Position of the 22 study sites (for site abbreviations, see Table 1). The background map depicts climatic zones according to the environmental stratification of Europe (Metzger et al. 2005; Metzger 2018). ATC – atlantic central, ATN – atlantic north; ALS – alpine south; CON – continental; NEM – nemoral; BOR – boreal; ALN – alpine north. For certain analyses, sites in BOR and ALN were pooled.

 
 
  Part of: Ludewig K, Klinger YP, Donath TW, Bärmann L, Eichberg C, Thomsen JG, Görzen E, Hansen W, Hasselquist EM, Helminger T, Kaiskog F, Karlsson E, Kirchner T, Knudsen C, Lenzewski N, Lindmo S, Milberg P, Pruchniewicz D, Richter E, Sandner TM, Sarneel JM, Schmiede R, Schneider S, Schwarz K, Tjäder Å, Tokarska-Guzik B, Walczak C, Weber O, Żołnierz L, Eckstein RL (2022) Phenology and morphology of the invasive legume Lupinus polyphyllus along a latitudinal gradient in Europe. NeoBiota 78: 185-206. https://doi.org/10.3897/neobiota.78.89673