Tidestrom, Ivar,  1865- <br/><br/>
Botrychium virginianum and its forms.  Sphenoclea seylanica and Caperonia palustris in the southern United States. 
By Ivar Tidestrom. 
 - Washington,  Govt. print. off.,  1913. 
 - v, 299-307 p., p. vii.  pl. 102-103.  24 cm. 
 - Smithsonian institution.  United States national museum.  Contributions from the United States national herbarium.  v. 16, pt.13 .
<br/><br/> "Bulletin of the United States national museum.  Issued December 29, 1913." 
<br/><br/><label>LCCN: </label>agr14000099  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botrychium virginianum.<br/>Caperonia palustris.<br/>Sphenoclea zeylanica.
<br/><br/><label>LC Class. No.: </label>JK1  / .U5 v 16 pt. 13