Family · Ferns & allies

Isoetaceae

Quillworts

Aquatic or amphibious lycophytes with a corm and quill-like leaves whose bases hold spores.

Accepted species

239accepted names · Kew WCVP

Genus

1accepted genus · Kew WCVP

Origin

≈61 MaPaleogene · crown age, Jin & Qian 2022 megatree

Centre of diversity

Southern Americamost native species · WGSRPD

Open Isoetaceae in the treePan, zoom and dig into its genera in the interactive view.›

Plants you might know

• Isoetes

Its genus

• Isoetes239 spp.

Where it grows

• Southern America68
• Northern America64
• Africa35
• Asia-Temperate33
• Europe24
• Australasia18
• Asia-Tropical13
• Pacific1

Native species richness by botanical continent (WGSRPD level 1), from Kew WCVP.

Related families

Isoetaceae sits in the order Isoetales.