Carduus nutans var. songaricus C.Winkl. ex O.Fedtsch. & B.Fedtsch. Consp. Fl. Turkest. 4: 277 1911

Nomenclatural References

• person : Boris Fedtschenko (1872-1947) Based on occurrence of standard abbreviation 'B.Fedtsch.' in the authors string.
• person : Constantin Winkler (1848-1900) Based on occurrence of standard abbreviation 'C.Winkl.' in the authors string.
• person : Olga Fedchenko (1845-1921) Based on occurrence of standard abbreviation 'O.Fedtsch.' in the authors string.
• database : The Plant List v1.1 record gcc-43765
• database : The Plant List version 1.0, record: gcc-43765