Worldwide except Antarctica.
Genera ca. 13, species ca. 300 (6 genera, 29 species in the flora).
The Funariaceae is characterized by broad leaves, large, pale laminal cells, opposite peristomes, and the distinctive stomata. The majority of species are found in disturbed or open sites on bare soil. Many of the species are annuals or biennials, and some may be perennials. When sterile, only a few species have distinctive vegetative features that allow positive identification to genus or species level. Fortunately most are usually fertile and sporophytes are common, although seasonal.
|1||Calyptra large and four-angled, completely enclosing the mature capsule.||Pyramidula|
|1||Calyptra smaller than mature capsule, not angled or persistent||> 2|
|2||Capsules immersed||> 3|
|2||Capsules emergent or long-exserted||> 5|
|3||Capsules rupturing irregularly; exothecial cells delicate, thin-walled.||Physcomitrella|
|3||Capsules operculate; exothecial cells firm, thick-walled or collenchymatous||> 4|
|4||Exothecial cells collenchymatous; spores spiculose-papillose.||Aphanorrhegma|
|4||Exothecial cells not collenchymatous; spores papillose.||Physcomitrium|
|5||Capsules inclined and asymmetric; peristome double, endostome well developed to somewhat rudimentary.||Funaria|
|5||Capsules erect and more or less symmetric; peristome either single, rudimentary, or absent||> 6|
|6||Capsules sub-cylindric to narrowly pyriform; most exothecial cells oblong to oblong-linear, rarely isodiametric; calyptra cucullate.||Entosthodon|
|6||Capsules urn-shaped, broadly pyriform, to cupulate; operculum rostrate; most exothecial cells irregularly hexagonal, ± isodiametric; calyptra mitrate to irregularly mitrate, sometimes appearing cucullate.||Physcomitrium|