Common Mosses of the Northeast and Appalachians
Karl B McKnight, Joseph R. Rohrer, Kirsten McKnight Ward and Warren J. Perdrizet. Princeton University Press, 2013 · 392 pages · Princeton Field Guides, ISBN 978-0-691-15696-5 * Claim: Three features visible through a hand lens (growth form, leaf shape, midrib) are enough to sort 153 common eastern mosses, and