Lawalrée, André. <br/><br/>
Ptéridophytes. 

 - IV, 195 p.  ill. 
 - Flore générale de Belgique .
<br/><br/> Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>582.35<br/><?<89/1<br/>582.35--Pteridophyta. Ferns. Fernlike spore plants<br/>581.9 <493>--Geographic botany. Plant geography (phytogeography). Floras. Geographic distribution of plants--België