 Since that time, other species of "Legionella" that cause Pontiac fever have been identified, most notably in New Zealand, in 2007 where "Legionella longbeachae" was discovered.The New Zealand outbreak also marked the first time Pontiac fever had been traced to potting soil.Species of "Legionella" known to cause Pontiac fever include "Legionella pneumophila", "Legionella longbeachae", "Legionella feeleii", "Legionella micdadei", and "Legionella anisa".