Natural source of rubber Crossword Clue

• Much of a marmoset's diet

  New York Times · Saturday, December 23, 2017 · 7 letters

• It's transported in phloem

  New York Times · Friday, November 20, 2015 · 7 letters

• Source of some resins

  New York Times · Sunday, May 30, 2010 · 7 letters

• Syrup source

  New York Times · Wednesday, November 25, 2009 · 7 letters

More clues from this crossword

• 20-Across Creditor, in legalese
• 21-Across Champion boxer Errol ___ Jr.
• 21-Down Mole, e.g.
• 22-Across Once or twice
• 23-Across Like Mary Shelley when she wrote "Frankenstein"
• 24-Across Marketing expenditure
• 25-Across Bearing
• 27-Across County that's home to the White Cliffs of Dover
• 28-Across Unimpressed
• 29-Across Sheet under a tent
• 30-Across Sharp pain
• 31-Across Major vessel