Padina boergesenii, commonly known as the leafy rolled-blade alga,[2] is a species of small brown alga found in the tropical and subtropical western Atlantic Ocean, the Mediterranean Sea,[1] and the Pacific Ocean.

[3] Padina boergesenii is a distinctive small brown alga with rounded fronds growing to a length and diameter of 4 to 6 cm (1.6 to 2.4 in).

Fronds are thin, leafy, and flat, with narrow or wide lobes, and grow on short stems from a fibrous, bulbous holdfast.

[4] P. boergesenii has a wide but scattered presence in shallow water in tropical, subtropical, and warm temperate oceans.

[citation needed] The type locality is the United States Virgin Islands, and the maximum depth at which it grows is 1 m (3 ft).