1. Fern of tropical America: from southern United States to West Indies and Mexico to Brazil
   - black-stem spleenwort, black-stemmed spleenwort

Type of: spleenwort

• jack crevalle
• Jack Dempsey
• Jack Frost
• Jack Kennedy
• Jack Kerouac
• jack ladder
• Jack Lemmon
• Jack London
• jack mackerel
• Jack Nicklaus
• jack oak
• Jack of all trades
• jack off
• jack pine
• jack plane
• Jack Roosevelt Robinson
• Jack Russell
• Jack Russell terrier
• jack salmon
• Jack the Ripper
• jack up
• Jack William Nicklaus
• jack-a-lantern
• jack-by-the-hedge
• jack-in-the-box