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Our outreach events provide a platform that encourages exchange between science and the public. Below you will find a list of current and upcoming events.

2nd December, 2023 - Public exhibition tour: "Friends & Foes"

As scientific curator, Dr. Dagmar Hann (LMU) guides through the photo exhibition "Friends & Foes" in the Green Hall of the Munich Botanical Garden.

Visitors will gain insights into the friendly as well as hostile interactions between plants and microorganisms and learn first-hand how the colourful microphotographs were created.

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Exhibition impressions Friends & Foes © TRR356

Start & meeting point

10 a.m. in the entrance hall of the greenhouses (no registration necessary)


In the Green Hall of the Botanical Garden München-Nymphenburg
Menzinger Street 65
80638 Munich
Phone: 089 17861-321
Website:  (for more information on opening hours and entrance fee)


The tour is bilingual in German and English.

4th November to 13th December, 2023 - Microphotography Exhibition "Friends & Foes" in the Botanical Garden Munich

Microorganisms are critical to the health of plants and thus to our food security. However, things are not always on a friendly basis. Quite contrary: on the one hand, plants can form so-called symbiotic communities with microscopic organisms that improve the plant's nutrient supply and protect it from pests; on the other hand, pathogenic microorganisms can cause massive damage to plants and turn out to be deadly enemies.

The exhibition "Friends & Foes - Interaktionen zwischen Mikroben und Pflanzen" presents both sides of plant-microbe interactions in a fascinating way. Researchers from TRR356 use their photographs to provide a microscopic view of biological processes that are normally hidden from the human eye. What may initially look like abstract art due to bizarre shapes, structures and garish colors, shows cellular changes, for example through defense mechanisms of plants or infection strategies of microorganisms, in large format. The exhibition explains in an understandable way for adults and children what is hidden behind the detailed images.

View the event on the website of the Botanical Garden Munich.

Ausstellungsplakat Friends and Foes

Friends & Foes exhibition poster © TRR356 / Botanischer Garten München-Nymphenburg


Admission to the exhibition is included in the regular admission ticket to the Botanical Garden.


Green Hall of the Botanical Garden Munich-Nymphenburg
Menzinger Straße 65
D-80638 Munich
Tel.: 089 17861-321
Fax: 089 17861-324