TY - RPRT TI - Geographically structured genetic variation in the Medicago lupulina-Ensifer mutualism AU - Harrison, T. AU - Wood, C. AU - Heath, K. AU - Stinchcombe, J. PY - 2017 DO - 10.1101/117192 UR - https://www.biorxiv.org/content/10.1101/117192v1 ID - 10.1101/117192 ER -