![Oak tree Quercus robur](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Oak tree Quercus robur
Oak tree Quercus robur in full leaf. Illustration from The Hidden Universe: Adventures in Biodiversity by Alexandre Antonelli
![Lime leaf nail galls Lime Tilia europaea](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Lime leaf nail galls Lime Tilia europaea
Lime leaf nail galls Lime Tilia europaea caused by the mite Eriophyes tiliae
![Knopper gall Andricus quercuscalicis on English Pendunculate or Common Oak Quercus robur](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Knopper gall Andricus quercuscalicis on English Pendunculate or Common Oak Quercus robur
Knopper gall Andricus quercuscalicis on English Pendunculate or Common Oak Quercus robur. Illustrations shows mature gall, formed from acorn embryonic tissue thanks to the gall wasp
![Knopper gall Andricus quercuscalicis and Oak apple gall Cynips quercusfollii on English Pendunculate or Common Oak Quercus robur](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Knopper gall Andricus quercuscalicis and Oak apple gall Cynips quercusfollii on English Pendunculate or Common Oak Quercus robur
Knopper gall Andricus quercuscalicis and Oak apple gall Cynips quercusfollii on English Pendunculate or Common Oak Quercus robur
![Terebinth Pistacia palastina spray](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Terebinth Pistacia palastina spray
Terebinth Pistacia palastina spray with leaves and flowers on branch
![Terebinth Pistacia palastina tree](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Terebinth Pistacia palastina tree
Terebinth Pistacia palastina tree showing habit and growth form
![Fig Ficus carica fruit](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Fig Ficus carica fruit
Fruit of the fig tree and a half fig
![Fig Ficus carica tree](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Fig Ficus carica tree
Fig tree showing palmate leaves and growth form
![Blackthorn or Sloe Prunus spinosa](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Blackthorn or Sloe Prunus spinosa
Blackthorn or Sloe Prunus spinosa, one sprig in blossom and the other bearing fruit
![Wych elm Ulmus glabra](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Wych elm Ulmus glabra
Wych elm Ulmus glabra with fruit, flower, and leaves on twig
![Oak bark Quercus robur](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Oak bark Quercus robur
Oak bark Quercus robur study
![Oak polypore fungus piptoporus quercinus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Oak polypore fungus piptoporus quercinus
Oak polypore fungus piptoporus quercinus bracket fungus growing on the side of an oak tree
![Oak Quercus robur](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Oak Quercus robur
Oak Quercus robur pen and ink tree shape without leaves
![Elm Ulmus minor](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Elm Ulmus minor
Elm Ulmus minor pen and ink shaded drawing of the tree shape without leaves
![Blackthorn Prunus spinosa](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Blackthorn Prunus spinosa
Blackthorn Prunus spinosa with a sprig showing spine, leaf and fruit and the other sprig showing blossom
![Oak woodland with lichens, moss, insects and birds](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Oak woodland with lichens, moss, insects and birds
Oakland landscapw with details of mosses and lickesn and some insects that live in and on the oak trees including beetles and wasps; bird in the background include the nuthatch, pied flycatcher, warbler, and great tit