V. Latzel (vit.latzel@ibot.cas.cz) and O. Bossdorf, Inst. of Plant Sciences, Univ. of Bern, Altenbergrain 21, CH-3013 Bern, Switzerland. VL also at: Inst. of Botany, Academy of Sciences of the Czech Republic, Z á mek 1, CZ-252 43 Pr ů honice, Czech Republic. – Š . Jane č ek, J. Dole ž al and J. Klime š ov á , Inst. of Botany, Academy of Sciences of the Czech Republic, Dukelsk á 135, CZ-379 82 T...