Northern Fen - Michigan Natural Features Inventory

Fen, Definition, Description, Chemistry, Plants, Fen vs Bog, & Facts

What Is A Fen? - WorldAtlas

Grand River Fen Preserve The Nature Conservancy in MI

Types of Fens

Spring Fens Kenai Watershed Forum

Fen Mapping - Colorado Wetland Information Center

Bogs & Fens: What's the Difference, for Peat's Sake!? – Great Ecology

Great Fen JNCC - Adviser to Government on Nature Conservation

Fen

Annie Proulx's new book is a history of wetland destruction : NPR