Jacquemontia (Convolvulaceae) in Bolivia and Peru John R. I. WoodRosemary Clegg OriginalPaper Open access 22 July 2021 Pages: 375 - 420
Salvia celendina (Lamiaceae), a new species from Peru John R. I. WoodRolando Uría OriginalPaper Open access 20 August 2021 Pages: 421 - 425
Bringing some order to chaos: two new species of Myrcia separated from M. pubipetala (Myrtaceae) Thiago FernandesDuane F. LimaVanessa G. Staggemeier OriginalPaper 06 September 2021 Pages: 427 - 442
Microlicia woodgyeriana (Microlicieae, Melastomataceae), a critically endangered new species from campo rupestre in Minas Gerais, Brazil Rosana RomeroAna Flávia Alves VersianeGabriel Merola Paranhos OriginalPaper 09 August 2021 Pages: 443 - 451
Clarifying the identity of Merostachys speciosa (Poaceae: Bambusoideae: Bambuseae), type species of the genus, through redescription and second-step lectotypification Ronaldo Vinícius-SilvaLynn G. ClarkAna Paula Santos-Gonçalves OriginalPaper 19 August 2021 Pages: 453 - 461
Last Linnaean dance in Verbenaceae: typification of Verbena orubica (Verbenaceae) Pablo MoroniPedro Henrique CardosoMaría Gabriela Nadra OriginalPaper 23 August 2021 Pages: 463 - 469
Pellaea furcata (Pteridaceae), a new species from Northwestern Argentina M. A. HernándezO. G. Martínez OriginalPaper 17 July 2021 Pages: 471 - 476
IUCN Red List and Species Distribution Models as tools for the conservation of poorly known species: a case study of endemic plants Micromeria serbaliana and Veronica kaiseri in South Sinai, Egypt Karim OmarIbrahim Elgamal Original Article 12 August 2021 Pages: 477 - 496
Six new species of coffee (Coffea) from northern Madagascar Aaron P. DavisFranck Rakotonasolo Original Article Open access 13 August 2021 Pages: 497 - 511
Angraecum inflatum, a new species in Angraecinae (Orchidaceae) from Madagascar Johan HermansLandy RajaovelonaPhillip Cribb OriginalPaper Open access 24 August 2021 Pages: 513 - 517
Bulbophyllum lanterna, a new species in Dendrobiinae (Orchidaceae) from Madagascar Johan HermansLandy RajaovelonaPhillip Cribb OriginalPaper Open access 11 August 2021 Pages: 519 - 522
Dianthus yilmazii (Caryophyllaceae), a new species from central Turkey Ergin HamzaoğluMurat Koçİlker Büyük OriginalPaper 14 August 2021 Pages: 523 - 530
A new species, Gypsophila malyerii (Caryophyllaceae) from Turkey Ergin HamzaoğluMurat KoçMevlüde Nur Topal OriginalPaper 21 August 2021 Pages: 531 - 538
Two new species of Phanera (Fabaceae: Cercidoideae) from Lao PDR Sawai MattaphaSoulivanh LanorsavanhKhamfa Chanthavongsa OriginalPaper 28 August 2021 Pages: 539 - 547
Skvortzovia yunnanensis, a new species of corticioid fungus from southern China Jun-Hong DongXiao HeChang-Lin Zhao OriginalPaper 27 August 2021 Pages: 549 - 555
Typification of Allium carolinianum (Amaryllidaceae) Damini SharmaMayank D. DwivediArun K. Pandey OriginalPaper 11 August 2021 Pages: 557 - 563