Field Guide

The star-shaped leaves of sweet gum become even more striking in the autumn, when they turn various shades of gold, red, pink, and purple, often on the same tree — sometimes even on the same leaf!

Common alder is a good plant to know. The dried female catkins look like tiny pinecones.

Identify sandbar willow by its very narrow leaves with widely spaced, slender teeth along the margins. This is a good soil binder and bank stabilizer; it prevents washing and erosion of alluvial soil.

A clumped shrub that grows naturally only in the northeastern part of Missouri, meadow willow lives in low, wet ground in mud or sandy gravel along streams and in wet meadows. Rare in our state, it is perhaps best identified by examining the leaves.

Native to Europe and Asia, European, or black alder is planted widely as an ornamental. In some parts of the United States and elsewhere in the world, this species becomes weedy, even invasive. In Missouri, you are most likely to encounter it in landscaped areas, and not in the wild.