BRAND NEW

Orchids: The Bulletin of the American Orchid Society
July 2021 - Volume 90 Number 7

Contents:
  • An Introduction to PAR and PPFD: Why You Should Forget Lumens- Part 1 of a Five-Part Series on Light by Kelly McCracken
  • Paphiopedilum Henryanum: Jewels of the Genus Paphiopedilum from Southeast Asia by Olaf Gruss
  • "New" Vanilla Species: The Last 20 Years by T.J. Hartung
  • Stanhopea Tricornis and Eugene Langlassé by Rudolf Jenny
  • Orchids of Bhutan: The Bhutan Thunder Dragon Orchid Team Gets a New Member by Pem Zam