In high school , Braun herself began collecting plants for study , the beginning of a huge personal herbarium that she assembled over her lifetime , composed of 11,891 specimens .
Braun 's mother even had a small herbarium .
In high school , Braun herself began collecting plants for study , the beginning of a huge personal herbarium that Braun assembled over Braun 's lifetime , composed of 11,891 specimens .
Braun 's mother even had a small herbarium .