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Floristic Inventory of the Florida Keys Database Online

Phymatosorus grossus (Langsd. & Fisch.) Brownlie
Serpent fern, Wart fern

Phymatosorus grossus
Copyright by: Mike Rosenthal

Family: Polypodiaceae

Group: Pteridophyte

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Old World tropics; widely cultivated and sometimes naturalized elsewhere.

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Not Native, Naturalized

SOUTH FLORIDA Cultivated Status: Cultivated

Comments: For more images, click on the Atlas of Florida Vascular Plants link below.

Synonyms: Microsorum grossum, P. scolopendria [misapplied].

FLORIDA KEYS Occurrence: Present

FLORIDA KEYS Native Status: Not Native, Cultivated Only

Map of select IRC data for the Florida Keys

Florida Keys History and Distribution: Not reported for the Florida Keys by John Kunkel Small in 1931. Cultivated from the upper Keys to the lower Keys. While naturalized on the South Florida mainland, it may be too dry in the Florida Keys for it to become established.

Other data on Phymatosorus grossus available from :

Atlas of Florida Vascular Plants

Phymatosorus grossus has been reported from the following 2 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Dagny Johnson Key Largo Hammocks Botanical State Park Presumed Extirpated Not Native, Cultivated Only
John Pennekamp Coral Reef State Park Presumed Extirpated Not Native, Cultivated Only






All Images:

Phymatosorus grossus
Copyright by: Mike Rosenthal
Phymatosorus grossus
Copyright by: Keith A. Bradley