Deletion of A Checklist and Census Catalogue of British and Irish Bryophytes

Comment: I agree that it is ''probably'' a valuable work. However, first of all, "valuable" does not necessarily equal notability. Second, there is ''not a single source'' that confirms that this is actually an important and valuable work. If it is, there should be reviews in (specialist) journals, for example. Without sources, this does not meet 
Stance: delete
Cited policy: Wikipedia:Verifiability (WP:V)