Pollinator sharing among co-flowering plants mediates patterns of pollen transfer Tao ZhangXiaoxin TangQiang Fang Original Article 23 April 2021 Pages: 125 - 133
Competition-free gaps are essential for the germination and recruitment of alpine species along an elevation gradient in the European Alps Vera MargreiterJanette WaldeBrigitta Erschbamer Original Article Open access 27 July 2021 Pages: 135 - 150
Do pentaploid hybrids mediate gene flow between tetraploid Senecio disjunctus and hexaploid S. carniolicus s. str. (S. carniolicus aggregate, Asteraceae)? Andrea PeskollerLisa SilbernaglPeter Schönswetter Original Article Open access 13 April 2021 Pages: 151 - 160
Surviving in southern refugia: the case of Veronica aragonensis, a rare endemic from the Iberian Peninsula Nélida Padilla-GarcíaNathalie MachonM. Montserrat Martínez-Ortega Original Article 07 June 2021 Pages: 161 - 175
Endemics determine bioregionalization in the alpine zone of the Irano-Anatolian biodiversity hotspot (South-West Asia) Jalil NorooziSina KhalvatiGerald M. Schneeweiss Original Article Open access 04 August 2021 Pages: 177 - 186
Aboveground-trait variations in 11 (sub)alpine plants along a 1000-m elevation gradient in tropical Mexico Nereyda Cruz-MaldonadoMonique WeemstraFabien Anthelme Original Article 02 July 2021 Pages: 187 - 200
Distribution changes in páramo plants from the equatorial high Andes in response to increasing temperature and humidity variation since 1880 Petr SklenářKatya RomolerouxPierre Moret Original Article 18 September 2021 Pages: 201 - 212
Mountain definitions and their consequences Christian KörnerDavnah Urbach Jens Paulsen Short Communication Open access 11 August 2021 Pages: 213 - 217
