NZTCS 2025 Mosses Assessment
The data supporting the 2025 NZTCS assessment of mosses has been published on the NZTCS database at nztcs.org.nz/reports/1155. A report is being prepared that analyses and discusses the assessments and will be published by the Department of Conservation in the New Zealand Threat Classification Series.
This is the first complete assessment of all known species of mosses found in the wild in Aotearoa New Zealand with a total of 560 species being assessed. The conservation status of mosses, published today in the NZTCS database, replaces all previous assessments of mosses.
In summary,
NUMBER OF SPECIES PER NZTCS CATEGORIES STATUS CHANGE
· 36 species are Threatened
· 156 species are At Risk
· 285 species are Not Threatened
· 5 species are Non-resident Native
· 42 species are Introduced and naturalised
· 36 species are Data Deficient · 1 species has an improved status · 18 species have a worse status · 20 species have a neutral status change (moved into or out of Data Deficient) · 67 species have not changed status · 454 species have been added to the list.
Posted: 18/08/2025