DiGregorio, Mario. <br/><br/>
A vanishing heritage :  wildflowers of Cape Cod / 
Mario DiGregorio and Jeff Wallner. 
 - Missoula :  Mountain Press,  c1989. 
 - xiv, 169 p. :  col. ill. 
<br/><br/><label>ISBN: </label>0878422315 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wild flowers--Identification.--Massachusetts--Cape Cod<br/>Rare plants--Pictorial works.--Massachusetts--Cape Cod<br/>Rare plants--Identification.--Massachusetts--Cape Cod<br/>Wild flowers--Pictorial works.--Massachusetts--Cape Cod