Saturday
Apr122014

Moth

A small grey moth, probably Perittia obscurepunctella (Lepidoptera: Elachistidae).  The adults of this species fly in April and May, and the larvae mine the leaves of honesuckle (Lonicera sp).

Specimen taken in Whiteknights Park, Reading, UK, on 2014-04-11

Friday
Apr112014

Strange Plant

I first noticed this strange Arum-like plant a few years ago.  It was growing on the banks of the the top lake just below the pile of boulders that is known as the Grotto.  I had some difficulty in identifying it as it was obviously not a native to the UK.  I eventually found it mentioned in this post on the Whiteknights Biodiversity blog at Reading University as Lysichiton americanus, otherwise known as western or yellow skunk cabbage because of its smell (though I didn't notice an particularly strong smell while taking these photos).  It is a member of the Aracea, the Arum family.

This is a close-up of the tiny flowers:

Photos taken in the Wilderness, Whiteknights Park, Reading, UK, on 2014-04-06.

Thursday
Apr102014

Horsetail

A fertile shoot of horsetail, Equisetum arvense.

I took a specimen home with me.  This is a close-up of the sporangiophores:

It yielded spherical spores of about 50x50um (magnification x600, field width 86um):

Some seemed to be entangled with some tubular structures:

First photo and specimen taken in Whiteknights Park, Reading, UK, on 2014-04-06.

Wednesday
Apr092014

Lichen

A branched lichen, probably Evernia prunastri, on an oak branch.

I took a specimen home with me:

First photo and sample taken in the Wilderness, Whiteknights Park, Reading, UK, on 2014-04-06.

Tuesday
Apr082014

Leaf-Spot Fungus

Light-brown spots on leaves of Arum maculatum, probably caused by the fungus Spermosporina aricola.

I took the following leaf home with me to look at more closely:

This is a close-up of the spots on the upper surface:.

And this is the lower surface:

Unfortunately I was unable to get any spores from them.

First photo and specimen taken in Whiteknights Park, Reading, UK, on 2014-04-05.