While the Ghost Orchid offers the toughest challenge of any wild plant, there were fifty more British species Peter had yet to see, having ticked off the first 1,400 rummaging in hedges, slipping down gullies and peering in peat bogs.

While the Ghost Orchid offers the toughest challenge of any wild plant, there were fifty more British species Peter had yet to see, having ticked off the first 1,400 rummaging in hedges, slipping down gullies and peering in peat bogs.