Corybas hamiguitanensis (Orchidaceae), a new species from a UNESCO world heritage site in the Philippines

D. Tandang, R.. Docot, J. Galindon, T. Reyes Jr., E. Tadiosa, S. A. Tandang, C. Moran & R.A.A. Bustamante. Phytotaxa, 598(1) (2023)

Two endemic new species of Begonia (Begoniaceae) from Palawan, Philippines

L.M. Camangeg, W. Cabanillas, M.N. Tamayo, V.C. Mangussad, Y.P. Ang, & M.A.K. Pranada. Gardens’ Bulletin Singapore, 73, 399–412 (2021)

Ardisia kalimbahin (Primulaceae, Myrsinoideae), a new species from the Philippines

L.M. Magtoto, M.N. Tamayo, L. Udasco, Jr., & R.A.A. Bustamante. Phytotaxa, 525(4), 295(300) (2021)

You ‘Sau’ Me! A new species and a rediscovery in the genus Saurauia (Actinidiaceae) from Zamboanga Peninsula, Mindanao Island, Philippines

K.R.F. Mazo, J. Mansibang, L.G. Aribal, & M.N. Tamayo. Webbia. Journal of Plant Taxonomy and Geography 76(2), 203–212 (2021)

Amorphophallus minimus (Araceae), a new species from the montane forest of Nueva Ecija, Luzon island, Philippines

R.A.A. Bustamante, C. Claudel, J.C. Altomonte, L. Udasco Jr., & M.N. Tamayo. Nordic Journal of Botany, 39(8) (2021)

Begonia tinuyopensis (sect. Petermannia, Begoniaceae), a new species from Zamboanga Del Norte, Philippines

K.R.F. Mazo, L.G. Aribal, R.A.A. Bustamante, & Y.P. Ang. Phytotaxa, 516(1), 101–107 (2021)

Vaccinium exiguum (Ericaceae, Vaccinieae), a new species from the ultramafic summit of Mt. Victoria, Palawan Island, Philippines

M.N. Tamayo, R.A.A. Bustamante, & P. Fritsch. PhytoKeys, 179, 145–154 (2021)

New combinations and names for some Philippine vascular plants

P.B. Pelser, F. Brambach, J. Mansibang, H. Schaefer, R. Kiew, & J.F. Barcelona. Blumea, 66 pp96–100 (2021)

Begonia bangsamoro  (Begoniaceae, section Petermannia), a new species from Mindanao island, the Philippines 

D.P. Buenavista, Y.P. Ang, M.A.K. Pranada, D.S. Salas, E. Mollee & M. McDonald. Phytotaxa, 497 (2021)

Aeschynanthus rejieae (Gesneriaceae), a new species of lipstick vine from Tawi-Tawi, Philippines 

S.M. Olimpos & J. Mansibang. Phytotaxa, 487 (2021)

Richness and Distribution of Orchids (Orchidaceae) in the Forests of Mount Busa, Sarangani, Southern Mindanao, Philippines

A.J.L. Saavedra, & K.M.E. Pitogo. Philippine Journal of Science (2021)

Corybas boholensis (Orchidaceae): A New Jewel Orchid Species from Bohol Island, Central Visayas, Philippines

D. Tandang, T.Reyes Jr., R.A.A. Bustamante, J. Callado, E. Tadiosa, E. Agoo, & S. P. Lyon. Phytotaxa, 477 (2020)

Notes on the Medinilla (Melastomataceae) of Palawan, Philippines, Including Two New Species: M. simplicymosa and M. ultramaficola.

P. Quakenbush, P.L. Malabrigo Jr, A.G.A. Umali, A.B. Tobia, L.M. Camangeg, Y.P. Ang, & R.A.A. Bustamante. Systematic Botany (2020)

Amorphophallus caudatus (Thomsonieae, Araceae) a new species from Camarines Norte, Luzon island, the Philippines

R.A.A. Bustamante, J. Mansibang, W. Hetterschied, & M.N. Tamayo. Nordic Journal of Botany, e02982: 2 (2020)

Rediscovery of a lost type: solving the mysterious identity of A. longispathaceus Engl. & Gehrm. (Araceae)

R.A.A. Bustamante, M.N. Tamayo, & W. Hetterschied. Webbia, 75 (2020) 288

Begonia makuruyot (Begoniaceae, section Baryandra), a new species from Surigao del Norte Province, Philippines

M.G. Rule, Y.P. Ang, R.R. Rubite, R. Docot, R.A.A. Bustamante, & A. Robinson. Phytotaxa, 470: 336 (2020)

Begonia truncatifolia (Begoniaceae, section Baryandra), a new species from Palawan Island, The Philippines

R.A.A. Bustamante, D. Tandang, M.A. Pranada, & Y.P. Ang. Phytotaxa, 458: 217 (2020)

Dendrochillum ignisiflorum (Coelogynunae, Arethusae, Orchidaceae), a new species from Luzon Island, Philippines

M.N. Tamayo, M.A. Pranada, & R.A.A. Bustamante. Phytotaxa, 455: 241 (2020)

Begonia beijnenii (section Baryandra, Begoniaceae), a new species from San Vicente, Palawan, the Philippines

Y.P. Ang, D. Tandang, R.R. Rubite, & R.A.A. Bustamante. Phytotaxa, 455: 197 (2020)

Begonia cabanillasii (section Baryandra, Begoniaceae), a new species from El Nido, Palawan, the Philippines

Y.P. Ang, D. Tandang, J.M. Agcaoilli, & R.A.A. Bustamante. Phytotaxa, 453: 245 (2020)

Corybas circinatus (Orchidaceae), a new species from Palawan, the Philippines

D. Tandang, R.A.A. Bustamante, U.F. Ferreras, U.F. Hadsall, S. Pim-Lyon, & A.S. Robinson. Phytotaxa, 446: 136 (2020)

Two new species of Boesenbergia  (Zingiberaceae) From Palawan, Philippines

R.V.A. Docot, L.C.P. Santiago, H. Funakoshi, & N.F. Lam. Edinburgh Journal of Botany (2020)

Begonia caramoanensis  (Begoniaceae) a new species from Camarines Sur, Philippines

R.R. Rubite, M. Irabagon, D. Palacio, Y.P. Ang, & R.A.A. Bustamante. Phytotaxa, 439: 291 (2020)

Melastoma malabituin (Melastomataceae): a new species from northern Luzon, Philippines

J.M. Agacoilli, J. Barcelona, & P.B. Pelser. Phytotaxa, 435: 26 (2020)

Dilochia deleoniae (Orchidaceae), a new species from Mindanao, Philippines

J. Tandang, E. Galindon, F. Tadiosa, V. Coritico, Amoroso, Lagunday, R.A.A. Bustamante, D. Pennys, & P. Fritsch. PhytoKeys, 139: 91–97 (2020)

New species of Amorphophallus (Araceae) in the Philippines and an updated key

W.L.A. Hetterscheid, M.P. Medecilo, J.R.C. Callado, & A. Galloway. Blumea,  65 (2020)

Botanical observations from a threatened riverine lowland forest in Aborlan, Palawan, Philippines

J. van Beijnen & E.D. Jose. The Palawan Scientist, 12 (2020)