Sydney Australia, sansevieria ehrenbergii or sword sansevieria has leaves in two opposite rows (distichous), forming a sparse fan-shape Stock Photo - Alamy
Sansevieria ehrenbergii (Blue Sansevieria) - World of Succulents
Sansevieria Ehrenbergii 'Samurai Snake Plant' - Care Guide
Sansevieria robusta or Sansevieria ehrenbergii katana? | Flickr