Howell's quillwort
Isoetes howellii
Howell's quillwort (Isoetes howellii) is a species of quillwort, a type of lycopod. It is an aquatic plant native to western North America and grows in wet habitats such as vernal pools. It produces 5 to 28 pointed, cylindrical, bright green leaves that can reach 30 centimeters in length. The velum covers roughly one third of the spherical sporangia, which is 6 millimeters long. The ligule is in the shape of an elongated triangle. The megaspores...
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
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Every page naming Isoetes howellii in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 63823.