Haptoglossales

chromist order

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Last updated

July 19, 2026

Quick Summary

The Haptoglossales are a group of organisms that are parasitic on algae or plant roots, including sugar beets. They may not form a mycelium, and their sporangia develop inside host cells. Genera within this order include Haptoglossa, Lagena, and Pontisma. The Haptoglossales are classified within the phylum Oomycota, which are found in freshwater, wet soil, and marine habitats.1

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fungus
Annotated classification
Order Haptoglossales Parasitic on algae or plant roots, including roots of sugar beets; may be non-mycelial-forming; sporangia develop inside host cells; example genera include Haptoglossa, Lagena, and Pontisma. Fungi were once considered plants. However, nearly all fungal cell walls
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Order Haptoglossales Parasitic on algae or plant roots, including roots of sugar beets; may be non-mycelial-forming; sporangia develop inside host cells; example genera include Haptoglossa, Lagena, and Pontisma. Fungi were once considered plants. However, nearly all fungal cell walls
Read More