Thalictrum is a genus of 120-200 species of herbaceous perennial flowering plants in the Ranunculaceae (buttercup) family native mostly to temperate regions. Thalictrum is a taxonomically difficult genus with poorly understood species boundaries; it is in need of further taxonomic and field research for clarification. Despite their common name of ... Found on http://en.wikipedia.org/wiki/Thalictrum
Thalictrum is a genus of hardy herbaceous plants belonging to the family Ranunculaceae. They usually bear panicles of small flowers, with four or five petaloid sepals and no corolla. Found on http://www.probertencyclopaedia.com/browse/BT.HTM