Isoetes macrospora
Quick Summary
Isoetes macrospora, commonly known as quillwort, is an aquatic or semi-aquatic plant belonging to the family Isoetaceae. It is one of approximately 250 species within the genus Isoetes. These plants are characterized by their grassy, spikelike leaves that grow from a corm-like base. Each leaf base contains a sporangium, where spores are produced. I. macrospora is found in cooler regions of North America and Eurasia, often growing submerged in freshwater environments. Some quillwort species are considered endangered due to habitat loss and pollution.1
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