. . . . . . . . . "Asplenium trichomanes quadrivalens" . . "Asplenium ruta-muraria" . . "Cesar Pollo. 2014. Asplenium trichomanes quadrivalens associated species with names lookup Asplenium ruta-muraria. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1183815> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .