Hymenophyllum nephrophyllum


Hymenophyllum: Membranous leaf, from the Greek humen and phullon

Common Name(s)

Kidney fern, Konehu, Kopakopa, Raurenga

Current Conservation Status

2012 - Not Threatened

Conservation status of New Zealand indigenous vascular plants, 2012
The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2012 using the New Zealand Threat Classification System (NZTCS). This report includes a statistical summary and brief notes on changes since 2009 and replaces all previous NZTCS lists for vascular plants. Authors: Peter J. de Lange, Jeremy R. Rolfe, Paul D. Champion, Shannel P. Courtney, Peter B. Heenan, John W. Barkla, Ewen K. Cameron, David A. Norton and Rodney A. Hitchmough. File size: 792KB

Previous Conservation Status

2009 - Not Threatened
2004 - Not Threatened


Hymenophyllum nephrophyllum Ebihara et K.Iwats.



Flora Category

Vascular - Native

NVS Species Code


The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.

Structural Class



Trichomanes reniforme G.Forst.; Cardiomanes reniforme (G.Forst.) C.Presl


Endemic. New Zealand: North, South, Stewart and Chatham Islands


Coastal to montane. usually in dense forest but also found on boulders, rock falls, cliff faces and in some shrub land, and early stage successional forest. rarely in pine plantations.


Terrestrial or epiphytic fern forming extensive, interwoven creeping patches, Rhizomes long-creeping, much branched and/or interwoven. Stipes 50-250 mm long, very brittle, margins prominently winged. Fronds bright yellow-green to dark green, glossy. Laminae 30-100(-120) × 40-130 mm, reniform to almost orbicular, entire (not divided), venation conspicuous. Sori crowded along lamina margin, slightly sunken into lamina. Indusia cupular, not widened at mouth, receptacle exserted.

Similar Taxa



Not applicable - spore producing

Flower Colours

No Flowers


Not applicable - spore producing

Propagation Technique

Difficult - should not be removed from the wild


Not Threatened

Chromosome No.

2n = 72

Endemic Taxon


Endemic Genus


Endemic Family


Where to Buy

Not commercially available


Fact sheet prepared for NZPCN by P.J. de Lange (20 April 2011). Description adapted from Brownsey & Smith-Dodsworth (2000).

References and further reading

Brownsey, P.J.; Smith-Dodsworth, J.C. 2000: New Zealand Ferns and Allied Plants. Auckland, David Bateman

This page last updated on 12 Nov 2017