TY - JOUR A1 - Fischer, Markus A1 - Matthies, D. A1 - Schmid, Bernhard T1 - Responses of rare calcareous grassland plants to elevated CO2: a field experiment with Gentianella germanica and Gentiana cruciata Y1 - 1997 ER - TY - JOUR A1 - Fischer, Markus A1 - Matthies, D. T1 - Mating structure and inbreeding and outbreeding depression in the rare plant Gentianella germanica (Gentianaceae) Y1 - 1997 ER - TY - JOUR A1 - Fischer, Markus A1 - Matthies, D. T1 - RAPD variation in relation to population size and plant performance in the rare Gentianella germanica (Gentianceae) Y1 - 1998 ER - TY - JOUR A1 - Fischer, Markus A1 - Matthies, D. T1 - Experimental demography of the rare Gentianella germanica: seed bank formation and microsite effects on seedling etasblishment Y1 - 1998 ER - TY - JOUR A1 - Fischer, Markus A1 - Matthies, D. T1 - Effects of population size on performance in the rare plant Gentianella germanica Y1 - 1998 ER - TY - JOUR A1 - Fischer, Markus A1 - Kéry, M. A1 - Matthies, D. T1 - The effect of plant population size on the interactions between the rare plant Gentiana cruciata and its specialized herbivore Maculinea rebeli Y1 - 2001 ER -