P

Pityrogramma calomelanos (L.) Link

silverback fern

Pteridaceae Fern

Accumulation profile

As Arsenic Obligate

8,350 µg g⁻¹ DW

8.3× the arsenic threshold

Other arsenic accumulators →

Substrate: Arsenic-contaminated mine soils
Habitat: Mine tailings and disturbed ground
Distribution: Tropical America, pantropical (naturalised)
First reported: 2002 · Francesconi et al.
Verification: review-cited

Description & ecology

A second, independently confirmed arsenic-hyperaccumulating fern, important for remediation of arsenic-rich tailings in tropical mining regions.

References

Reeves, R. D., Baker, A. J. M., Jaffré, T., Erskine, P. D., Echevarria, G., & van der Ent, A. (2018). A global database for plants that hyperaccumulate metal and metalloid trace elements. New Phytologist, 218, 407–411. doi:10.1111/nph.14907

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