山羊百科，林文智老師的植物、山岳、攝影紀錄

Part I

• Loes., Repert. Spec. Nov. Regni Veg. (Fedde) 24: 61-72 1927；https://bibdigital.rjb.csic.es/viewer/14710/?offset=#page=69&viewer=picture&o=bookmark&n=0&q=

Loesener otto；Ubersicht uber die arten der Gattung Veratrum

• Utech, Ann. Carnegie Mus. 49: 153-160 1980；https://www.biodiversitylibrary.org/page/52334363#page/183/mode/1up

Utech, Frederick H.；Somatic karyotype analysis of Helonias bullata L. (Liliaceae), with a comparison to the Asian Heloniopsis orientalis (Thunb.) C. Tanaka

Part II

Part III

1. Tanaka, Noriyuki 1998 Phylogenetic and Taxonomic Studies on Helonias, Ypsilandra and Heloniopsis III. Taxonomic Revision J. Jpn. Bot. 73: 102-115