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Chloris circumfontinalis (Poaceae): a recently discovered species from the saline scalds surrounding artesian springs in north-eastern Australia
- Source :
- Australian Systematic Botany.
- Publication Year :
- 2019
- Publisher :
- CSIRO Publishing, 2019.
-
Abstract
- The artesian springs of inland Australia are a unique habitat in what is otherwise an arid environment. They support a rich collection of endemic flora and fauna. Here, morphological and molecular data are employed to describe a new species, Chloris circumfontinalis Fahey & Fensham, endemic to artesian spring systems in central Queensland. A morphological ordination failed to distinguish this species from other Australian native flora, but the shape of the florets distinguishes it from the species with which it co-occurs. Phylogenies estimated from molecular data showed that the species represents a distinct lineage that may be sister to species of Chloris from outside Australia. Chloris circumfontinalis occurs only in the saline scalds that form around the springs, and population surveys at the two sites where it occurs indicated a threat status of Endangered under the IUCN Red List criteria.
- Subjects :
- 0106 biological sciences
education.field_of_study
Artesian aquifer
Ecology
Fauna
Population
Endangered species
Plant Science
Biology
biology.organism_classification
010603 evolutionary biology
01 natural sciences
Habitat
Chloridoideae
IUCN Red List
Ordination
education
Ecology, Evolution, Behavior and Systematics
010606 plant biology & botany
Subjects
Details
- ISSN :
- 10301887
- Database :
- OpenAIRE
- Journal :
- Australian Systematic Botany
- Accession number :
- edsair.doi...........1dabe67d133c5ea1ca45ddb13add933a