354 



Jiiniperus communis depressa Pursh. (1659, 2843, 2907) Juniper 

 Juniperus horizontalis Moench. (1658) Procumbent Juniper 

 Juniperus virginiana L. (2910) Red Cedar 



Typhaceae. Cattail Family. 



Typha latifolia L. (3091) Cattail 



Typha angusti folia L. (2824) Narrow-leaved Cattail 



Typha latifolia x angustifolia (2915) 



Sparganiaceae. Bur-reed Family. 

 Sparganium eurycarpum Engelm. (2831) Bur-reed 



Naiadaceae. Pondweed Family. 



Potamogeton natans L. Pondweed 



Potamogeton foliosus niagarensis (Tuckerm.) Morong. (3246) Pond- 

 weed 



Juncaginaceae. .Vrrow Grass Family. 



Triglochin maritima L. (2515) Arrow Grass 

 Triglochin palustris L. (2867) 



Alismaceae. Water-plantain Family. 



Sagittaria latifolia Willd. (2908) Arrowleaf 



Sagittaria heterophylla rigida (Pursh) Engelm. Arrowleaf 



Alisma plantago-aquatica L. (2902) Water-plantain 



Hydrocharitaceae. Frog's Bit Family. 

 Elodea canadensis Michaux. Water-weed 



(Gramineae) Pbaceae. Grass Family. 



Aiidropogon scoparius Michx. (2921) Beard Grass 



Andropogon furcatus Muhl. (2940) Beard Grass 



Sorghastrum nutans (L.) Nash. (2966) 



Digitaria sanguinalis (L.) Scop. (3257) Finger Grass, Crab Grass 



Panicum capillare L. (3232) Witch Grass, Old-witch Grass 



Panicum virgatum L. (2938) Switch Grass 



Panicum huachucae Ashe. (3224) 



Panicum scribnerianum Nash. (3065) 



Echinochloa crusgalli (L.) Beauv. (3209) Barnyard Grass 



Cenchrus carolinianus Walt. (2980) Sandbur 



Leersia oryzoides (L.) Sw. (2985) Rice Cut-grass 



