Thalictrum Aquilegifolium var. Intermedium カラマツソウ（落葉松草、唐松草）

Japanese follows English. 英語の後に日本語が続きます。

These are flowers of Thalictrum aquilegifolium var. intermedium. I wanted to find their common name, but couldn't. The flowers were so tiny with thin petals, swaying in the wind. 

Thalictrum Aquilegiifolium var. Intermedium　カラマツソウ（落葉松草、唐松草）