TABLE OF CONTENTS 



INTRODUCTION 



ALISMATACEAE 



Alisma (Water-plantain) 



Key to Species 



Alisma gramineum 



Alisma plantago-aquatica 



Echinodorus (Burhead) 



Echinodorus parvulus 



Sagittaria (Arrowhead, Wapato, Duck-potato) 



Key to Species 



1 

 2 

 2 



2 

 3 

 3 



7 

 7 

 7 



7 



Sagit 

 Sagit 



ittaria monteuidensis 15 



ittaria subulata 15 



Sagittaria teres 15 



Sagittaria graminea 19 



Sagittaria rigida 19 



ittaria latifolia 19 



ittaria cuneata 20 



ittaria engelmanniana 20 



Sagii 

 Sagit 

 Sagit 



Literature Cited and Selected References 



30 



111 



