ROOTED AQUATIC PLANTS IN LIMNOLOGY 



119 



Summary op Plant 



Zone I (0-1 m) 

 rocks, sand, silt (uiileaclied) 

 Bidens BecMi 

 Cnstalia odorata 

 Char a sp. 



Eleocharis acicularis 

 E. palustris 

 Equisct urn limosu m 



Isoetes macrofipord 



MyriophyU um altern ifloni m 

 M. tenellum 



Najas flexilis (bushy form) 

 Nymphosanth us variegatus 

 Polygonum naians, f. genuinum 

 Potamngeton gramineus, var. 



graminifolius 

 P. naians 

 P. Spirilhts 

 Sagittaria gramineus 

 Scirpus acutus 

 Vallisneria americana 



I 



I 



1 

 sand, silt (leached) 



Castalia 



Elatine minima 



Eleocharis acicularis 



Eriocaulon septangulare 



Gratiola aurea, f. pusilla 



Isoetes 



Juncus pelocarpus, t. suhmersus — 



Littorella americana 



Lobelia Dort manna 



MyriopJtyUum tenellum 



Nymphozanthus 



Banuncuhis reptans, var. ovalis 



Sparganium angustifolium 



I 



I 



I 

 organic soil (partly decomposed) 



Castalia 



Elatine 



Eriocaulon 



Eleocharis acicularis 



Gratiola 



Isoetes 



Juncus 



Littorella 



Lobelia 



Nymphozanthus 



P. natans 



Sparganium 



Communities in Muskellunge Lake, a Primitive Lake 



Zone II (1-3 m) 

 rocks, sand, silt (unlcached) 

 Bidens 

 Char a sp. 

 Isoetes 

 Myriophylhnn 



Zone III (3-8 m) 

 sand, silt (unlcached) 

 Chara 



Najas (flexuous form) 

 Nitella sp. 

 Nostoc sj}. 



alterniftornm- 



-M. tenellum 



Najas (intermediate form) 

 Nitella sp. 

 Nostoc sp. 

 Nmyphozanthus 

 Poiamogeton amplifolius 

 P. epihydrus 



P. gramineus, var. graminifolius 

 P. praelongus 

 P. pusilJus 

 P. Bobhinsii 

 P. Spirillus 

 Vallisneria 



-Potamogclon amplifolius 

 P. gramineus, var. 

 graminifolius 



P. pvsillus 



P. liobbinsii 



1 . 

 organic soil (well decomposed) 



Najas 



Nitella sp. 



Nostoc sp. 



Potamogeton amplifolius 



P. pusillus 



p. Eobbinsii 



organic soil (well decomposed ) - 

 Bidens 

 Castalia 

 Chara sp. 

 Elatine 



Eleocharis acicidaris 

 Isoetes 

 -Myriophyllum alterniflorum 

 Najas 

 Nitella sp. 

 Nostoc sp. 

 Nymphozanthus 

 Nymphozanthus 

 Polygonum 



Potamogeton amplifolius 

 P. epiliydrus 



P. gramineus, var. graminifolius 

 P. praelongus 

 P. pusillus 

 P. Bobbinsii 

 Vallisneria 



organic soil (fibrous, "raw") 

 Castalia 

 Eriocaulon 

 Nymphozarithus 

 P. natans 

 Sparganium 

 I 



Swamp and bog 



