| New Names in Indonesian Orchids | 2019/06/30 | | 4 |
| Ocotea batata(Lauraceae), A New Species from Brazil | 2017/06/01 | English | 4 |
| History and Cultivation of Parma Violets (Viola, Violaceae) in the United Kingdom and France in the Nineteenth Century | 2013/12/01 | English | 4 |
| On Some Brazilian Plants Distributed by Martius in 1827 and Published by Colla inHerbarium pedemontanum-II | 2013/12/01 | English | 4 |
| New Combinations in Capparaceae for Flora Mesoamericana | 2013/12/01 | English | 4 |
| Two New White-Flowered Species ofSobralia(Orchidaceae) from Costa Rica | 2014/06/01 | English | 4 |
| Stigmaphyllon lanceolatum(Malpighiaceae), a New Species from Espírito Santo, Brazil | 2009/12/01 | English | 4 |
| Studies of MalagasySyzygium(Myrtaceae: Syzygiae)—Two New Species with Small Leaves and Winged Branchlets | 2010/06/01 | English | 4 |
| Three New Species ofCapparidastrum(Capparaceae) from Colombia, Venezuela, and Ecuador | 2010/06/01 | English | 4 |
| Spiranthes spiralis(Orchidaceae), A New Record for the Nepal Himalaya | 2010/06/01 | English | 4 |
| Lichenological Studies in Puerto Rico: History and Current Status | 2010/06/01 | English | 4 |
| Notes onTachigali(Leguminosae) in Central America with the Description of a New Species | 2010/06/01 | English | 4 |
| Notes on Neotropical Liparoids (Orchidaceae: Malaxidae) | 2013/07/01 | English | 4 |
| Novelties in the Orchid Flora of Venezuela V. Cranichideae II.Veyretia szlachetkoana(Orchidaceae, Spirantheae)1 | 2013/07/01 | English | 4 |
| Notes on the Genus Capparidastrum (Capparaceae) and the Description of C. estrellae, a New Species from Northwestern Ecuador | 2021/06/30 | | 4 |
| Notes on Some Malesian Orchidaceae III | 2021/06/30 | | 4 |
| Draba bruce-bennettii(Brassicaceae), a Remarkable New Species from Yukon Territory, Canada | 2016/07/01 | English | 4 |
| Icones Stelidarum (Orchidaceae) Colombiae | 2016/07/01 | English | 4 |
| Neotropical Orchid Miscellanea | 2016/12/01 | English | 4 |
| Clusia scariosepala (Clusiaceae ), a Distinct Species of Clusia Sect . Anandrogyne Endemic to the Venezuelan Andes | 2016/12/01 | English | 4 |
| Notes on the Flower, Fruit, and the Reproductive Phenology of the Elusive Ottoschulzia Rhodoxylon | 2013/07/01 | English | 3 |
| Nomenclatural Changes Resulting from the Transfer ofNesaeaandHionantheratoAmmannia(Lythraceae) | 2013/07/01 | English | 3 |
| Symplocos atlantica(Symplocaceae), A New Species from the Atlantic Rain Forest of Brazil | 2009/12/01 | English | 3 |
| New Species ofRhodamniaandXanthomyrtus(Myrtaceae) from the Kamiali Wildlife Management Area, Papua New Guinea | 2009/12/01 | English | 3 |
| An Assessment of the Varieties ofCroton glandulosus(Euphorbiaceae) in the United States | 2009/06/01 | English | 3 |
| Two New North American Species ofDraba(Brassicaceae):D.Heiliifrom New Mexico andD.Mulliganiifrom Alaska | 2009/06/01 | English | 3 |
| Nomenclatural Adjustments in Eutrema, Ceratocnemum, Rhamphospermum, and Sinapis (Brassicaceae, Cruciferae) | 2021/06/30 | | 3 |
| Orchidaceae tonduzianae: Typification of Costa Rican Orchidaceae Described from Collections of Adolphe Tonduz | 2016/12/01 | English | 3 |
| Icones Stelidarum (Orchidaceae) Colombiae II | 2016/12/01 | English | 3 |
| A Synopsis of the GenusXylobium(Orchidaceae: Maxillareae) | 2018/06/01 | English | 3 |