black alder winterberry vs red nightshade

black alder winterberry

noun
  • A deciduous holly shrub, Ilex verticillata, native to eastern North America, growing best in moist circumstances. 

red nightshade

noun
  • Solanum villosum 

  • Phytolacca americana syn. Phytolacca decandra 

How often have the words black alder winterberry and red nightshade occurred in a corpus of books? (source: Google Ngram Viewer )