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Diatoms
Stephanodiscus spp.

  

Stephanodiscus spp.

Profiles: Globe icon indicates link to a non-NOAA siteUniversity of Michigan, Globe icon indicates link to a non-NOAA siteCalifornia Academy of Science, Globe icon indicates link to a non-NOAA siteFlorida International University

D - Several Stephanodiscus species are major components of the Great Lakes spring diatom bloom (S. subtransilvanicus and S. niagarae in Lake Superior; S. alpinus and S. subtransilvanicus in Lake Michigan; S. subtransilvanicus in Lake Huron; S. hantzschii f. tenuis, S. niagarae, S. alpinus, S. binderanus and S. parvus in Lake Erie; S. niagarae and S. alpinus in Lake Ontario. S. alpinus is also a winter dominant in Lake Ontario.

19 Great Lakes Species (including alternative names and named varieties): S. alpinus, S. astraea, S. astraea var. intermedia, S. astraea var. minutula (S. minutulus), S. astraea var. minutulus, S. binderanus, S. binderanus var. oestrupii, S. carconensis, S. carconensis var. pusilla, S. conspicueporus, S. hantzschii, S. hantzschii var. pusilla, S. hantzschii fo. tenuis, S. hantzschii vel. tenius, S. kutzingiana, S. lucens (Thalassiocyclus lucens), S. medius, S. minutula, S. minutulus, S. minutus (S. medius), S. niagarae, S. niagarae var. magnifica, S. parvus, S. rotula, S. rotula var. minutula, S. subtilis, S. subtransilvanicus, S. superiorensis, S. tenuis (S. hantzschii fo. tenuis), S. transilvanicus, S. vestibulis

S. binderanus and S. subtilis are both non-native - GLANSIS

Alternative Name Preferred: S. dubius (Cyclostephanos dubius), S. invisitatus (Cyclostephanos invisitatus), S. subsalsus (Skeletonema subsalsum),

S. binderanus filament segment with 2 full cells (and 2 partial)S. niagarae

Globe icon indicates link to a non-NOAA siteCalifornia Academy of Sciences

Additional Photos
Globe icon indicates link to a non-NOAA siteGreat Lakes Diatom Home Page - University of Michigan
Globe icon indicates link to a non-NOAA siteBowling Green State University
Globe icon indicates link to a non-NOAA siteFlorida International University

Video
Globe icon indicates link to a non-NOAA siteMichigan Tech - The Wall

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