336 OHIO BIOLOGICAL SURVEY 



Ambrosiaceae, Ragweed Family. 

 Ambrosia trifida L. Horseweed. 

 Ambrosia elatior L. (A. artemesiafolia). Ragweed. 

 Xanthium pennsylvanicum Wallr. (X. canadense auth.). American Cockleburr. 



Helianthaceae, Sunflower Family. 

 Heliopsis helianthoides (L.) B. S. P. Smooth Ox-eye. 

 Verbesina alba (L.) Eclipta. 

 Riidbeckia hirta L. Black-eyed Susan. 

 Rudbeckia fulgida Ait. Orange Cone-flower. Fide Bigelow. 

 Rudbeckia laciniata L. Tall Cone-flower. Common. No specimen. 

 Echinacea purpurpea (L.) Moench. (Brauneria). Purple Cone-flower. Fide Bigelow. 

 Helianthus microcephalus T. & G. Small Wood Sunflower. 

 Helianthus giganteus L. Giant Sunflower. 

 Helianthus hirsutus Raf. Stiff -haired Sunflower. 

 Helianthus tuberosus L. Jerusalem Artichoke. 



Ridau altcrnifolia (L.) Britt. (Verbesina). Actinomeris. No specimen. 

 Coreoj^sis tripteris L. Tall Tickseed. 



Bidens laevis (L.) B. S. P. Smooth Burr-Marigold. Fide Bigelow. 

 Bidens cernua L. Nodding Burr-Marigold. No specimen. 

 Bidens connata Muhl. Swamp Burr-Marigold. No specimen. 

 Bidens frondosa L. Black Beggar-ticks. No specimen. 

 Bidens bipinnata L. Spanish Needles. No specimen. 

 Bidens trichosperma (Mx.) Britt. Tall Tickseed. 

 Bidens aristosa (Mx.) Britt. Western Tickseed. On the edge of its range; reported 



only from counties west of the present area. No specimen. 

 Galinsoga parviflora hispida D. C. (G. caraesana). In Mr. Stukey 's barnyard and 



other places. No specimen. 

 Polymnia canadensis L. Small-flowered Leafcup. Fide Bigelow. 

 Silphinm perfoliatum L. Indian Cup. 

 Silphium trifoliatum L. Whorled Rosin Weed. 

 Helenium autumnale L. Common Sneezeweed. No specimen. 

 Inula helenium L. Elecampane. 

 Gnaphalium obtusifolium L. Fragrant Cudweed. 

 Gnaphalium uliginosum L. Marsh Cudweed. 



Antennaria neglecta Greene, (det. Fernald). Field Everlasting. Upland fields. 

 Antennaria fallax Greene, (det. Fernald). Tall Everlasting. Woods. 

 Antennaria plantaginifolia (L.) Rich. (det. Fernald). Plantain-leaf Everlasting. 

 Antennaria parlinii Fernald (det. Fernald). Parlin's Everlasting. 

 Chrysopsis mariana (L.) Nutt. Maryland Golden Aster. Common in some places 



in the southern section of the area; known otherwise only from Jackson County. 

 Solidago caesia L. Wreath Goldenrod. 

 Solidago flexicaulis L. (S. latifolia). Zigzag Goldenrod. 

 Solidago bicolor L. White Goldenrod. 

 Solidago erecta Pursh. Slender Goldenrod. Known only from Faii-field, Hocking, 



and Meigs counties. 

 Solidago speciosa Nutt. Showy Goldenrod. 



