He was collecting plants for the museum's herbarium.
She is curator of the Botanical Gardens' herbarium.
The herbarium was founded in 1864 by one of the first botany professors in the country.
Originally, herbariums served as lending libraries for newly discovered plants.
Flowering species visited by butterflies were identified at least to genus level (one only to family) by consulting the station herbarium and its curator.
Dioecious species were taken to be those stated as dioecious in the literature or in herbarium notes.
First, the high diversity creates difficulties for identification both in the field and in the herbarium.
Using surveys and herbarium collections, the total species richness of lianas in the park and reserve is estimated to be close to 500 species.
