Asplenium alatulum A Habitat and habit B Portion of lamina showing adaxial view of pinna C Portion of lamina showing abaxial view of pinna D Adaxial view of upper portion of lamina E Lower portion of rachis showing wide lateral wings.

 
 
  Part of: Xu K-W, Wang L-L, Zhang L-B (2021) Taxonomic revision of the Asplenium wrightii complex (Aspleniaceae) with reinstatement of A. alatulum and A. subcrenatum. PhytoKeys 172: 75-91. https://doi.org/10.3897/phytokeys.172.62511