Isoetaceae
Isoetes longissima
- Family
- Isoetaceae
- Genus
- Isoetes
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Synonyms
- Isoetes velata subsp. longissima (Bory) Greuter & Burdet
Photos
LeavesPhoto: Julien Renoult, CC BY 4.0, from iNaturalist 
Photo: Flavien Saboureau, CC BY 4.0, from iNaturalist 
Photo: Laurenç MARSOL, CC BY-SA 3.0, from Wikimedia Commons
More in Isoetes
- Lake quillwortIsoetes lacustrisIsoetaceae
- Isoetes echinosporaIsoetaceae
- Mueller’s reed snakeIsoetes muelleriIsoetaceae
- Bolander's quillwortIsoetes bolanderiIsoetaceae
- Maritime quillwortIsoetes maritimaIsoetaceae
- Isoetes andicolaIsoetaceae
- Appalachian quillwortIsoetes engelmanniiIsoetaceae
- Merlin's grassIsoetes tegetiformansIsoetaceae
- Appalachian quillwortIsoetes appalachianaIsoetaceae
- Western quillwortIsoetes occidentalisIsoetaceae
- Shore quillwortIsoetes ripariaIsoetaceae
- Narrow quillwortIsoetes sinensisIsoetaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0). About our plant data.