$modus 0:
$modus 1:
Viburnum pyramidatum
Viburnum pyramidatum Rehder [Accepted]
Caprifoliaceae Caprifolioideae Viburneae
2 1060217 Viburnum pyramidatum Rehder
C.S. Sargent, Trees & Shrubs, vol. 2 : t. 144 (1855) [C.E. Faxon]