Template:Krestovskaya, 2011
- Krestovskaja, T.V. 2011. Критический обзор видов секции Eriostemum Hoffmanns. et Link рода Stachys L. (Labiatae) (The critical review of species of the genus Stachys L. section Eriostemum Hoffmanns. et Link (Labiatae)). Novosti Sistematiki Vysshikh Rastenii 42: 198–221. PDF