Little Aguja Pondweed / Center For Plant Conservation
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Plant Profile

Little Aguja Pondweed (Potamogeton clystocarpus)

  • Global Rank: G1 - Critically Imperiled
  • Legal Status: Federally Endangered
  • Family: Potamogetonaceae
  • State: TX
  • Nature Serve ID: 132015
  • Lifeform: Forb/herb
  • Date Inducted in National Collection: 02/09/1992

An aquatic plant that has branched, slender stems and linear leaves, about 9 cm long. Except for small, cylindrical spikes of flowers, this species grows completely submerged.

Where is Little Aguja Pondweed (Potamogeton clystocarpus) located in the wild?


Isolated, quiet pools of water rooted in igneous derived alluvium in the deep and rocky stream bed. Relatively shallow, usually quiet - but hydrologically dynamic - pools and flowing streams.


Endemic to a few kilometers of a single stream in Little Aguja Canyon, Jeff Davis County, Texas.

States & Provinces:

Little Aguja Pondweed can be found in Texas

Which CPC Partners conserve Little Aguja Pondweed (Potamogeton clystocarpus)?

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

Kim Taylor
  • 05/31/2017

Recreation, water diversion, severe flooding, extreme drought, changes in water quality from chemical contamination and from increased livestock numbers in nearstream areas.

Kim Taylor
  • 05/31/2017

One site in the Davis Mountains of west Texas.

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Taxon Potamogeton clystocarpus
Authority Fern.
Family Potamogetonaceae
CPC Number 3598
ITIS 39024
Duration Perennial
Common Names Little Aguja Pondweed
Associated Scientific Names Potamogeton clystocarpus | Potamogeton berchtoldii subsp. clystocarpus
Distribution Endemic to a few kilometers of a single stream in Little Aguja Canyon, Jeff Davis County, Texas.
State Rank
State State Rank
Texas S1
Ecological Relationships


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