Spirodela intermedia W.Koch

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Illustration accompanying the description by Koch. Koch, W. 1932. Beitrag zur Lemnaceen-Flora Mittel- und Südamerikas. Berichte der Schweizerischen Botanischen Gesellschaft. Band 41 . Source: ETH Library Zurich, E-Periodica, https://www.e-periodica.ch.

The original description of this species including figure can be found here.

Key characteristics: As S. polyrhiza but without the red spot above the node and with 2-5 roots perforating the prophyllum

Ploidy: haploid, and diploid

Distribution: Native in south and central America

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