Elizabeth Nolan Brown
| Brooklyn, NY | Comments
Bulletin TodayRhizoctonia is a genus of asexual, anamorphic fungi known for causing crop diseases. It’s also the word that netted 67-year-old Michael Petrina Jr. his second first-place win at the AARP National Spelling Bee. Petrina also won the bee in 2009 and placed second in 2011 and 2008.