Grid-scale Maidenfern - Center For Plant Conservation
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Plant Profile

Grid-scale Maidenfern (Thelypteris patens)

Thelypteris patens in habitat, Miami-Dade County. Photo Credit: J. Possley
  • Global Rank: G5 - Secure
  • Legal Status: N/A
  • Family: Thelypteridaceae
  • State: FL
  • Nature Serve ID: 136035
  • Date Inducted in National Collection:

Lithophytic, trunked fern to 1.5 meters tall.

Where is Grid-scale Maidenfern (Thelypteris patens) located in the wild?


South Florida, the West Indies, Mexico, Central America and South America. 

States & Provinces:

Grid-scale Maidenfern can be found in Florida

Which CPC Partners conserve Grid-scale Maidenfern (Thelypteris patens)?

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

Nature Serve Biotics
  • 05/02/2017

Widespread (Greater and Lesser Antilles, Trinidad and continental tropical America from Mexico to Argentina) and common. Lellinger (1985) lists one historical escape in Florida.

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Taxon Thelypteris patens
Authority (Sw.) Small ex R. St. John
Family Thelypteridaceae
CPC Number 44660
ITIS 17263
Common Names gridscale maiden fern
Associated Scientific Names Thelypteris patens var. patens | Thelypteris patens
Distribution South Florida, the West Indies, Mexico, Central America and South America. 
State Rank
State State Rank
Florida S1
Ecological Relationships

Lead Institution State Reintroduction Type Year of First Outplanting
Fairchild Tropical Botanical Garden Florida Reinforcement 2014

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