232 OHIO BIOLOGICAL SURVEY 



1952. Aster niultiflorus Ait. Dense-flowered Aster. Lucas, Erie, 



Gallia. 



1953. Aster diimosus L. Bushy Aster. Erie County. 



1954. Aster salie.ifolius Lam. Willow Aster. Wayne County. 



1955. Aster paniculatus Lam. Panieled Aster. General. 



1956. Aster tradescanti L. Tradeseant's Aster. Rather general. 



1957. Aster faxoni Porter. Faxon's Aster. Vinton County. 



1958. Aster ericoides L. White Heath Aster. General. 



1958a. Aster ericoides platyphyllus T. & G. Western half of state, east 

 to Erie, Franklin, and Meigs Counties. 



1959. Aster ptarmicoides (Nees.) T. & G. Upland White Aster. (Ot- 



tawa County — Moseley Herharium.) 



1960. Erigeron pulchellus Mx. Showy Fleabane. General. 



1961. Erigeron philadelphicus L. Philadelphia Fleabane. General. 



1962. Erigeron annuus (L.) Pers. White-top Fleabane. General. 



1963. Erigeron ramosus (Walt.) B. S. P. Daisy Fleabane. General. 



1964. Leptilon canadense (L.) Britt. Common Horseweed. General. 



1965. Doellingeria umbellata (Mill.) Nees. Tall White-top Aster. 



Rather general. 



1966. Doellingeria infirnm (Mx.) Greene. Infirm Aster. Portage 



County. 



1967. lonactis linariifolius (L.) Greene. Stiffleaf Aster. Adams, 



Hocking. 



1968. Eupatorium maculatum L. Spooled Joe-Pye-weed. General. 



1969. Eupatorium purpureum L. Joe-Pye-weed. General. 



1970. Eupatorium serotinum Mx. Late-flowering Thorough wort. Ham- 



ilton County. 



1971. Eupatorium altissimum L. Tall Thoroughwort. Hamilton, 



Montgomery, Franklin, Erie, Lucas. 



1972. Eupatorium sessilifolium L. Upland Boneset. Southeastern 



half of state, to Montgomery, Franklin, Wayne, Portage and 

 Hamilton Counties. 



1973. Eupatorium rotundifolium L. Roundleaf Thoroughwort. Hock- 



ing County. 



1974. Eupatorium perfoliatum L. Common Boneset. General. 



1975. Eupatorium urticaefolium Reich. White Snake-root. General. 



1976. Eupatorium aromaticum L. Smaller White Snake-root. Hock- 



ing County. 



