1. Pollinator sharing among co-flowering plants mediates patterns of pollen transfer

   • Tao Zhang
   • Xiaoxin Tang
   • Qiang Fang

   Original Article 23 April 2021 Pages: 125 - 133

   

2. Competition-free gaps are essential for the germination and recruitment of alpine species along an elevation gradient in the European Alps

   • Vera Margreiter
   • Janette Walde
   • Brigitta Erschbamer

   Original Article Open access 27 July 2021 Pages: 135 - 150

   

3. Do pentaploid hybrids mediate gene flow between tetraploid Senecio disjunctus and hexaploid S. carniolicus s. str. (S. carniolicus aggregate, Asteraceae)?

   • Andrea Peskoller
   • Lisa Silbernagl
   • Peter Schönswetter

   Original Article Open access 13 April 2021 Pages: 151 - 160

   

4. Surviving in southern refugia: the case of Veronica aragonensis, a rare endemic from the Iberian Peninsula

   • Nélida Padilla-García
   • Nathalie Machon
   • M. Montserrat Martínez-Ortega

   Original Article 07 June 2021 Pages: 161 - 175

   

5. Endemics determine bioregionalization in the alpine zone of the Irano-Anatolian biodiversity hotspot (South-West Asia)

   • Jalil Noroozi
   • Sina Khalvati
   • Gerald M. Schneeweiss

   Original Article Open access 04 August 2021 Pages: 177 - 186

   

6. Aboveground-trait variations in 11 (sub)alpine plants along a 1000-m elevation gradient in tropical Mexico

   • Nereyda Cruz-Maldonado
   • Monique Weemstra
   • Fabien Anthelme

   Original Article 02 July 2021 Pages: 187 - 200

   

7. Distribution changes in páramo plants from the equatorial high Andes in response to increasing temperature and humidity variation since 1880

   • Petr Sklenář
   • Katya Romoleroux
   • Pierre Moret

   Original Article 18 September 2021 Pages: 201 - 212

   

8. Mountain definitions and their consequences

   • Christian Körner
   • Davnah Urbach
   • Jens Paulsen

   Short Communication Open access 11 August 2021 Pages: 213 - 217