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Diatoms
Pinnularia spp.

Pinnularia spp.

Great Lakes Diatom Home Page - University of Michigan

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Profile: Most Great Lakes Pinnularia spp. prefer water of low mineral content (except P. virdis). Many prefer cool waters (P. borealis, P. braunii v. amphicephala, P. brebissonii. P. brevicostata, P. divergens var. bacillaris, P. divergens var. elliptica, P. intermedia, P. nodosa, P. substomatophora, P. viridis v. commutata) and several acid (P. abaujensis v. rostrata, P. burkii, P. microstauron, P. substomatophora, P. termitina) or oligotrophic (P. tenuis, P. globiceps, P. microstauron, P. undulata v. subundulata) environments. P. globiceps is found at the sediment level with the subspecies P. globiceps v. krockii limited to oxygen rich areas. Size ranges from P. microstauron f. biundulata and P. obscura (from 12x3um) to P. gentilis (260x36 um) and P. major (to 200x40 um).University of Michigan,California Academy of Sciences,Florida International University

55 Great Lakes Species (including alternative names and named varieties): P. abaujensis, P. abaujensis var. linearis, P. abaujensis var. rostrata, P. abaujensis var. subundulata, P. acrosphaeria, P. amphioxys, P. appendiculata, P. biceps, P. biceps fo. petersenii, P. borealis, P. borealis var. rectangularis, P. brandelii, P. braunii, P. braunii var. amphicephala, P. braunii var. amphipalor, P. brebissonii, P. brebissonii var. diminuta, P. brevicostata, P. burkii, P. cardinaliculus, P. cardinalis, P. cocconeis, P. dactylus, P. distinguenda, P. divergens, P. divergens var. bacillaris, P. divergens var. elliptica, P. fasciata, P. gentilis, P. gibba, P. gibba var. linearis, P. gibba var. parva, P. gibba fo. subundulata, P. globiceps, P. globiceps var. krockii (P. krockii), P. hemiptera, P. intermedia, P. interrupta, P. interrupta var. crassior (P. lundii), P. kriegeriana, P. krockii, P. latevittata var. domingensis, P. legumen, P. leptosoma fo. erlangensis, P. lundii, P. major, P. mesolepta, P. microstauron, P. microstauron var. biundulata, P. nobilis, P. nodosa, P. obscura, P. radiosa, P. rupestris, P. ruttneri, P. semicruciata, P. socialis, P. stomatophora, P. subcapitata, P. subcapitata var. paucistriata, P. subrostrata, P. substomatophora, P. sudetica, P. tabellaria, P. tenuis var. interrupta, P. termes, P. termitina, P. tibetana, P. torta, P. trigonocephala, P. undulata var. subundulata, P. viridis, P. viridis var. commutata

Alternative Name Preferred: P. leptosoma (Caloneis leptosoma), P. molaris (C molaris), P. tenuis (C tenuis), P. undulata (C undulata)

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