00296nam a2200097Ia 4500008004100000082002600041100001800067245005300085260005200138300000800190140113s9999    xx            000 0 und d  a581.9(100)(026)   A46  a"Blake, S.F."  aGepgraphical guide to floras of the World part I  a1942bUnited States Dept. of Agric.cWashington  a325