Potamogeton sp. ‘Rapa Nui’

Rapa Nui Poondweed (Potamogeton sp.)

This taxon appears in lists of endemic plants that once inhabited Rapa Nui, it is known from pollen findings.

These pollen, however, appear to be at least 16600 years old, so are pre-Holocene of age; unfortunately, I have no idea how long this taxon may have survived on the island, thus it is mentioned here just for the sake of completeness.

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References:

[1] J. R. Flenley; Sarah M. King: Late Quaternary pollen records from Easter Island. Nature 307(5): 47-50. 1984
[2] Catherine Orliac: Données nouvelles sur la composition de la flore de l’île de Pâques. Journal de la Société des Océanistes  107: 135-143. 1998
[3] Anthony Dubois; Pierre Lenne; Elsa Nahoe; Marcos Rauch: Plantas de Rapa Nui. Guía Ilustrada de la Flora de Interés Ecológico y Patrimonial. Umanga mo te Natura, CONAF, ONF International, Santiago 2013

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edited: 13.11.2021