P. americana may refer to:

• Paradelphomyia americana, a crane fly species in the genus Paradelphomyia
• Periplaneta americana, the American cockroach, palmetto bug or waterbug
• Persea americana, the avocado, aguacate, palta, butter pear or alligator pear tree
• Pilularia americana, the American pillwort, an aquatic fern species
• Prunus americana, a species of plum tree
• Phytolacca americana

• Americana (disambiguation)

Topics referred to by the same term

This disambiguation page lists articles associated with the same abbreviated species scientific name.
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