| Euro+Med-Checklist Notulae, 4 | 2015/04/01 | English | 17 |
| Notes on Onobrychis sect. Heliobrychis (Fabaceae) in Iran | 2004/08/25 | | 17 |
| New or interesting lichens and lichenicolous fungi of Gran Canaria (Canary Islands, Spain) | 2010/12/01 | English | 16 |
| Floristic and phytosociological investigation of the island Antikythera and nearby islets (SW Aegean, Greece) | 2006/02/27 | English | 16 |
| Aspidistra locii (Convallariaceae), an unusual new species from Vietnam | 2004/08/25 | | 16 |
| The flora and vegetation of Bakırlı Dağı (Western Taurus Mts, Turkey), including annotations on critical taxa of the Taurus range | 2004/12/22 | | 16 |
| A preliminary lichen checklist for Iran | 2004/12/22 | | 16 |
| Monographie der GattungOdontites (Scrophulariaceae)sowie der verwandten GattungenMacrosyringion, Odontitella, BornmuelleranthaundBartsiella | 1996/11/01 | English | 16 |
| The Euro+Med treatment ofAstereae (Compositae)— generic concepts and required new names | 2003/08/21 | English | 16 |
| An inventory of the lichen flora of Kalimnos and parts of Kos (Dodecanisos, Greece) | 2002/12/13 | English | 16 |
| A cytological study of flowering plants from Saudi Arabia | 2000/12/08 | English | 16 |
| An extant disjunct stand ofPterocarya fraxinifolia (Juglandaceae)in the central Zagros Mountains, W Iran1 | 2003/08/21 | English | 16 |
| Euro+Med-Checklist Notulae, 5 | 2015/09/01 | English | 16 |
| Which changes are needed to render all genera of the German flora monophyletic? | 2016/01/14 | English | 16 |
| Taxonomic studies in foliicolous species of the genusPorina(lichenizedAscomycotina: Trichotheliaceae) — II. ThePorina epiphyllagroup | 1998/04/01 | English | 15 |
| Euro+Med Notulae, 5 | 2011/06/09 | English | 15 |
| Contribution to the flora of the South Aegean Volcanic Arc: Anafi Island (Kiklades, Greece) | 2012/06/21 | English | 15 |
| Contribution to the knowledge of the vascular flora of NE Greece: Floristic composition of the beech (Fagus sylvaticaL.) forests in the Greek Rodopi | 2003/12/22 | English | 15 |
| Contributions to the flora of the Aegean islands of Lesvos and Limnos, Greece | 2002/12/13 | English | 15 |
| The Euro+Med treatment ofCichorieae (Compositae)— generic concepts and required new names | 2003/12/22 | English | 15 |
| A taxonomic revision of non-nativeCenchruss.str.(Paniceae, Poaceae)in the Mediterranean area | 2012/06/21 | English | 14 |
| Arabis lycia (Cruciferae),a new chasmophyte from the Taurus Mts, Turkey, and notes on related species | 2000/12/08 | English | 14 |
| Med-Checklist Notulae, 19 | 2000/12/08 | English | 14 |
| Distribution and clinal variation ofSalvia fruticosaMill.(Labiatae)on the island of Crete (Greece) | 1997/11/01 | English | 14 |
| A new Arum species (Areae, Araceae) from NE Turkey and Georgia | 2007/12/14 | | 14 |
| Euro+Med Notulae, 3 | 2007/08/31 | | 14 |
| Taxonomic revision ofCousiniasect.Cynaroideae (Asteraceae, Cardueae) | 2008/12/18 | English | 14 |
| Redefined generic limits ofCarum (Umbelliferae, Apioideae)and new systematic placement of some of its taxa | 2012/12/17 | English | 14 |
| Notes on six endemic or rare species ofEuphorbiasubg.Esula (Euphorbiaceae)in Iran | 2011/12/20 | English | 14 |
| Lectotypification ofCampanula saxatilis, Phyteuma pinnatumandVerbascum arcturus, Linnaean names of three taxa endemic to Crete | 2006/02/27 | English | 14 |