It is currently (2017) declared "At Risk - Declining" under the New Zealand Threatened species system, with the qualifier C(1) implying that there are greater than 10000 mature individuals with an expected decline of from 10% to 70%, and with an area of occupancy which is less than 10,000 ha which is expected to decline by from 10% to 50%.
References
12Lange, Peter J. de; Rolfe, Jeremy R.; Barkla, John W.; Courtney, Shannel P.; Champion, Paul D.; Perrie, Leon R.; Beadel, Sarah M.; Ford, Kerry A.; Breitwieser, Ilse; Schönberger, Ines; Hindmarsh-Walls, Rowan (2018-05-01). "Conservation status of New Zealand indigenous vascular plants, 2017"(PDF). New Zealand Threat Classification Series. 22: 34. OCLC1041649797. Archived(PDF) from the original on 2021-09-04. Retrieved 2021-07-02.