↑McKenzie, E.H.C.; Johnston, P.R., 2004Puccinia embergeriae sp. nov. on Chatham Islands sow thistle (Embergeria grandifolia) and a note on Miyagia pseudosphaeria on sow thistles (Sonchus spp.) in New Zealand In: N.Z. Jl Bot. 42(4):657–661
↑ 2.02.1Roskov Y., Kunze T., Paglinawan L., Orrell T., Nicolson D., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Hernandez F., De Wever A. (red) (2013). "Species 2000 & ITIS Catalogue of Life: 2013 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 8 Septyembre 2013.CS1 maint: multiple names: authors list (link)