Isoetes histrix
European and African species of quillwort
From Wikipedia, the free encyclopedia
Isoetes histrix, the land quillwort,[1] is an aquatic pteridophyte native to the Mediterranean region, northwestern Africa, and the coasts of western Europe northwest to Cornwall. It occurs mainly in temporarily wet habitats, otherwise called vernal pools.
| Isoetes histrix | |
|---|---|
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Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Lycophytes |
| Class: | Lycopodiopsida |
| Order: | Isoetales |
| Family: | Isoetaceae |
| Genus: | Isoetes |
| Species: | I. histrix |
| Binomial name | |
| Isoetes histrix | |
The leaves are 3–8 cm long, and summer-deciduous. It differs from Isoetes durieui by its large black scales between the leaves, though these are not always present, and a surface of megaspores with tubercles, whereas I. durieui has a network of ridges.
