Isoetes tegetiformans - Earth.com
isoetes tegetiformans
12-22-2016

Isoetes tegetiformans

Isoetes tegetiformans NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports — ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.Isoetes tegetiformans, commonly known as mat-forming quillwort or mat-forming Merlin’s grass, is an aquatic lycophyte endemic to the U.S. state of Georgia. It grows exclusively in shallow, temporary pools on granite outcrops, often with only 2 cm of soil. Only 7 populations are known to exist, and three of these have been destroyed since the plant’s discovery in 1976. The remaining populations are threatened with habitat destruction due to quarrying, though the species is protected under the U.S. Endangered Species Act. New leaves quickly sprout after fall and winter rains, but during the dry summer months these typically shrivel

FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Detailed information
Full Name: Mat-Forming quillwort (Isoetes tegetiformans)
Where found: Wherever found
Critical Habitat:N/A
Species Group:Ferns and Allies
Current listing status
Status Date Listed Lead Region Where Listed
Endangered 02/05/1988 Southeast Region (Region 4) Wherever found
  • States/US Territories in which the Mat-Forming quillwort, Wherever found is known to or is believed to occur: Georgia
  • US Counties in which the Mat-Forming quillwort, Wherever found is known to or is believed to occur: View All
Federal register documents
Date
Citation Page
Title
08/30/2016 81 FR 59650 59652 5-Year Status Reviews of 22 Southeastern Species; Notice of initiation of reviews; request for information.
07/26/2005 70 FR 43171 43173 5-Year Review of 13 Southeastern Species
02/05/1988 53 FR 3560 3565 End. or Thr. Status for 3 Granite Outcrop Plants; 53 FR 3560-3565
02/19/1987 52 FR 5150 5155 Proposed End. or Thr. Status for 3 Granite OUtcrop Plants; 52 FR 5150- 5155
09/27/1985 50 FR 39526 39584 Review of Plant Taxa for Listing as End. or Thr. Species; Notice of Review; 50 FR 39526-39584
11/28/1983 48 FR 53640 53670 Supplement to Review of Plant Taxa for Listing as End. or Thr. Species; 48 FR 53640-53670
12/15/1980 45 FR 82480 82569 Review of Plant Taxa for Listing as Endangered or Threatened Species
Recovery
No critical habitat rules have been published for the Mat-Forming quillwort.
Date
Title
Plan Action Status
Plan Status
07/07/1993 Granite Outcrop Plants (3 spp.) View Implementation Progress Final
Date
Title
Plan Action Status
Plan Status
07/07/1993 Granite Outcrop Plants (3 spp.) View Implementation Progress Final
Date
Citation Page
Title
Document Type
08/30/2016 81 FR 59650 59652 5-Year Status Reviews of 22 Southeastern Species; Notice of initiation of reviews; request for information.
  • Notice 5-year Review, Initiation
07/26/2005 70 FR 43171 43173 5-Year Review of 13 Southeastern Species
  • Notice 5-year Review
Date
Title
09/30/2008 Granite Outcrop Plants 5-year Review
News coming your way
The biggest news about our planet delivered to you each day