Vol. 19, Special volume: Clonality in Plant Communities—Proceedings of the 4th International Workshop on Clonal Plants, Visegrád, Hungary, April 18-22, 1995 (1995), pp. 61-73 (13 pages) ...
Clausen, J. Keck, D D, and Hiesey, W M. 1940. Experimental studies on the nature of species. I. Effect of varied environments on Western North American plants. Publ ...
Three natural hybrids have been reported in Potentilla subseries Tormentillae: Potentilla x suberecta, P. x mixta and P. x italica. This paper presents results of morphological and cytological studies ...
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