Collection Details

Species: Najas sp.

Hydrocharitaceae Najas sp.
J. E. Householder , Phillip Hennessy and Adriana Trutzenberg 1682

Collection Date: 3 August 2012
Determined By: J. E. Householder
Determination Date: 25 February 2014
Institution: INPA


Continent: South America

Country: Brazil

Region: Roraima

Subregion: RorainĂ³polis

Closest Town: Xixuau

Locality Description: Headwaters region of the Rio Juaperi, tributary of the Rio Negro flowing parrallel to Rio Branco.

DD Latitude: -0.22991

DD Longitude: -61.4787

Coordinate uncertainty: 1000 m

Min. Elevation: 50 m


Habitat Description: Permanantely flooded black water swamp dominated by Mauritia flexuosa. Water depth ranges from 1 to 3 meters. Water with little to no turbidity, visibility to 3 meters.

Soil Description: Substrate clay with abundant organic material.

Habitat: Aguajal Wetland

Botanical Data

Plant Notes: Herb. Submerged. Occuring with Utricularia forming massive mats of aquatic plants."Green hair" Sterile.

Habit: Herb

Other Data

Project: Aguajal Project