How pine needles can give us a lesson in waterproofing, Trees and forests

Research into how pine trees have evolved needles with a shape that deflects raindrops could lead to improvements in rainproof fabric

Pine needles evolved to help trees cope with rainfall

A Comprehensive Guide to Understanding and Utilizing the White Pine Needle - Foraged - Foraged

Leaving Card For Teaching Leaving Cards, School Gifts, Card, 44% OFF

Pine Plantings- which species? Red vs white pine; Norway vs white spruce

Trees Archives - Wild About Utah

Native American

nature wondermyway

Leaving Card For Teaching Leaving Cards, School Gifts, Card, 44% OFF

Do pine trees and pine needles make soil more acidic?

Tough As Pine Needles?? - Natural Resources Trust Of Easton

High Sierra Rambles – Hiking California's Sierra Nevada Mountains

Do Pine Needles Acidify Soil - Garden Myths

Why pine needles are a $200 million industry in the Southeast - The Washington Post