Calamagrostis canadensis, native to much of northern North America.

plural of bluejoint reed grass

A technique for drawing diagrams of syntactic structure, based on a subject and a verbal predicate, with modifiers written on slanted lines leading off from the words they modify.

Acrocephalus arundinaceus, an Old World warbler.

Acrocephalus dumetorum, an Old World warbler.

Calamaria ulmeri, a species of Sumatran snake.

plural of broken reed

plural of single reed

plural of single-reed

plural of double reed