- Tracey Librandi MummaPennsylvania Natural Heritage ProgramWildlife Biologist/Habitat Protection Section Chief(717) 783-5957 ext. 3614
- Dave LiebPennsylvania Natural Heritage ProgramSenior Ecologist/Invertebrate Zoologist814-359-5234
- Sarah LindseyUtah Natural Heritage ProgramHeritage Program Data Manager/Senior GIS Analyst(801) 538-4759
- Tara LittlefieldOffice of Kentucky Nature PreservesBiological Assessment and Plant Conservation Branch Manager; Senior Botanist/Ecologist(859) 333-9887
- Fernando LloverasPuerto Rico: División de Patrimonio Natural, Puerto RicoExecutive Director787-722-5834
- Vincent LongConnecticut Natural Diversity DatabaseBotanist/Environmental Analyst(860) 502-9786
- Jennifer LongsdorfMassachusetts Natural Heritage & Endangered Species ProgramNatural Heritage Program Coordinator
- Tom LupoCalifornia Natural Diversity DatabaseDeputy Director, Data & Technology Division(916) 324-6906