Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"111780 - Cryptogramma crispa (L.) R. Br. ex Hook. var. acrostichoides (R. Br.) C. B. Clarke, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-16347. Accessed 08 Jul. 2024.