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Dwarf Pillwort

Pilularia minuta

Dwarf Pillwort
Photo: Jörg Freyhof, CC BY 4.0

Dwarf pillwort is a small, delicate aquatic fern native to the Mediterranean basin that grows in temporary freshwater pools and relies on seasonal flooding. It is endangered because its wetland habitat is fragmented.

Family
Marsileaceae (Marsile family)
Grows as
Fern
Light
Full sun
Water
Keep it submerged or in saturated, shallow water during its growing season, and let the pool dry out seasonally as it would in the wild.
Soil
Wet, muddy soil or shallow pool sediment.
Temperature
Mild, Mediterranean-type conditions; frost-tolerant as a dormant spore stage.
How easy
Hard
Native range
Medit.
Climate
subtropical

About

Pilularia minuta is a species of fern in the family Marsileaceae. It is an ephemeral species that relies on seasonal flooding. Though widely distributed across the Mediterranean basin, it is considered an endangered species due to habitat fragmentation.

Where it grows

Pilularia minuta has a fragmented distribution across the Mediterranean basin and can be found in Algeria, Croatia, Cyprus, France (mainland France and Corsica), Greece (east Aegean Islands), Italy (mainland Italy, Sardinia, and Sicily), Morocco, Portugal, Spain (mainland Spain and the Balearic Islands), Tunisia, and Turkey. It grows in temporary freshwater pools at low elevations in a diverse range of habitats including forests, matorrals, and agricultural lands.

Other Pilularia plants

American pillwort · Pillwort

Text excerpted from the Wikipedia article Pilularia minuta by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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