Etymology: Cosmos: Greek kosmos for "beautiful"
Plants: annual forb
Conservation Status: Introduced - rarely escaped
Flora of North America: Flora of North America Floristic Rating: Wetland Indicator = FACW- USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions