania, Rosulabryum is represented by 7 species, with the genus previously placed under Bryum.[1]
References
[edit]- ^ a b "Key to Tasmanian Dicots". www.utas.edu.au. Retrieved 2024-03-28.
- ^ a b Spence and Ramsay, John R and Helen P (3/2/1999). "Three new species of Rosulabrum (Bryopsida Bryaceae) from Australia".
{{cite journal}}: Check date values in:|date=(help); Cite journal requires|journal=(help) - ^ a b Jarman & Fuhrer, S.J & B.A (1995). Mosses and liverworts of rainforests in Tasmania and south-eastern Australia. CSIRO Australia and Forestry Tasmania.
- ^ a b c Steel, John. "New Zealand Regional Botanical Society Journals" (PDF). New Zealand Regional Botanical Society Journals. Retrieved 2024-03-28.
- ^ a b c "VicFlora: Rosulabryum billarderi". vicflora.rbg.vic.gov.au. Retrieved 2024-03-28.
- ^ a b Australia, Atlas of Living. "Species: Rosulabryum billardierei". bie.ala.org.au. Retrieved 2024-03-28.
- ^ Australia, Atlas of Living. "Species: Rosulabryum billardierei". bie.ala.org.au. Retrieved 2024-03-28.
- ^ Spence and Ramsay, John R, and Helen P. "Rosulabryum" (PDF).
{{cite journal}}: Cite journal requires|journal=(help)CS1 maint: multiple names: authors list (link) - ^ Australian National Botanic Gardens, Parks Australia. "Australian National Botanic Gardens - Australian Mosses". www.anbg.gov.au. Retrieved 2024-03-28.
- ^ "Key to Tasmanian Dicots". www.utas.edu.au. Retrieved 2024-03-28.