Scanning electron micrographs of spore and stomata of A. alatulum, A. subcrenatum and A. wrightii A–F A. wrightii G–I A. subcrenatum J–L A. alatulum.

 
 
  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