336 OHIO BIOLOGICAL SURVEY 



Ambrosiaceae, Ragweed Family. 

 Ambrosia trifida Ij. Horseweed. 

 Ambrosia elatior L. (A. arteniesiafolia). Ragweed, 

 Xanthium pennsylvanic^'iiin Wallr. (X. canadense anth.). American Cockleburr. 



Helianthaceae, Simflower Family. 

 Ileliopsis lieliantluiides (L.) B. S. P. Smootli Ox-eye. 

 Verbesina alba (L.) Eclipta. 

 Rudbeckia liirta L. Black-eyed Susan. 



Rvidbeckia 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. Stifi'-haired Sunflower. 

 Helianthus tuberosus L. Jerusalem Artichoke. 



Ridan alternifolia (L.) Britt. (Verbesina). Actinomeris. No specimen. 

 Coreopsis 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 B. C. (G. earacsana). In Mr. Stukey's barnyard and 



other places. No specimen. 

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

 Silphium perfoliatum L. Indian Cup. 

 Silphium trifoliatum L. Whorled Rosin Weed. 

 Helenium autumnale L. ('ommon Sneezeweed. No specimen. 

 Inula helenium L. Elecampane. 

 Gnaplialium obtusifolium L. Fragrant Cudweed. 

 Gnaplialium 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 Fairfield, Hocking, 



and Meigs counties. 

 Solidago speciosa Nutt. Showy Goldenrod. 



