Hauke, Richard Louis, 1930- <br/><br/>
A taxonomic monograph of the genus Equisetum, subgenus Hippochaete 

 - Weinheim  J. Cramer   1963 
 - 123 p.   il., mapas, 12 tbls., 22 láms. ; 24 cm. 
 - Beihefte zur Nova Hedwigia .
<br/><br/> Bibliografía: p. 115-119 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PTERIDOPHYTA<br/>EQUISETUM