common daisy, field daisy, marguerite, ox-eye daisy
[Chrysanthemum leucanthemum L., more...]
Etymology: Leucanthemum: from Greek leukos, "white," and anthemon, "flower," C. leucanthemum is the Old World ox-eye daisy
Plants: erect, perennial, 8"-24" tall forb usually with unbranched stems
Leaves: alternate, lower leaves up to 5" long, lobed or toothed, stalked; upper fewer, smaller and becoming stalkless
Flowers: head 1"-2 1/3" wide with 15-35 white ray flowers, yellow disk 1/3"-3/4" wide; inflorescence of one head at the ends of the branches; blooms June-Aug.
Fruits: cylindrical, dry seed with 10 ribs and no fluffy pappus
Habitat: disturbed sites, fields, pastures
Invasiveness: Invasive - Eradicate!
Conservation Status: Introduced - naturalized; ecologically invasive
Flora of North America: Flora of North America Invasive And Exotic Species of North America: Descriptions, management issues, warnings, photos, etc. WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods 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 Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"