Herbs, sometimes shurbs or vines. Simple to compound, alternate or opposite leaves. Flowers are small but organized into larger heads resembling a single, radially symmetrical flower.
Genera found in Manitoba:
Achillea Agoseris Ambrosia Anaphalis Antennaria Anthemis Arctium Artemisia Aster Bidens Boltonia Carduus Centaurea Chrysanthemum Chrysopsis alt: Heterotheca Cichorium Cirsium Cosmos Coreopsis Crepis Echinacea Echinops Erigeron Eupatorium Franseria Gaillardia Galinsoga Gnaphalium Grindelia Gutierrezia Haplopappus Helenium Helianthus Heliopsis Heterotheca see: Chrysopsis Hieracium Krigia Lactuca Lapsana Liatris Lygodesmia Madiaa Matricaria Megalodonia Microseris Petasites Prenanthes Ratibida Rudbeckia Senecio Solidago Sonchus Tanacetum Taraxacum Townsendia Tragopogon Vernonia Xanthium