Chara hispida var. baltica Hartman
(Please note: only references with the binomials in the title are included. The information is from the Literature database.)
Urbaniak, J. & Combik, M. (2013). Genetic and morphological data fail to differentiate Chara intermedia from C. baltica, or C. polycantha and C. rudis from C. hispida. European Journal of Phycology 48(3): 253-259.