P. endophyticus may refer to:

Phycicoccus endophyticus, a Gram-positive bacterium. Pseudoclavibacter endophyticus, a Gram-positive bacterium. Pseudogracilibacillus endophyticus, a Gram-positive bacterium. Pseudonocardia endophytica (synonym for Pseudonocardia endophyticus), a Gram-positive bacterium.