lamb's quarters vs white goosefoot

lamb's quarters

noun
  • Chenopodium album, of the goosefoot family, sometimes used as a potherb 

  • Any of several similar plants of genera Chenopodium and Atriplex. 

white goosefoot

noun
  • Chenopodium album, probably native to Europe, now widely cultivated. 

How often have the words lamb's quarters and white goosefoot occurred in a corpus of books? (source: Google Ngram Viewer )