"Genus: Pellaea Link". Germplasm Resources Information Network. United States Department of Agriculture. 2007-10-05. Archived from the original on 22 October 2012. Retrieved 2011-11-05.
"Genus: Pellaea Link". Germplasm Resources Information Network. United States Department of Agriculture. 2007-10-05. Archived from the original on 22 October 2012. Retrieved 2011-11-05.
"Genus: Pellaea Link". Germplasm Resources Information Network. United States Department of Agriculture. 2007-10-05. Archived from the original on 22 October 2012. Retrieved 2011-11-05.
"Genus: Pellaea Link". Germplasm Resources Information Network. United States Department of Agriculture. 2007-10-05. Archived from the original on 22 October 2012. Retrieved 2011-11-05.
worldplants.de
Hassler, Michael (5 December 2021), "Pellaea", World Ferns.