山羊百科，林文智老師的植物、山岳、攝影紀錄

Part I

• 《中国植物志》 第65(1)卷 (1982) >> 015页 PDF >> 马鞭草属 Verbena；http://www.iplant.cn/info/Verbena?t=z
• FOC Vol. 17 Page 3；5. Verbena Linnaeus, Sp. Pl. 1: 18. 1753.；马鞭草属；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=134475
• Malaysia Biodiversity Information System (MyBIS)；Verbena；https://www.mybis.gov.my/one/discover.php?genus=866
• efloraofindia - Google Sites；Verbena；https://efloraofindia.com/category/species/m-z/v/verbenaceae/verbena/
• e-Flora of Thailand；Verbena L.；https://botany.dnp.go.th/eflora/floraGenus.html?factsheet=Verbena&tdcode=04305

• O'Leary, Ann. Missouri Bot. Gard. 94: 571-621 2007；https://www.biodiversitylibrary.org/page/16441357#page/583/mode/1up

O'Leary Nalaly, Maria Ema Mulgura and Osvaldo Morrone；REVISION TAXONOMICA DE LAS ESPECIES DEL GENERO VERBENA (VERBENACEAE): SERIE PACHYSTACHYAE

• Nesom, Phytoneuron 2010-12: 1-16 2010；https://www.biodiversitylibrary.org/page/40627312#page/1/mode/1up

Nesom, Guy L.；Taxonomic notes on Verbena bonariensis (Verbenaceae) and related species in the USA

Part II

• Kunth, Nov. Gen. Sp. [H.B.K.] (Qto.) 2(7): 272 1818；https://www.biodiversitylibrary.org/page/5368#page/277/mode/1up；
• Moldenke, Ann. Missouri Bot. Gard. 60: 43 1973；https://www.biodiversitylibrary.org/item/65873#page/44/mode/1up

Part III

1. Munir, Ahmad Abid 2002 A taxonomic revision of the genus Verbena L. (Verbenaceae) in Australia Journal of the Adelaide Botanic Gardens 20: 21-103