"I love lichens. I really do." Which is fortunate, as April Windle is currently peering down a magnifying lens on a muddy bank in the middle of a slightly damp New Forest. "I've been lucky enough to spend nearly a decade actually studying and appreciating them," she says. Those 10 years have brought a wealth of knowledge which, as a member of the British Lichen Society, April is keen to share. "They look like plants," explains April. "They sit within the biological kingdom fungi. "What they do