Contributions from the United States National Herbarium  
 Contributions from the U.S. National Herbarium  Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana) 

 - Washington :  Smithsonian Institution Press 
 - volumes :  illustrations (some color) ;  23 cm 
 - Irregular 
 - v. 1- 1890- 
<br/><br/>Suspended 1975-1999. 
<br/><br/>Vols. 1-7 published by: United States. Dept. of Agriculture, Division of Botany; v. 8-29 by: United States National Museum. 
<br/><br/><label>ISSN: </label>0097-1618 
 = Contributions from the United States National Herbarium 
<br/><br/><label>LCCN: </label>sn 84005818 
<br/><br/><label>Nat. Bib. No.: </label>010020403  dnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany.
<br/><br/><label>LC Class. No.: </label>QK1  / .U5 
<br/><br/><label>Dewey Class. No.: </label>
<br/><br/><label>GPO Item No.: </label>0920 0921-A-03 
<br/><br/><label>Gov. Doc. Class. No.: </label>A 6.5: SI 3.8: