Michael & Patricia Fogden / Passionvine Butterfly (Heliconius clysonimus) attempting to feed at Crucifix Orchid (Epidendrum radicans) the original mimics Lantana sp and Asclepias curassavica but provides no nectar

Rod Williams / Wolf's milk slime mould (Lycogala epidendrum) on a fallen tree, Brockley Cemetery, Lewisham, London, England, UK. April.

Claudio Contreras / Lady of the night orchid (Brassavola nodosa) flower, Puerto Morelos, Yucatan Peninsula, Mexico, January

Claudio Contreras / Many flowered epidendrum orchid (Epidendrum polyanthum) flower. Cultivated, found in cloud forest from Mexico to Venezuela, May

Claudio Contreras / Long-petaled epidendrum orchid (Epidendrum longipetalum) flower. Cultivated, found in oak and cloud forest in central Mexico, October

Claudio Contreras / Marie's epidendrum orchid (Euchile mariae) flower. Cultivated, found in northwestern Mexico, August

Claudio Contreras / Leg-armor epidendrum orchid (Epidendrum cnemidophorum) flower. Cultivated, found in cloud forest from southern Mexico to Costa Rica, March

Joao Burini / Orchid flower (Epidendrum sp) Ilha do Cardoso State Park, Atlantic Forest South-East Reserves UNESCO World Heritage Site, Brazil.

Alex Hyde / Wolf's milk slime mould (Lycogala epidendrum) Sherwood Forest National Nature Reserve, Nottinghamshire, UK. October.

Alex Hyde / Wolf's milk slime mould (Lycogala epidendrum), a species of slime mould. The aethalia or fruiting bodies are seen here on a decaying birch trunk. Sherwood Forest National Nature Reserve, Nottinghamshi...

Jussi Murtosaari / Wolf's milk (Lycogala epidendrum) plasmodial slime mould, Jyvaskya, Keski-Suomi, Lansi- ja Sisa-Suomi / Central and Western Finland, Finland. September

Tui De Roy / Epiphytic Orchid (Epidendrum spicatium) endemic species, Highlands, Santa Cruz Island, Galapagos.