P. aurantiaca

P. aurantiaca may refer to:
 * Pilosella aurantiaca, the fox-and-cubs, orange hawkweed, tawny Hawkweed, Devil's paintbrush or Grim-the-collier, a flowering plant species native to alpine regions of central and southern Europe
 * Pseudomonas aurantiaca, a Gram-negative soil bacterium species