Dioscorea chusqueifolia (Dioscoreaceae), a new species from northern Peru Carolina Romero-HernándezOswaldo Téllez-ValdésRainer W. Bussmann Original Research 05 August 2019 Pages: 353 - 358
Bletia santosii (Orchidaceae), una especie nueva para Sinaloa, México Heriberto Ávila-GonzálezJesús Guadalupe González-GallegosJaciel Rubio-Cardoza Original Research 26 August 2019 Pages: 359 - 368
Otoba vespertilio (Myristicaceae), una especie nueva de Mesoamérica Daniel Santamaría-AguilarJosé Esteban JiménezReinaldo Aguilar Original Research 03 September 2019 Pages: 369 - 380
Mitrephora chulabhorniana (Annonaceae), an extraordinary new species from southern Thailand Anissara DamthongdeeKithisak AongyongTanawat Chaowasku OriginalPaper 07 May 2019 Pages: 381 - 388
Oocephalus viscaria (Hyptidinae: Lamiaceae), a well-known new species from Central Brazil Raymond Mervyn HarleyArthur de Souza SoaresJosé Floriano Barêa Pastore Original Research 24 July 2019 Pages: 389 - 393
Eugenia harkerae (Myrtaceae), a new species from Jalisco, Mexico Erandi Sánchez-ChávezSergio Zamudio Original Research 24 October 2019 Pages: 394 - 397
Rubachia O.Berg (Myrtaceae) is a synonym of Plinia instead of Myrcia Matheus F. SantosEve Lucas Brief Report 03 September 2019 Pages: 398 - 400
A new combination in Monteverdia (Celastraceae) Leonardo Biral Original Research 16 August 2019 Pages: 401 - 402
Lonchocarpus guerrerensis (Leguminosae: Papilionoideae, Millettieae), una nueva especie del estado de Guerrero, México Ramiro Cruz DuránGloria Andrade Murguía Original Research 05 August 2019 Pages: 403 - 407
A new species of Huberia (Melastomataceae) from Espírito Santo, Brazil Thuane BochornyRenato Goldenberg OriginalPaper 12 February 2019 Pages: 408 - 413
Two new species of Clusia (Clusiaceae) from South America José E. do Nascimento Jr OriginalPaper 28 May 2019 Pages: 414 - 423
A new species, a new subspecies, and new records of Hoya (Apocynaceae, Asclepiadoideae) from Myanmar and China Michele RoddaMu Mu AungKate Armstrong OriginalPaper 06 May 2019 Pages: 424 - 434
New species and a new lectotypifications in Forsteronia (Apocynaceae, Mesechiteae) Bruce F. HansenJ. Francisco Morales Original Research 07 November 2019 Pages: 435 - 444
Nomenclatural Novelties Appearing in Brittonia 71 (2019)* Announcement 25 November 2019 Pages: 445 - 447