Psychotria pendens (Rubiaceae,Psychotriae), a ultramafic species  from Central Palawan, Philippines

M. Bautista , V. Chua-Mangussad, J. Cervancia  and R. A. A. Bustamante

Syzygium crystalliferum (Myrtaceae), a new tree species from Carranglan, Nueva Ecija, Philippines and lectotypification of Eugenia purpuriflora Elmers

J. A. Mansibang, L. C. Udasco, A. L. Garrino, J. A. M. Aumentado, M. Gregory Q. Rule and J. Patykowski

Insights on Begonia jagori (Begoniaceae), a cryptic species of Albay Province, Luzon Island, Philippines

 C. J. dela Cruz , J.P. Collantes R. A. A. Bustamante, and Y. P. Ang

Two new species of Bulbophyllum (Orchidaceae, sect. Polymeres) from Pantabangan-Carranglan Watershed Forest Reserve, Luzon Island, Philippines

A. L. Garrino, J. A. Mansibang,  J. M. Aumentado, Y. P. Ang, L. C. Udasco Jr , J. M. Diego, J. C. Altomonte, M. N. Tamayo, L. M. Magtoto and R. A. A. Bustamante

Rhododendron astrophorum (Ericaceae,Rhododendron sect. Schistanthe), A new micro-Endemic species from Central Palawan, Philippines.

M. N. Tamayo, A. B. Marcos-Langbao, R. A. A. Bustamante, Y. P. Ang, D. C. Schubert, W. A. Mustaqim, P. W. Fritsch & A. S. Robinson. Edinburgh Journal of Botany 80, Article 1970 (2023)

Two new species of Begonia (Begoniaceae) from Aurora Memorial National Park, Luzon Island, Philippines 

Y.P. Ang, J.P.R. Collantes, J.A. Mansibang, C.J.P. Dela Cruz, J.A.M. Aumentado, S.B. Bimeda, J.R.C. Callado, P.W. Fritsch, & R.A.A.B. Bustamante. Phytotaxa 609(4):253-264, (2023)

A new species of Homalomena (Araceae: Homalomeneae) from Con Dao National Park, Vietnam, with lectotypification of Homalomena philippinensis 

V.S. Dang, B.V. Truong, Q. B. Nguyen, Q.T. Pham, V.T. Nguyen, H.S. Le, V.N. Nguyen, R.A.A.B. Bustamante, & K.Z. Hein. Taiwania 68(3): 269‒274, (2023)

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

D. N. Tandang, R. Docot, J. Galindon, T. Reyes Jr., E. Tadiosa, S. A. Tandang, C. Moran & R.A.A.B. Bustamante. Phytotaxa 598(1): 80-88, (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)