- Plants
- ›Vascular Plants
- ›flowering plants
- ›monocots
- ›Aroids, Water Plantains, Seagrass, and allies
- ›pondweed family

Althenia
Althenia is a genus of aquatic plants of the family Potamogetonaceae. This has long been a group of two species in the Mediterranean Europe and South Africa, but in 2016 was revised to include an Australasian relative, Lepilaena. The genus is named after the agronomist Jean Althen.
7 branches of this genus, most-observed first

Althenia filiformis
speciesAlthenia filiformis

Althenia orientalis
speciesAlthenia orientalis

Althenia bilocularis
speciesAlthenia bilocularis

Long-Fruit Water-Mat
speciesAlthenia cylindrocarpa

Althenia preissii
speciesAlthenia preissii

Althenia hearnii
speciesAlthenia hearnii

Althenia australis
speciesAlthenia australis
Where it lives
Recorded sightings
—
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 Althenia 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 485624.