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Algae
Division Chlorophyta
Spirogyra spp.

  

Spirogyra spp.

Class Chlorophyceae - Order Zygnematales - Family Zygnemataceae

Profile: long filaments, generally unbranched, except where in contact with sediments. Slippery-textured cottony masses easily drawn into a thread. In cold and deep waters it can form clouds several feet in diameter, in shallow warm waters it forms floating mats. Reproductive stages can impart a brown or orange tinge to the mass.

Various - S. borgeana, S. borysthenica, S. catenaeformis, S. circumlineata, S. collinsii, S. dubia, S. fallax, S. farlowii, S. flavescens, S. fluviatilis, S. gracilis, S. grevilleana, S. inconstans, S. inflata, S. jugalis, S. laxa, S. longata, S. majuscula, S. mirabilis, S. novae-angliae, S. orientalis, S. porangabae, S. protecta, S. reflexa, S. rivularis, S. singularis, S. spreeiana, S. suecica, S. sulcata, S. tenuissima, S. teodoresci, S. triplicata, S. varians, S. weberi

Shallow waters - S. aequinoctialis, S. ellipsospora, S. nitidia, S. porticalis, S. pratensis, S. stictica, S. subsalsa,

Lagoon - S. pseudofloridana,

Swamps - S. affinis, S. communis, S. juergensii, S. micropunctata, S. scrobiculata

Hard water - S. crassa, S. daedaleoides, S. condensata, S. decima, S. fuellebornei, S. maxima,

Soft water - S. rhizobrachialis

Rock pool on the north shore of Lake Superior - S. gratiana

Spirogyra sp.

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