*Macrothelypteris torresiana (Gaudichaud-Beaupré) Ching. Common name: Mariana Maiden Fern. Phenology: Jan-Dec. Habitat: Wet hammocks, cypress swamps, streamsides, moist forests, disturbed areas, increasingly invasive in natural habitats (especially in the southern parts of our area). Distribution: Native of the Asian and African tropics. Leonard (1972) and Wyatt (2020) discussed the history of this species in the southeastern United States. Macrothelypteris torresiana continues to spread northward, and has been reported for KY (Gorman, Bruton, & Estes 2011) and IL (Mohlenbrock 2014).
Origin/Endemic status: Paleotropics
Synonymy ⓘ: = Ar, Bah, ETx1, Fl1, FNA2, FoC, Il, K4, Meso1, NS, POWO, Tn, TxFerns, WH3, Fawcett & Smith (2021), Smith & Kessler (2017); Polystichum torresianum Gaudich. = Dryopteris setigera (Blume) Kuntze — S13, Sf, misapplied; = n/a — C, RAB; = Thelypteris torresiana (Gaudich.) Alston — SFla, Tx. Basionym: Polystichum torresianum Gaudich. 1828
Links to other floras: = Macrothelypteris torresiana - FNA2
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACW
- Eastern Mountains and Piedmont: FAC
- Midwest: FACU
Heliophily ⓘ: 6
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