Isoetes lacustris Linnaeus. Common name: Lake Quillwort. Phenology: Jul-Sep. Habitat: Submerged in lakes and permanent streams. Distribution: Apparently extirpated from the historic locality in VA.
Origin/Endemic status: Native
Taxonomy Comments: A decaploid species (2n=110).
Synonymy ⓘ: = AqW, C, Can, FNA2, K4, NS, NY, POWO, Va; > Isoetes macrospora Durieu — F, G, W. Basionym: Isoetes lacustris L. 1753
Links to other floras: = Isoetes lacustris - FNA2
Show parent genus | Show parent in key(s)
Wetland Indicator Status:
- Eastern Mountains and Piedmont: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 8
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.
© Alan Cressler: Isoetes lacustris, Piseco Lake, Little Sand Point State Campground, Adirondack Park, Hamilton County, New York 3 by Alan Cressler source | Original Image ⭷Feedback
See something missing or incorrect about Isoetes lacustris? Let us know here:
- Please include your name and if possible, email in case when need to clarify what you wrote.
- If you opt out of including email, please be as specific as possible (e.g., which photo is incorrect?)
- Please do not submit questions asking to identify plants or about horticultural topics (e.g., how do I control an invasive plant in my garden?). Instead, those questions can be submitted here for the Carolinas region only.
- Please do not send us feedback about unkeyed species as this work is ongoing.
- Please allow time for flora edits to show in our next data release. We greatly appreciate your feedback but may require extra time to research complicated taxonomic issues.
Horticultural Information
Intro:
Stems:
Leaves:
Inforescence:
Flowers:
Fruits:
Comments:
Height:
plant sale text:
bloom table text:
description:
stems:
leaves:
inflorescence:
flowers:
fruits:
comments:
cultural notes:
germination code:
native range:
0 unsaved edits on this page.