Pilotrichaceae

Pilotrichaceae
Callicostella belangeriana under 100x magnification.
Scientific classification
Kingdom:	Plantae
Division:	Bryophyta
Class:	Bryopsida
Subclass:	Bryidae
Order:	Hookeriales
Family:	Pilotrichaceae Kindb.
Genera
See Classification
Synonyms
Callicostaceae Callicostellaceae

Pilotrichaceae is a family of pleurocarpous mosses in Hookeriales. It includes 20 genera. ^[1] It is primarily tropical and epiphytic or epiphyllous. ^[2]

Description

Members of the family are characterized by a double costa, sometimes with hyalodermis, and no alar differentiation. Leaves are usually complanate and may by asymmetrical along the dorsal/ventral axis. Leaf margins are dentate to serrate, bordered or not, and often reduced. Laminal cells are isodiametric to linear and smooth to papillose. The sporophyte seta is long, but many other characters vary genus to genus. ^[3]

Classification

As reported by Tropicos and World Flora Online:

• Actinodontium Schwägr.
• Amblytropis Mitt. Broth.
• Brymela Crosby & B.H. Allen
• Callicostella (Müll. Hal.) Mitt.
• Callicostellopsis Broth.
• Crossomitrium Müll. Hal.
• Cyclodictyon Mitt.
• Diploneuron E.B. Bartram
• Eupilotrichum Müll. Hal.
• Helicoblepharum (Spruce ex Mitt.) Broth.
• Hemiragis (Brid.) Brid.
• Hypnella (Müll. Hal.) A. Jaeger
• Lepidopilidium (Müll. Hal.) Broth.
• Pilotrichum P. Beauv.
• Tachypodium Schimp.
• Thamniopsis (Mitt.) M. Fleisch.
• Trachyxiphium W.R. Buck

References

1. "World Flora Online". www.worldfloraonline.org. Retrieved 2024-09-14.
2. Atwood, John (August 2015). "TAXONOMIC REVISION OF THE MOSS GENUS LEPIDOPILIDIUM (PILOTRICHACEAE)". Annals of the Missouri Botanical Garden. 100 (4): 364. doi:10.3417/2014021 . Retrieved 14 September 2024.
3. de Freitas Vaz-Imbassahy, Thais; da Costa, Denise Pinheiro (Winter 2008). "The Pilotrichaceae (Hookeriales) of Rio de Janeiro, Brazil". The Bryologist. 111 (4): 555. doi:10.1639/0007-2745-111.4.551.