Mann's Island-spleenwort (Asplenium dielmannii)

Global Rank: G1 - Critically Imperiled
Legal Status: Federally Endangered
Family: Aspleniaceae
State: HI
Nature Serve ID: 138567
Lifeform: Forb/herb
Categories of Interest: Ferns
Date Inducted in National Collection:

Description:

Connected by curved rhizomes below and at surface level, this spleenwort has finely differentiated fronds with stand very erect.

Where is Mann's Island-spleenwort (Asplenium dielmannii) located in the wild?

Habitat:

This fern is found in subtropical to tropical moist lowland forests at high elevations.

Distribution:

The Diellia genus is endemic to the Hawaiian Islands, with this species endemic to the Waimea Region of Kauai.

States & Provinces:

Mann's Island-spleenwort can be found in Hawaii

Which CPC Partners conserve Mann's Island-spleenwort (Asplenium dielmannii)?

Harold L. Lyon Arboretum

Not Sponsored

Assigned 06/09/17

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

Clarice Mendoza

09/07/2017

Ecological threats to this rare species include habitat degradation by feral pigs, browsing by livestock, and competition for resources with introduced plant species.

Clarice Mendoza

09/07/2017

Only one single plant is known in its native range, last observed in 2004.

Nellie Sugii

01/01/2010

This species is possibly extinct on Kauai. The last collection is from the 1800's.