Kingdom:
Phylum:
Pteridophytes
Order:
Isoetales
Family:
Genus:
Species:
giessii
ID:
1111383

Status:
valid

Authors:
Launert

Source:
tro

Year:
1957

Citation Micro:
Mitt. Bot. Staatssamml. München 2: 309 (1957)

WFO Identifier:
wfo-0001110721



Common Names

  • Isoetes giessii
  • Giess' Quillwort
  • Giess' Isoetes


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Description

Isoetes giessii (also called Giess's Quillwort, among many other common names) is a small, perennial, evergreen, aquatic plant. It is native to the Mediterranean region. It typically grows in shallow water, such as lakes, ponds, and marshes.

Uses & Benefits

Isoetes giessii is used as an ornamental plant in water gardens and aquatic landscapes. It is also used as a food source for fish, birds, and other wildlife.

Flower, Seeds and Seedlings

The flower of Isoetes giessii is a small, greenish-yellow spike, with the seed being a small, dark brown spore. The seedlings are small, greenish-yellow, and have a single, long, thin leaf.

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Cultivation and Propagation

Isoetes giessii is a hardy, evergreen fern that can be propagated by division of the rhizome. It prefers partial to full shade and moist, well-drained soil. It is best grown in a sheltered spot in the garden, as it is susceptible to cold and frost.

Where to Find Isoetes giessii

Isoetes giessii is native to the island of Madagascar. It is found in moist, shady areas, such as in rainforests and along stream banks.

Species in the Isoetes genus

Isoetes texana, Isoetes alpina, Isoetes labri-draconis, Isoetes echinospora, Isoetes malinverniana, Isoetes taiwanensis, Isoetes bolanderi, Isoetes butleri, Isoetes eatonii, Isoetes engelmannii, Isoetes flaccida, Isoetes foveolata, Isoetes howellii, Isoetes lacustris, Isoetes lithophila, Isoetes macrospora, Isoetes melanopoda, Isoetes melanospora, Isoetes nuttallii, Isoetes orcuttii, Isoetes piedmontana, Isoetes riparia, Isoetes tegetiformans, Isoetes tuckermanii, Isoetes occidentalis, Isoetes maritima, Isoetes asiatica, Isoetes minima, Isoetes chapmanii, Isoetes valida, Isoetes aequinoctialis, Isoetes perrieriana, Isoetes giessii, Isoetes schweinfurthii, Isoetes alstonii, Isoetes stellenbossiensis, Isoetes transvaalensis, Isoetes welwitschii, Isoetes wormaldii, Isoetes acadiensis, Isoetes setacea, Isoetes truncata, Isoetes dodgei, Isoetes dodgei, Isoetes savatieri, Isoetes biafrana, Isoetes eatonii, Isoetes pringlei, Isoetes cubana, Isoetes panamensis,

Species in the Isoetaceae family

Isoetes texana, Isoetes alpina, Isoetes labri-draconis, Isoetes echinospora, Isoetes malinverniana, Isoetes taiwanensis, Isoetes bolanderi, Isoetes butleri, Isoetes eatonii, Isoetes engelmannii, Isoetes flaccida, Isoetes foveolata, Isoetes howellii, Isoetes lacustris, Isoetes lithophila, Isoetes macrospora, Isoetes melanopoda, Isoetes melanospora, Isoetes nuttallii, Isoetes orcuttii, Isoetes piedmontana, Isoetes riparia, Isoetes tegetiformans, Isoetes tuckermanii, Isoetes occidentalis, Isoetes maritima, Isoetes asiatica, Isoetes minima, Isoetes chapmanii, Isoetes valida, Isoetes aequinoctialis, Isoetes perrieriana, Isoetes giessii, Isoetes schweinfurthii, Isoetes alstonii, Isoetes stellenbossiensis, Isoetes transvaalensis, Isoetes welwitschii, Isoetes wormaldii, Isoetes acadiensis, Isoetes setacea, Isoetes truncata, Isoetes dodgei, Isoetes dodgei, Isoetes savatieri, Isoetes biafrana, Isoetes eatonii, Isoetes pringlei, Isoetes cubana, Isoetes panamensis,