Cribb, Phillip J., The Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey TW93AE, UK., Reino Unido

• Lankesteriana: International Journal on Orchidology 2023: Lankesteriana: Volume 23, number 3 (September–December) - Invited papers
  A new endemic species of Polystachya (Polystachyinae) from eastern Tanzania
  Abstract  PDF  EPUB