Sea Sawdust
Trichodesmium
Trichodesmium, also called sea sawdust, is a genus of filamentous cyanobacteria. They are found in nutrient poor tropical and subtropical ocean waters (particularly around Australia and in the Red Sea, where they were first described by Captain Cook). Trichodesmium is a diazotroph; that is, it fixes atmospheric nitrogen into ammonium, a nutrient used by other organisms. Trichodesmium is thought to fix nitrogen on such a scale that it accounts for almost half of the nitrogen fixation...
5 branches of this genus, most-observed first
Trichodesmium erythraeum
speciesTrichodesmium erythraeum
Trichodesmium lacustre
speciesTrichodesmium lacustre
Trichodesmium iwanoffianum
speciesTrichodesmium iwanoffianum
Trichodesmium thiebautii
speciesTrichodesmium thiebautii
Trichodesmium hildebrandtii
speciesTrichodesmium hildebrandtii
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Trichodesmium in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 746897.