P. humilis may refer to: Phacelia humilis, the low phacelia, a plant species native to the western United States Polistes humilis, the common paper wasp, a wasp species found throughout Australia Prosopis humilis, a flowering plant species Pseudopodoces humilis, the Tibetan ground-tit or Hume's ground-tit, a lark-like bird species found in the north of the Himalayas