Scales on the abaxial frond surface of a herbarium specimen of Asplenium ceterach. This small fern lives on rocks and in the mortar lines of brick walls in Eurasia. The scales presumably prompted the common name 'rustyback' and help with what is unusual drought tolerance for a #fern. #microscopy #photography #botany

Heliconicaceae and a funky fern of some sort. #florispondence #flora #flower #fern

And a fern frond before it unfurls.

#macro #plant #fern