By now his herbarium specimens had grown to about 1500 in number.

At the time, the species was already known from numerous herbarium specimens.

Herbarium specimens were also a mix of the two species.

The research was based on leaf material from dry herbarium specimens.

Herbarium specimens range in colour from light brown to red.

Our county data are based primarily on the literature, herbarium specimens, and confirmed observations.

A historical record from Estonia has been discarded because no herbarium specimens could be found.

Herbarium specimens of plants are collected for a number of different uses.

Access is also much easier, as the herbarium specimens are not reloaded directly under the panel lights.

Its holdings also include about 1500 herbarium specimens.