In this study, three hybrids of Origanum (Lamiaceae) were examined in detail using
morphological, karyological, palynological and molecular approaches. One of the three …

The paper presents new records of 24 vascular plant species from 11 Eurasian countries.
One taxon (Orobanche laxissima) is reported from Armenia; one (Epipactis condensata) …

The aim of the present work was to investigate and compare the content of phenolic
compounds in four taxa of Erigeron acris L. sl: E. acris (EAA), E. acris subsp. droebachiensis …

Spontaneous hybrids between alien and native plant species are alien taxa and they
threaten native biodiversity due to their high competitive ability or introgression. Thus, we …

Systematic studies in the Calea myrtifolia complex have revealed two noteworthy new taxa
from the contact, relict and transitional areas of the Atlantic Forest and Cerrado domains in …

ABSTRACT Origanum munzurense Kit Tan & Sorger (Sect. Brevifilamentum Ietsw.) was
described by Kit Tan & Sorger in 1984, and it is an accepted species related to O. acutidens …

Calea× crassa, a new nothospecies is described and illustrated. The thickened pale
olivaceous leaf margins along with the mucronate teeth are unique morphological features …

Nepeta viscida, N. nuda subsp. nuda, and their putative hybrid N.× tmolea were evaluated
for their essential oils with chemotaxonomical aspect. Hybrid of N. x tmolea individuals were …

The genus “Erigeron”(Asteraceae) includes several widely distributed invasive species for
which data on chromosome numbers and cytological variation are lacking in many parts of …

The fourth part of the series includes 13 new chorological records of vascular plants from
Poland and Slovakia. From Poland, the first record of Rubus austroslovacus from the Vistula …