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IOS Member’s Night October

Mon, 2nd October 2023 @ 7:30 pm - 9:30 pm

Hybrid Hybrid Event
Free – €5.00

October Member’s Night.

We will be at our usual venue in the lecture theatre at the National Botanic Gardens, Glasnevin, Dublin

Presentation on Guatemalan Orchids

by Challen Willemsen

Challen Willemsen with a specimen of Prosthechea cochleata

At the October meeting we are both delighted and excited to have Guatemalan ecologist Challen Willemsen giving an online presentation from his cloud-forest clad homeland.

Challen’s passionate about botany, particularly neotropical orchids and epiphytes in general. He leads ecological tours and occasionally teaches online courses on botany, as well as Guatemalan plants and ecosystems.

A member of the IUCN (International Union for the Conservation of Nature) Species Survival Commission – Orchid Specialist Group. He is also a volunteer at El Tular Nature Reserve outside Guatemala City.

In May of this year Challen was awarded a Conservation Grant by the American Orchid Society to deepen the scope of his work at the reserve.

Join in online

This event is a hybrid event which means that if you want to attend in person you are very welcome to, just go the the IOS October Meeting Member’s In-Person attendance and click the orange Going button

If you cannot attend but want to participate online, go to the IOS October Meeting Member’s Virtual Attendance and click on the orange Going button and a link will be sent to you.

On the night a link to the event will appear on this page 15-minutes before the start of the event which when clicked will allow you to view and participate with the event online by video.

The evening is only available free to members of the Irish Orchid Society.

Public Tickets.

However if you are not a member, you can attend in person, there is an entry fee of €5 or you can pre-purchase a ticket online.

IOS May Trip to the UK

The members night is now on


Mon, 2nd October 2023
7:30 pm - 9:30 pm
Free – €5.00
Event Category:


National Botanic Gardens
National Botanic Gardens
Dublin,Co. DublinD09 VY63Ireland
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