Helianthus divaricatus L Sunflower. 



Frequent in woods. 



Helianthus tuberosus L Jerusalem-artichoke. 



Low grounds and thickets. 



Hieracium gronovii L Hawkweed. 



Occasional in fields and open woods. 



Hieracium venosum L Poorrobins hawkweed. 



Common in woods. 



Hypochoeris radicata L Cats-ear. 



Occasional in lawns. 



Krigia biflora (Walt.) Blake {Cynthia virgtnica (L.) D. Don) 

 Location 6. 



Krigia dandelion (L.) Nutt. 

 Occasional in woods. 



Krigia virginica (L.) Willd Dwarf-dandelion. 



Frequent in woods and fields, especially in disturbed soils. 



Lactuca biennis (Moench.) Fern. (L. spkata sensu Hitchc.) .Wild lettuce. 

 Fields and waste places. 



Lactuca canadensis L. (L. sagittijolia Ell.) 

 Cultivated soil and waste places. 



Lactuca floridana (L.) Gaertn. 

 Woods and fields. 



Lactuca floridana var. villosa (Jacq.) Cronq. 

 Woods and thickets. 



Lactuca saligna L Willowleaf lettuce. 



Occasional in dry fields, location 49. 



Lactuca scariola L Prickly lettuce. 



Waste places. 



Liatris graminifolia (Walt.) Willd Grassleaf gayfeather. 



Frequent in dry soil. 



Madia sativa Molina Tar weed. 



Occasional in cultivated or disturbed soil. 



Mikania scandens (L.) Willd Climbing hempweed. 



Wet soil along river margin and in other swampy places. A climbing plant 

 with fragrant flowers. 



45 



