For those of you interested in the topic...I've created a
landscaping with orchids group on Flickr to centralize photos of epiphytic/lithophytic orchids growing on rocks and trees.
If you have any photos of orchids growing on trees/rocks either in landscapes or in the wild, we'd love for your photos to be added to the group. The photos of orchids growing epiphytically/lithophytically in nature help to offer ideas on how orchids can be integrated into landscapes.