121272
Shrubs include arrowwood ( " Viburnum dentatum " ) , spicebush ( " Lindera benzoin " ) , highbush blueberry ( " Vaccinium corymbosum " ) , sweet pepperbush ( " Clethra alnifolia " ) , and swamp azalea .
 Viburnum dentatum, Lindera benzoin, Vaccinium corymbosum, Clethra alnifolia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Viburnum dentatum, Lindera benzoin, Vaccinium corymbosum, Clethra alnifolia