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Asplenium x biscaynianum (D.C. Eaton) A.A. Eaton
Biscayne spleenwort

Asplenium x biscaynianum
Copyright by: Mike Rosenthal
In habitat in Miami-Dade County, Florida

Family: Aspleniaceae

Group: Pteridophyte

Substrate: Lithophyte

Habit: Herb

Perennation: Perennial

Native Range: Endemic to South Florida in Miami-Dade County.

Map of select IRC data for peninsular Florida

Florida Natural Areas Inventory State Status: Critically Imperiled

IRC SOUTH FLORIDA Status: Critically Imperiled

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Cultivated

Comments: Historically, most common in Brickell Hammock just south of downtown Miami (Small 1931). For a history of Biscayne spllenwort in South Florida through 2002, see account in IRC's Rare Plants of South Florida, page 188, or click on IRC's Species Account below.

For additional images by Jose Luis Perez Calo of a plant cultivated by Jennifer Possley of Fairchild Tropical Botanic Garden, click here.

Other data on Asplenium x biscaynianum available from :

Atlas of Florida Vascular Plants
Asplenium x biscaynianum has been found in the following 4 conservation areas :
Occurrence Native Status
Alice C. Wainwright Park Presumed Extirpated Presumed Extirpated
Castellow Hammock Park Possibly Extirpated Possibly Extirpated
Deering Estate at Cutler Presumed Extirpated Presumed Extirpated
Everglades National Park Possibly Extirpated Not Native, Cultivated Only

Asplenium x biscaynianum has been found in the following county :
Occurrence Native Status
Miami-Dade County Native

Asplenium x biscaynianum has been found in the following 2 habitats :
Rockland Hammock
Sinkhole

All Images:

Asplenium x biscaynianum
Copyright by: Mike Rosenthal
In habitat in Miami-Dade County, Florida
Asplenium x biscaynianum
Copyright by: John Kunkel Small
from Ferns of Florida, 1931 (public domain)
Asplenium x biscaynianum
Copyright by: Keith A. Bradley
Asplenium x biscaynianum
Copyright by: Keith A. Bradley