Wight, Francis Gordon. <br/><br/>
Plant classification / 
drawings by M. Abbott. 
 - London :  Arnold,  [1970] 
 - Unit studies in science. Unit 4, Biology  Unit studies in science. Unit 4, Biology  Unit studies in science. Unit 4, Biology .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany -- Classification.--Botany -- Classification.