biology

Potato Solanum tuberosum in flower with badly damaged leaves with Colorado beetle Leptinotarsa decemlineata on the leaf and also cut to white beetle. Egg, larva, and pupa

Oxlip Primula elatior

Potato Solanum tuberosum in flower with potato tubers amongst the roots

Diagram of a palmate leaf

Diagram of a panicle of flowers

Parsley Petroselinum crispum sprig and sprig with bud

Passion flower Passiflora with tendrils and leaves and bud

Pendulous sedge Carex pendulosa with ligule, stigmas, and fruit

Pennywort Umbilicus rupestris showing round fleshy leaves and white flowers

Pepper saxifrage Silaum silaus with detail of individual flower

Perforated St Johns wort Hypericum perforatum showing flowers and leaves

Oak bark Quercus robur study

Hooked Scorpion moss Scorpidium scorpioides tuft with detail of one fascicle and of a leaf

Oak polypore fungus piptoporus quercinus bracket fungus growing on the side of an oak tree

Magellenic Bog moss Sphagnum magellicum a tuft of this crimson moss then further details of one leaf and of several fascicles or shoots

Oak Quercus robur pen and ink tree shape without leaves

Pointed Spear moss Calliergonella cuspidata ruft, individual shoot, stem leaf and shoot tip leaf

Oat grass Avena ludoviciana with individual spikelet

Red bog moss Sphagnum capillifolium tuft, shoot, clump pf shoots, fasicle, stem leaf and branch leaf

Oil seed rape flower Brassica napus flowering spike in stippled pen and ink with watercolour top wash

Rusty Hook moss Scorpidium revolvens tuft, individual shoot, and one recurved leaf

Soft bog moss Sphagnum tenellum a clump of this tiny delicate yellow moss and details of a shoot tip, one leaf, one shoot, and a few shoots together

Woolly Fringe moss Racomitrium lanuginosum tuft with one hairy shoot and one lone leaf

Yellow starry feather moss Campyllium stellatum with detail of one shoot and of one leaf with cells at the base and a stem leaf