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Isoëtes butleri
Also called Limestone quillwort, Butler's Quillwort
Isoetes butleri is a small aquatic-to-seasonal quillwort (lycophyte) that grows in seasonally wet, alkaline limestone soils, looking much like a grass or sedge. It dies back to an underground corm each summer, so keeping its wet-dry cycle is the key to growing it.
Isoetes butleri, commonly known as limestone quillwort, is a species of plant in the quillwort family, a member of the lycophytes.
It is native to the eastern United States, where it is scattered and local. It is found almost exclusively on seasonally wet alkaline soils. Common habitats include rocky prairies and glades, most often over limestone. This species is inconspicuous and easily overlooked, due to its superficial similarity to a vegetative grass or sedge.
Isoetes acadiensis · Isoetes alpina · Appalachian Quillwort · Isoetes araucaniana · Isoetes australis · Isoetes bolanderi · Isoetes brevicula · Isoetes capensis · Isoetes caroliniana · Isoetes × eatonii · Isoetes echinospora · Isoetes ecuadoriensis
Text excerpted from the Wikipedia article Isoetes butleri by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
