00389nam a2200169Ia 4500008004100000041001200041082000800053082001000061100001800071100001100089245003500100260001200135260003000147260000900177650002000186650001300206150909s9999    xx            000 0 und d  aEnglish  a580  bSWITE  aSwingle D B    eAuthor  aText book of systematic botany  aNewYork  bMc Graw Hill Book company  c1946  aAmsateur botany  aTaxonomy