Appalachian Quillwort vs Bristlelike Quillwort

Isoetes engelmannii compared with Isoetes echinospora

Key Differences

• Appalachian Quillwort is Least Concern while Bristlelike Quillwort is Critically Endangered.

Taxonomic Classification

Rank	Appalachian Quillwort	Bristlelike Quillwort
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Tracheophyta	Tracheophyta
Class same	Lycopodiopsida (ヒカゲノカズラ綱)	Lycopodiopsida (ヒカゲノカズラ綱)
Order same	Isoetales (Isoetales)	Isoetales (Isoetales)
Family same	Isoetaceae	Isoetaceae
Genus same	Isoetes	Isoetes
Species	Isoetes engelmannii	Isoetes echinospora

Evolutionary Relationship

Appalachian Quillwort and Bristlelike Quillwort share a common ancestor at the Genus level: Isoetes.

Conservation Status

Appalachian Quillwort

LC — Least Concern

Bristlelike Quillwort

CR — Critically Endangered

Physical Characteristics

Attribute	Appalachian Quillwort	Bristlelike Quillwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Appalachian Quillwort

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Canada and United States.

Bristlelike Quillwort

Habitat

Inhabits temperate broadleaf and mixed forests and boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Appalachian Quillwort

The Appalachian Quillwort (Isoetes engelmannii) is a species in the genus Isoetes. It is currently classified as Least Concern on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.

Bristlelike Quillwort

The Bristlelike Quillwort (Isoetes echinospora) is a species in the genus Isoetes. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States