- African Quillworts
- Images of these species from Stellenbosch, South Africa.
- Allison's Quillwort
- Images of this specie and its habitat in Greene County, Georgia.
- Biology Base California Plants Isoetaceae
- Lists species under this plant group.
- Broxton Quillwort
- Images of this specie and its habitat in Broxton Rocks Natural Area in Douglas, Georgia.
- Conecuh Quillwort
- Images of these species in this area in Alabama.
- Digital Flora Of Newfoundland And Labrador Vascular Plants Isoetaceae: Quillwort Family
- Provides a closed-up image of these species. With links to other images.
- Images of the Isoetaceae
- Links to photos of member species.
- Isoetaceae
- Provides information on distribution among US states..
- Isoetaceae Defining Morphology
- Provides information on the number of genera and species. Includes photos.
- Isoetes acadiensis Kott. Acadian Quillwort
- Images of this specie and its habitat in Mattaponi River, Virginia.
- Isoetes appalachiana
- Provides basic taxonomic data on this plant species. Includes map, source, citation, synonyms and images.
- Isoetes appalachiana Brunton And Britton. Appalachian Quillwort
- Images of this species and its habitat in Fountain Creek, Virginia.
- Isoetes boomii
- Offers brief information on Boom's quillwort. With tabs for maps, source, citation, synonyms, and images.
- Isoetes Boomii Luebke
- Images of this specie and its habitat in Laurens County, Georgia.
- Isoetes butleri Engel
- Images of this specie and its habitat in Bowling Green, Kentucky.
- Isoetes echinospora Durieu
- Images of this specie in its habitat in Lake Joseph, Ontario, Canada.
- Isoetes flaccida
- Offers brief information on the Florida quillwort. With tabs for maps, source, citation, synonyms, and images.
- Isoetes georgiana Luebke
- Images of this specie.
- Isoetes hyemalis
- Offers brief information on the Wintergreen quillwort. With tabs for maps, source, citation, synonyms, and images.
- Isoetes hyemalis Brunton
- Images of this specie in Dinwiddie County, Virginia, Harnett County, North Carolina, and Chickahominy River, Providence Forge, Virginia.
- Isoetes louisianensis Thieret
- Images of this specie.
- Isoetes melanopoda Gay and Durieu
- Images of this species in its habitat in Culpepper County, Virginia, and Mecklenberg County, North Carolina.
- Isoetes melanospora Engelm
- Images of this specie in its habitat in Mount Arabia, Georgia, and Camp Meeting Rock, Georgia.
- Isoetes piedmontana (N. E. Pfeiffer) C. F. Reed
- Images of this species in its habitat in Stallings Crossroads, North Carolina.
- Isoetes riparia Engel. Ex Braun
- Images of this species in its habitat in Alligator Creek, North Carolina.
- Isoetes Species List
- Provides access to different variety under this group.
- Isoetes tegetiformans Rury
- Images of this specie in its habitat in Greene County, Georgia.
- Isoetes valida (Engelm.) Clute
- Images of this specie in its habitat in Bass Lake, near Boone, North Carolina, and Glade Mill Pond, Blue Ridge Parkway, North Carolina.
- Isoetes virginica N. E. Pfeiffer
- Images of this specie in its habitat in Amelia County, Virginia.
- Isoetes xaltonharvillii Musselman
- Images of this specie and its habitat in Maury River, Rockbridge County, Virginia.
- List of Genera in Family Isoetaceae
- Offers standard form, synonym, and author information.
- Mattaponi Quillwort
- Images of these species and its habitat.
- Old Dominion University Isoetes Page
- Lists links dedicated to this plant species.
- Only Quillwort [Isoetes, Isoetaceae, Lycophyta) in Syria is Threatened with Extinction [PDF]
- Presents an Old Dominion University poster on the status of these endangered plants.
- Systema Naturae 2000 / Classification Subdivision Isoetopsida
- Presents a taxonomic tree of these species.
- Tipularia 2001 The Journal Of The Georgia Botanical Society
- Magazine edition that features quillworts, orchids and grasses.
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