Field Guide

When you consider the negative effects this plant has on natural habitats, and how hard it is to control or eradicate, you almost want to rename it “leafy scourge”! This invasive plant is spreading in our state. Learn how to identify it.

Branching, spreading, and tangling, hairy vetch forms dense colonies along highways and other disturbed sites. This softly hairy ground-covering plant has one-sided clusters of purple pea flowers.

One of several native plants called dandelions, Carolina false dandelion is an annual with sulphur yellow flowers and puffy seedheads.

There are several members of the aster family that look something like common dandelions. But unlike the familiar lawn weed, two-flowered Cynthia is a native Missouri wildflower.

A native wildflower of forests, blufftops, glades, pastures, and roadsides, beaked hawkweed looks something like a hairy, yellow-flowering chicory. It is found mostly south of the Missouri River.

Golden aster can cover entire valleys with its bright yellow flowers. It blooms June through October and is scattered mostly south of the Missouri River.

With its yellow composite flowers and round seedheads of fluffy “parachutes,” goat’s beard looks like a gigantic dandelion. A native of Europe, many people view it as an invasive weed.

Rough-fruited cinquefoil is common in most of North America in fields and pastures, along roadsides, and other disturbed areas. It’s a stout, tall, hairy plant with five yellow to cream-colored, slightly notched petals.

Cacti make us think of the desert southwest, but there is at least one species native to Missouri. This prickly pear grows in glades, sand prairies, rocky open hillsides, and other dry, sun-soaked areas.