Plant inventory no. 200, part II : plant materials introduced May 1 to August 31, 1991 nos. 550931 to 555395 

 - Washington DC  Dep. of agric.  1992 
 - 758 s. 
<br/><br/><label>Subjects--Index Terms: </label>LISTS PLANT INTRODUCTION USA 
<br/><br/><label>Dewey Class. No.: </label>631.521029