1) Anemone 2) Anemone cylindrica 3) Dangerous vegetation 4) Dangerous greenery 5) Dangerous plant 6) Dicey greenery 7) Dicey plant 8) Dicey vegetation 9) Dicey flora to eat 10) Dicey plant to eat 11) Dodgy flora to eat 12) Dodgy plant to eat 13) Flora with toxic properties 14) Hazardous vegetation 15) Hazardous greenery 1) Anemone 
Thimbleweed is the common name of any of several plants with seed heads resembling a thimble. Species called thimbleweed include: ...
• (n.) Any plant of the composite genus Rudbeckia, coarse herbs somewhat resembling the sunflower; -- so called from their conical receptacles.
Thim'ble·weed` noun (Botany) Any plant of the composite genus Rudbeckia , coarse herbs somewhat resembling the sunflower; -- so called from their conical receptacles. 
[n] - a common North American anemone with cylindrical fruit clusters resembling thimbles
Anemone cylindrica noun a common North American anemone with cylindrical fruit clusters resembling thimbles