Which epiphytic lichen species are rare?

Which species depend on old forests?

Which species depend on riparian areas?

Can we accelerate the development of old-growth associates in young forests by thinning or other management techniques?

Do remnant trees promote maintenance of old-growth associated lichens?

Should remnant trees be left clumped or dispersed to favor species at risk?

How can we recognize hotspots of lichen diversity and abundance?

What should we do to protect known populations?