Report mistakes and make suggestions for corrections. It is not necessary to provide personal data.
You can also suggest species for inclusion by entering its name. They will probably only be provided in the extended paid version:
As a rule, only frequent, important or conspicuous species are included in the app.
The descriptions come from free sources. Contents and sequence are taken over unchanged and only sections are shortened. Text adaptations are only made in exceptional cases if information is clearly incorrect or missing.
You are also welcome to report better images and descriptions from free sources, which allows the use of the content through a Creative-Commons-License or similar free license.
Changes are usually included in the next update.
We ask for your understanding if we cannot implement all suggestions for improvement.