Artemisia vulgaris L.(common mugwort) is a species with great importance in the history of
medicine and was called the “mother of herbs” in the Middle Ages. It is a common …

Artemisia is one of the largest genera of the family Asteraceae or Compositae, itself the
biggest flowering plant family. It comprises around 600 taxa at specific and subspecific …

The onset, duration and intensity of the period when pollen is present in the air varies from
year to year. Amongst other things, there is an effect upon the quality of life of allergy …

Terrestrial weeds continue to evolve in association with the rapid global changes in our land-
use systems, due to their regenerative strategies, their adaptability to change, and their …

Using optical and scanning electron microscopy, we carried out a palynological study of
some plant species with a systematic position that has been controversial. One of the taxa …

The genus Artemisia is one of the largest of the Asteraceae family, with more than 500
species. It is widely distributed mainly across the Northern Hemisphere, being profusely …

We measured variation in gender among individuals within populations of ragweed
(Ambrosia artemisiifolia) in an abandoned old-field and in the greenhouse. There was great …

Variation of gender expression and cone production is described quantitatively for Juniperus
phoenicea L. populations in southern Spain and Morocco. The species is monoecious, but …

A morphometrical study of pollen grains using scanning electron microscopy was performed
in seven genera belonging to subtribe Artemisiinae (Anthemideae). Forty-six populations …

Sex allocation in the monoecious annual, Ambrosia artemisiifolia L., was investigated in an
old field of southeastern Pennsylvania. I tested the hypothesis that floral sex ratio (male …