REMOVE

1. Hough 11

WHAT

1. SLIPPERY ELM, RED ELM (2)
2. ULMACEAE Ulmus rubra (2)

WHERE

1. North Carolina State Univ … (2)

WHO

1. Bill Bryan (1)
2. Romeyn B. Hough (1)

WHEN

1. Modern Hardwood (2)