Allosorus acrosticus | UAE National Red List of Vascular Plants

Taxa
Allosorus acrosticus | (Balb.) Christenh.
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
Taxonomic Notes
This is an allotetraploid species derived from the hybridisation between A. pteridioides and A. persicus.
Taxon distribution as listed in assessment
In the UAE, this species is common in the Ru'us al-Jibal to c. 1,900 m asl (Feulner 2011, Rothfels et al. 2012). There are scattered records to the south from the Hajar Mountains, including a record from the upper part of Wadi Siji in the Wadi Wurayah National Park buffer zone (WWNP; Feulner 2016). D. Aplin (pers. comm. 2020) found a new southern record for the species in the UAE, from Ra's al Khaimah, west of Al Hayl. Rothfels et al. (2012) record numerous records of the species from adjacent parts of the Musandam Peninsula. Globally, this is a mostly Mediterranean species, extending from Cape Verde across North Africa and southern Europe to Greece, through the Arabian Peninsula, along the northern Black Sea coast and into Kazakhstan and northern India.
Habitats and Ecology
Ecological system type
Terrestrial system
No
Freshwater system
No
Marine system
No
Habitat
Habitat details as listed in assessment
In the Ru'us al-Jibal, it is found in the shelter of boulders to c. 1,900 m asl (Feulner 2011).
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 occurs in the Ru'us al-Jibal within the UAE. It is not thought to be facing any widespread threats and its population trend is likely stable. Therefore, it 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
There are no widespread threats.
Conservation Measures

Conservation measures:
Conservation measures notes:
Required conservation measures:

Scientific Name Kingdom Phylum Class Order Family Genus
Allosorus acrosticus Plantae Tracheophyta Polypodiopsida Polypodiales Pteridaceae Allosorus