P. fragilis
Introduction '''''P. fragilis''''' may refer to:* ''Pentachaeta gracilis'', a plant species in the genus ''Pentachaeta'' endemic to California* ''Polysiphonia fragilis'', a red alga species* ''Phreatogammarus fragilis'', an amphipod species found only in New Zealand's South Island
Synonyms * ''Pleurothallis fragilis'', a synonym for ''Acianthera luteola'', an orchid species
See also * Fragilis (disambiguation)