Waikato Region:

Waikato Regional Council have an interactive map with a list of all the kahikatea remnants you can visit:
http://www.waikatoregion.govt.nz/Environment/Natural-resources/Biodiversity/Forest-fragments/Kahikatea-forest-fragments/Some-kahikatea-fragments-you-can-visit/#Bookmark_Matamata

Yarndley's Bush:
http://www.waipadc.govt.nz/NR/rdonlyres/76E5A974-71A0-4A73-A653-DCAC186A8526/74818/YarndleysBushFINAL.pdf

more on the history of Yarndley's Bush:
http://www.kiwanis.org.nz/taweyard.htm

Barrett Bush:
https://tui2000.blogspot.com/search?q=Barrett+Bush

Barrett Bush Management Plan
https://www.waikato.ac.nz/__data/assets/pdf_file/0004/165532/ERI-Report-No-2-Barrett-Bush-Management-Plan.pdf 

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