Classification
 Nomenclature
Scientific Name:
Carex lessoniana Steud., Nomencl. Bot. [Steudel], ed. 2., 1, 292 (1840)
Vernacular Name(s):
Rautahi; Toetoe rautahi
 Description

Robust, rhizomatous, to 1.5 m high. Female spikes in twos, threes or occasionally fives at each inflorescence-node, red-brown, on often short peduncles. Utricles 3–3.5 mm long, easily punctured, beak minute. Stigmas 2.

[From: Healy and Edgar (1980) Flora of New Zealand. Volume 3.]

 Biostatus
Indigenous (Endemic)
 Bibliography
de Lange, P.J.; Gosden, J.; Courtney, S.P.; Fergus, A.J.; Barkla, J.W.; Beadel, S.M.; Champion, P.D., Hindmarsh-Walls, R.; Makan, T.; Michel, P. 2024: Conservation status of vascular plants in Aotearoa New Zealand, 2023. New Zealand Threat Classification Series. No. 43. [Not threatened]
de Lange, P.J.; Rolfe, J.R.; Barkla J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.N.; Ford, K.A.; Breitwieser, I.; Schönberger, I.; Hindmarsh-Walls, R.; Heenan, P.B.; Ladley, K. 2018: Conservation status of New Zealand indigenous vascular plants, 2017. New Zealand Threat Classification Series. No. 22. [Not Threatened]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [Not Threatened]
Steudel, E.G. 1840: Nomenclator botanicus. Editio secunda. Vol. 1. typis et sumptibus J.G. Cottae, Stuttgartiae, Tubingae.