Sphaerocarpales is an
order
Order, ORDER or Orders may refer to:
* A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
...
of plants within the
liverwort
Liverworts are a group of non-vascular land plants forming the division Marchantiophyta (). They may also be referred to as hepatics. Like mosses and hornworts, they have a gametophyte-dominant life cycle, in which cells of the plant carry ...
s. Approximately twenty
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
are in this order which is sub-divided into four
families
Family (from ) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictability, structure, and safety as ...
:
Monocarpaceae,
Sphaerocarpaceae and
Riellaceae, as well as the extinct family
Naiaditaceae. The inclusion of the Naiaditaceae is uncertain, and the family has sometimes been assigned to the
Calobryales.
Classification
Living taxa and species count based on Söderström et al. 2016 and synonyms from ''Collection of genus-group names in a systematic arrangement''.
*
Monocarpaceae D.J.Carr ex Schelpe 1969
** ''
Monocarpus ''
D.J.Carr 1956 non Post & Kuntze 1903 'Carrpos'' Proskauer 1961
*
Riellaceae Engl. 1892
** ''
Austroriella''
Cargill & J.Milne2013
** ''
Riella''
Mont. 1852 'Duriaea'' Bory De St. Vincent & Montagne 1843 non Durieua Merat 1829; ''Maisonneuvea'' Trevisan 1877; ''Duriella'' Bory de St. Vincent ex Billot 1861(about 18 spp.)
*
Sphaerocarpaceae Heeg 1891
** ''
Geothallus''
Campb. 1896 'Geocarpus'' Goebel 1915 non Kinkelin 1884(1 species)
** ''
Sphaerocarpos''
Boehm. 1760 non Gmelin 1791 'Sphaerocarpus'' (sic) Adanson 1763(8 or 9 spp.)
* †
Naiaditaceae Schuster 1980 nominum invalidum
** †''
Naiadita lanceolata''
Brodie 1845
References
External links
*
*
Liverwort orders
{{Bryophyte-stub