Reinhammar & Hedrén 1998
Aus Offene Naturführer
Reinhammar, L. G. & Hedrén, M. 1998: Allozyme differentiation between lowland and alpine populations of Pseudorchis albida s.lat. (Orchidaceae) in Sweden. In: Nordic Journal of Botany. Bd. 18, S. 7–14.
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