When
Carl Linnaeus published the first classification of plants using
binomial nomenclature in 1753, he included five species of North American flowers under the genus
Gerardia. By 1810, botanists had realized that one of these species,
G. tuberosa, was distinctly different from the other four, but disagreed upon the proper resolution. It would remain controversial until the 1950's, when
Stenandrium was selected as the official name of the genus including
Gerardia tuberosa (now known as
Stenandrium tuberosum), while the opposing genus in
Orobanchaceae was formally typified under the name
Agalinis. ==Species==