@article {8017, title = {Chenopodium pumilio R. Br., a new adventive species for Rumania}, journal = {Linz. Biol. Beitr}, volume = {25}, year = {1993}, month = {1993///}, pages = {151 - 152}, author = {M. Chytry} } @article {7849, title = {Druifkruid (Chenopodium botrys) en Liggende ganzevoet (Chenopodium pumilio) in opmars in Nederland}, journal = {Gorteria}, volume = {19}, year = {1993}, month = {1993///}, pages = {33 - 36}, author = {H.E. Barendregt} } @article {7353, title = {Rozsirenie druhov Chenopodium botrys L. a Ch. schraderianum Schultes v Ceskej republike a Slovenskej republike}, journal = {Bull. Slov. Bot. Spolo_n}, volume = {15}, year = {1993}, month = {1993///}, pages = {16 - 23}, author = {T. Schwarzov{\'a}} }