New Combinations in the Heterotheca villosa (Pursh) Shinners Complex (Compositae: Astereae)

Relationships Among Astereae (Compositae) Genera Having X=6

New nomenclature combinations in the green alder species complex (Betulaceae)

The name Alnus viridis (Chaix) DC., based on Betula viridis Chaix (1785), has traditionally been attributed to green alders although it is based on a later basionym. Alnus alnobetula (Ehrh.) K. Koch based on Betula alnobetula Ehrh. (1783) is the correct name for green alders. In light of the increasing use and recognition of the name Alnus alnobetula (Ehrh.) K. Koch in the literature. I herein ...

THREE NEW RECORDS OF COMPOSITAE FROM IRAN

Following 3 species of Compositaeare reported as new records to Iran: Cousinia pycnoloba, Lactuca dissecta and Launaea remotiflora. The collecting localities and their figures are given.

Complex Combinations of Some Transition Metals with New Unsymmetrical Porphirins

The biological and biomedical importance of the porphyrinic compounds have made them attractive target of study for many years. They are used in treatment of various diseases such as cancer therapy, treatment of psoriasis, viral and bacterial infections [1-19]. The therapeutic effect of porphyrins originates from their ability to preferentially accumulate in the diseased tissue and to photogene...

Antiinflammatory constituents from Heterotheca inuloides.

Three new compounds, cadalen-15-oic acid (1), 3,7-dihydroxy-3(4H)-isocadalen-4-one (2), and dicadalenol (3), were isolated from the aerial parts of Heterotheca inuloides (Mexican arnica), together with the known compounds 7-hydroxycadalene (4), 7-hydroxy-4alphaH-3,4-dihydrocadalene (5), 1alpha-hydroxy-1(4H)-isocadalen-4-one (6), 1alpha-hydroxy-4alphaH-1,2,3,4-tetrahydrocadalen-15-oic acid (7), ...