Phlegmariurus mannii

Phlegmariurus mannii, synonym Huperzia mannii, is a species of lycopod,[1] known by the common names Mann's clubmoss and wawaeʻiole. It is endemic to Hawaii, where there are only six populations remaining.[2] It is a federally listed endangered species of the United States.

Phlegmariurus mannii

Critically Imperiled  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Lycophytes
Class: Lycopodiopsida
Order: Lycopodiales
Family: Lycopodiaceae
Genus: Phlegmariurus
Species:
P. mannii
Binomial name
Phlegmariurus mannii
(Hillebr.) W.H.Wagner[1]
Synonyms[1]
  • Huperzia mannii (Hillebr.) Holub
  • Lycopodium mannii (Hillebr.) Skottsb.
  • Lycopodium phlegmaria var. mannii Hillebr.

This plant is an epiphyte which grows upon other plants, especially koa (Acacia koa), ʻolapa (Cheirodendron trigynum), and kawaʻu (Ilex anomala).[3] It has a hanging, branching, reddish stem no more than 10 centimetres (3.9 in) long. Each branch has three longitudinal rows of toothlike leaves. When reproducing the plant produces a branching fruiting spike which may be up to 20 centimetres (7.9 in) long.[3]

Today the plant is known from just a few occurrences on the islands of Maui and Hawaii. It is historically known from Kauai, but it may be extirpated there.[2] Threats to its existence include damage to the habitat by feral pigs, cattle, and introduced plant species, and the fact that there are few individuals remaining.[2][3]

References
  1. Hassler, Michael & Schmitt, Bernd (August 2019). "Phlegmariurus mannii". Checklist of Ferns and Lycophytes of the World. 8.10. Retrieved 2019-10-14.
  2. "Huperzia mannii". The Nature Conservancy.
  3. Huperzia mannii. Archived 2012-05-31 at the Wayback Machine Hawaii's Comprehensive Wildlife Conservation Strategy.


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