Isoetes howellii Engelm.
Howell's quillwort, Quillwort
2022 Ken-ichi Ueda
2022 Ken-ichi Ueda
2023 R.A. Chasey
2023 John Rawlings
2023 R.A. Chasey
2023 R.A. Chasey
2004 Carol W. Witham
2007 Neal Kramer
2007 Neal Kramer
Isoetes howellii is a lycophyte that is
native to California, and also found elsewhere in
western North America.
Siskiyou
Del Norte
Modoc
Humboldt
Shasta
Lassen
Trinity
Plumas
Tehama
Butte
Mendocino
Glenn
Sierra
Yuba
Lake
Nevada
Colusa
Placer
Sutter
El Dorado
Yolo
Alpine
Napa
Sonoma
Sacramento
Mono
Amador
Solano
Calaveras
Tuolumne
San Joaquin
Marin
Contra Costa
Alameda
Santa Cruz
Mariposa
Madera
San Francisco
San Mateo
Merced
Fresno
Stanislaus
Santa Clara
Inyo
San Benito
Tulare
Kings
Monterey
San Bernardino
San Luis Obispo
Kern
Santa Barbara
Ventura
Los Angeles
Riverside
Orange
San Diego
Imperial
Information about
Isoetes howellii
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2022 Ken-ichi Ueda:!2022 Ken-ichi Ueda:!2023 R.A. Chasey:!2023 John Rawlings:!2023 R.A. Chasey:!2023 R.A. Chasey:!2004 Carol W. Witham:!2007 Neal Kramer:!2007 Neal Kramer:!
mg164042:!mg164042:!mu37637:!po248411:!mu37637:!mu37637:!null:!null:!null:!
Calflora :
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2024. Berkeley, California:
The Calflora Database
[a non-profit organization].
Available:
https://www.calflora.org/
(Accessed: 11/21/2024).
