QUANG, Pham Van et al.
 Ophiorrhiza fangdingii (Rubiaceae), a New Record  for the Flora of Vietnam.
<strong>VNU Journal of Science: Natural Sciences and Technology</strong>, [S.l.], v. 35, n. 1, mar. 2019.
ISSN 2588-1140.
Available at: &lt;<a href="https://js.vnu.edu.vn/NST/article/view/4828" target="_new">https://js.vnu.edu.vn/NST/article/view/4828</a>&gt;. Date accessed: 05 may 2024.
doi: <a href="https://doi.org/10.25073/2588-1140/vnunst.4828">https://doi.org/10.25073/2588-1140/vnunst.4828</a>.