On the cover:
Sisyrinchium micranthum in Tunisia, is reported by El Mokni and Verloove (pp. 133-137)

Published: 30 September 2026

Observations on the marine benthic diatom Halamphora yundangensis W.W.Wu et al., a species originally described from China, in the Mediterranean Region

97-105 Margaux Pottiez, Ralitsa Zidarova, Plamen Ivanov, Lucija Kanjer, Sunčica Bosak

Remarks on Acalypha rhomboidea in Europe, with a fifth record at the continental level

106-110 Duilio Iamonico, Manuel Crosato

The genus Carex (Cyperaceae) in Kosovo

111-125 Naim Berisha, Fadil Millaku, Elez Krasniqi, Renata Ćušterevska, Xhavit Mala, Helena Więcław, Jacob Koopman

Spontaneous spread of the alien species Nepeta racemosa (Lamiaceae) in Ukraine

126-132 Olena Leshcheniuk, Serhii Koniakin

Sisyrinchium micranthum (Iridaceae, Iridoideae, Sisyrinchieae) in Tunisia, a first record for the African continent

133-137 Ridha El Mokni, Filip Verloove

Ultrastructural features of cypselae in selected Senecio L. (Asteraceae) species

138-146 Hatice Nurhan Büyükkartal, Hatice Çölgeçen, Ümit Budak, Esra Koç, Belgizar Karayiğit

Glucose-mixotrophic culture of the freshwater alga Chlorella vulgaris alleviates the phytotoxicity of silver nanoparticles

147-161 Bruno Komazec, Kristina Gilman, Biljana Balen, Sandra Šikić, Petra Peharec Štefanić

Heat stress responses in common bean genotypes: membrane damage, proline accumulation, and heat shock protein expression

162-171 Tuğba Bicer, Ece Turhan