Leucobryaceae

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Leucobryaceae
Leucobryum.glaucum.2.jpg
Leucobryum glaucum
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Division: Bryophyta
Class: Bryopsida
Subclass: Dicranidae
Order: Dicranales
Family: Leucobryaceae
Schimp.

Leucobryaceae is a family of haplolepideous mosses (Dicranidae) in the order Dicranales. [1] [2]

Description

Members of the family grow small to large cushions. Species are characterized by having thick, whitish leaves with a large, expanded costa. [3] It has been suggested that the characteristic pale color exhibited by some species is caused by air bubbles in the leucocysts, and the presence of air in the leaf is assumed characteristic of the Leucobryaceae. [4]

Classification

The Leucobryaceae have been sometimes included in the Dicranaceae because of similar costa and peristome structures. [3]

The number of genera assigned to the family has been subject to much debate and has ranged from one to fourteen. [3] [5] Some genera previous assigned to Leucobryaceae have been split off into the family Calymperaceae, while molecular analyses have led to other changes, with other genera from Dicranaceae included. [5]

The family currently includes twelve genera: [1] [2]

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Bartramiales is an order of moss.

<i>Leucobryum</i> Genus of haplolepideous mosses

Leucobryum is a genus of haplolepideous mosses (Dicranidae) in the family Leucobryaceae. The name comes from the Greek leukos, meaning white, and bryon, meaning moss.

<span class="mw-page-title-main">Ptychomitriaceae</span> Family of mosses

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<i>Octoblepharum</i> Genus of haplolepideous mosses

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<i>Saelania</i> Genus of mosses

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References

  1. 1 2 Goffinet, B.; Buck, W. R.; Shaw, A. J. (2008). "Morphology and Classification of the Bryophyta". In Goffinet, B.; Shaw, J. (eds.). Bryophyte Biology (2nd ed.). New York: Cambridge University Press. pp. 55–138. ISBN   978-0-521-87225-6.
  2. 1 2 Goffinet, B.; Buck, W.R. "Classification of extant moss genera". Classification of the Bryophyta. Retrieved 8 April 2020.
  3. 1 2 3 "Leucobryaceae in Flora of North America" . Retrieved 9 April 2020.
  4. ↑ Robinson, H. 1985. The structure and significance of the leucobryaceous leaf. Monogr. Syst. Bot. Missouri Bot. Gard. 11: 111-120. Robinson, H. 1990. A functional evolution of the Leucobryaceae. Trop. Bryol. 2: 223-237. Yamaguchi, T. 1993. A revision of the genus Leucobryum (Musci) in Asia. J. Hattori Bot. Lab. 73: 1-123.
  5. 1 2 Bonfim Santos, Marina; Stech, Michael (2017). "Testing hypotheses on suprageneric relationships and morphological evolution in the Leucobryaceae (Bryophyta)". Plant Systematics and Evolution. 303 (10): 1383–1397. doi: 10.1007/s00606-017-1459-y . ISSN   0378-2697.


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