Onychium divaricatum | UAE National Red List of Vascular Plants

Taxa
Onychium divaricatum | (Poir.) Alston
Publication
UAE National Red List of Vascular Plants
Location
Countries in Assessment
United Arab Emirates
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Off
Scope (Assessment)
National
Taxon
Taxonomic Group
Plants
Taxonomic Group Level 2
Ferns and Allies
Assessed taxon level
Species
Taxon distribution as listed in assessment
In the UAE, this species is widespread in the Hajar Mountains and the Ru'us al-Jibal from c. 200 m asl (Jongbloed et al. 2003) to at least 1,100 m (Feulner 2011). Records include Wadi Shih and Wadi Hayl (Khor Fakhan; Aspinal et al. 1995), and it occurs in Wadi Wurayah National Park (Feulner 2016), south to Wadi Hatta. Globally, this species occurs from north-east Africa and throughout the Arabian Peninsula, to Iran (Board of Trustees, RBG Kew 2018).
Habitats and Ecology
Ecological system type
Terrestrial system
No
Freshwater system
No
Marine system
No
Habitat
Habitat details as listed in assessment
This plant is perennial with rhizomes and can grow up to 0.15 m (Jongbloed et al. 2003). In the UAE, this plant occurs in silt at all elevations, in shade, often in shelter of boulders and in rock crevices in mountains (Jongbloed et al. 2003, Feulner 2011, 2016).
Is there a map available in assessment?
Yes
Assessed status
Asessment status in full
Least Concern
Assessment status abreviation
LC
Assessment rationale/justification
The species is widespread and common in the mountains of the UAE, and is assessed as Least Concern.
About the assessment
Assessment year
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Affliation of assessor(s)/contributors/reviewers listed on assessment
Government
IGO
Assessor affiliation specific
Government|IGO
Criteria system
Criteria system specifics
IUCN v3.1 + Regional Guidelines v4.0
Criteria system used
IUCN
Criteria Citation
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Endemism
Endemic to region
Not_assigned
Endemism Notes
Is an endemic?: Not_assigned
Conservation
Threats listed in assessment
Localised impacts from development are likely, but there are no known widespread threats.
Conservation Measures

Conservation measures:
Conservation measures notes:
Required conservation measures:

Scientific Name Kingdom Phylum Class Order Family Genus
Onychium divaricatum Plantae Tracheophyta Polypodiopsida Polypodiales Pteridaceae Onychium