Fungi growing on trees in the ancient Wytham woodland, Oxford

Fungi growing on trees in the ancient Wytham woodland, Oxford

Yucca, Yucca Elephantipes, Single plant growing outdoor against a wall.-

Cactus, Mexican Giant Cardon, Pachycereus pringlei, Details of spiky plant against blue sky.-

Cactus, Prickly Pear Cactus, Opuntia cochenillifera, Detail of spiky plant against blue sky.-

Cactus, Pincushion Cactus, Mammillaria bombycina, Aerial view of spiky plants.-

Candelabra tree, Euphorbia candelabrum, Side view showing pattern against a blue sky.-

Cactus, Golden Barrel Catus, Echinocactus Grusonii var. Subinermis, Aerial view showing pattern of the spiky needles.-

Cactus, Golden Barrel Cactus, Echinocactus grusonii, Detail of spiky plant showing mass of needles.-

Cactus, Golden Barrel Cactus, Echinocactus grusonii, Aerial view of spiky plant showing mass of needles.-

Prickly pear cactus, Opuntia cochenillifera, Side view of older leaf with newer fresh leaf growing from it.

Saguaro cactus, Carnegiea gigantea, Dramatic view from below of a single stem with arms branching upwards towards a blue sky with wispy clouds, its shadow on a white wall.

Pincushion cactus, Mammillaria bombycina, Close top view showing pink flowers emerging out of one spine covered shoot.

Candelabra tree, Euphorbia candelabrum, Side view of several ridged spikey columns in sunlight against a blue sky.