Robuta

https://species.wikimedia.org/wiki/Isoetes_alata

Isoetes flaccida var. flaccida - Wikispecies

isoetes var wikispecies

https://www.semanticscholar.org/topic/Isoetes-sp.-Musselman-%26-Al-Zein-MSA-2006-11/6645420

Isoetes sp. Musselman & Al-Zein MSA 2006-11 | Semantic Scholar

semantic scholar isoetes sp musselman al