No Common Name Netrium digitus (BrĂ©bisson ex Ralfs) Itzigsohn & Rothe    
Kingdom Plantae   >   Division Charophyta   >   Class Zygnematophyceae   >   Order Zygnematales   >   Family Mesotaeniaceae   >   Genus Netrium   


The phylogenetic placement of the genus Netrium is somewhat uncertain, but it represents an early-branching (ancient) lineage in the Zygnematophyceae.


Netrium digitus is a unicellular green alga with relatively large, cylindrical to fusiform cells. The large chloroplast is axile with many longitudinal ridges with fimbriate edges.

Where to find:

Netrium digitus is relatively common in lentic freshwater habitats throughout Maryland (lakes, wetlands, slow moving streams)

There is 1 record in the project database.

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Netrium digitus in Charles Co., Maryland (1/22/2021). (c) johnbotany, some rights reserved (CC BY-NC). Photo by John Hall. (MBP list)

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