Greuter, W.R. in George, A.S. (ed.) (1989), Appendix: Urticaceae. Flora of Australia 3: 190 [tax. nov.]

• Type: "`Mesa' hills c. 12 km NW of Fowlers Gap, N.S.W., Sept. 1981, W.Greuter 18387; holo: B; iso: NSW."

• Etymology: "Named from the Greek kardia (heart) and stege (shelter) in reference to the involucral bracts of the female flowers."

Chew, W.-L. in George, A.S. (ed.) (1989), Urticaceae. Flora of Australia 3: 92, Fig. 42F-G, Map 183) APC [secondary reference]

• APC Dist.: WA, NT, SA, NSW, Vic, Tas

Harden, G.J. in Harden, G.J. (ed.) (1990), Urticaceae. Flora of New South Wales 1: 352 [secondary reference]

Gebauer, R. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Parietaria. Flora of Victoria 3: 88, Fig. 18m [secondary reference]

Harden, G.J. in Harden, G.J. (ed.) (2000), Urticaceae. Flora of New South Wales Revised Edition 1: 352 [secondary reference]

Barrett, Russell & Tay, Eng Pin (2016), Perth Plants: a Field Guide to the Bushland and Coastal Flora of Kings Park and Bold Park Edn. 2: 174-175, photos 13-15 [secondary reference]

common name: Native Pellitory [n/a]

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 80 [secondary reference]

Jessup, L.W. & Halford, J.J. in Brown, G.K. & Bostock, P.D. (ed.) (December 2020), Urticaceae. Census of the Queensland Flora: - [secondary reference]

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