Meanings of mix broadleaf in English

I came across two separate piles of hazelnut shells in a mixed broadleaf conifer wood at Pontoon, Co Mayo.

The photogenic white-whiskered monkey lives in diverse forest habitat, from tropical to high-altitude evergreen, broad-leaved and mixed broadleaf-conifer forest.

In mixed broadleaf woods of the Pontic Mountains of northern Turkey, Rhododendron ponticum is a well-behaved member of the plant community.

Crann, as you have read, is establishing a huge mixed broadleaf woodland on the shores of Lough Derg in Co Tipperary.