"Sensitive or unique vegetation" means any species, cluster of species or type of habitat designated as sensitive or unique vegetation by an appropriate federal or state agency, any species of vegetation in a declining trend, any species of vegetation that has characteristics that have been identified as worthy of special consideration or any species of vegetation that is highly restricted in distribution or that occurs only in a very specialized habitat.
Nev. Admin. Code § 321.442
§ 2 of ch. 6, Stats. 2001 Special Session