Camptosorus sibiricus Rupr. - Image of a small rock fern found from Central Siberia to the Pacific Coast. pisum.bionet.nsc.ru/kosterin/plants/plant1/camptosorus.htm
Walking Fern - Camptosorus rhizophyllus (L.) Link, one of the ferns of the District of Columbia (DC) area, synonym Asplenium rhizophyllum L. members.aol.com/palmferndc/ferns/walking.html
