Asplenium ceterach #08
Asplenium marinum #14
Llyn Ogwen, Ogwen Valley, Eryri National Park #05
Llyn Padarn, Snowdonia, Gwynedd #09
Llynnau Mymbyr, Snowdonia National Park #06
Nant Ffrancon Pass, North Wales #04
Participants #01
Participants #02
Participants #03
Participants #12
Polypodium hybrid #07
Polypodium hybrid #10
Polypodium hybrid #11
Snowdonia (Eryri) National Park #15
unknown location #13