Researchers have done several researches on this. You can find some of them by visiting given links

Research  On Ficus Religiosa Or Peepal For Herpes

https://www.ncbi.nlm.nih.gov/pubmed/27581805

Research  On Neem or Azadirachta Indica For Herpes

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3767196/

http://usingneem.com/ANTIVIRAL.pdf

Research  On Hypericum Mysorense For Herpes

https://www.ncbi.nlm.nih.gov/pubmed/15299228

https://www.researchgate.net/publication/242560060_Antiviral_activity_of_medicinal_plants_of_Nilgiris

http://icmr.nic.in/ijmr/2004/0702.pdf

https://www.sciencedirect.com/science/article/pii/S0166354205001166?via%3Dihub

https://en.wikipedia.org/wiki/Hypericum_mysorense

Research  On Tulsi Or Holy Basil For Herpes

https://www.researchgate.net/publication/48408293_Ocimum_Sanctum_tulsi_Bio-pharmacological_Activities

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4296439/

Research  On Triphala For Herpes

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4293677/

Research  On Babul Or Vachellia Nilotica For Herpes

https://www.ncbi.nlm.nih.gov/pubmed/29203273

Research  On Licorice Roots For Herpes

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4216581/

https://www.sciencedirect.com/science/article/pii/S2211383515000799

https://www.medpagetoday.com/infectiousdisease/stds/646

https://www.doc-developpement-durable.org/file/Plantes-Medicinales-Aromatiques/FICHES_PLANTES/R%C3%A9glisse/M%C3%A9dical/The%20Effect%20of%20Aqueous%20Extract%20of%20Glycyrrhiza%20glabra%20on%20Herpes%20Simplex%20Virus.pdf