00410nam a2200157Ia 4500008004100000082001400041100002200055245002900077260004100106300000800147650002300155650001800178653001600196653001700212653002300229170901s1950    xx            000 0 und d  a583bG95F  aGundersen, Alfred 0aFamilies of Dicotyledons  aUSAbChronica Botanica Companyc1950  a237  aBotanical sciences  aPure Sciences  aAngiosperms  aDicotyledons  aFamilies (Biology)