These are major journals in Plant Science, as seen in the database Journal Citation Reports. See JCR for impact factors.

Annals of Botany

Annual Review of Plant Biology

Annual Review of Phytopathology

BMC Plant Biology

Critical Reviews in Plant Sciences

Current Opinion in Plant Biology

Journal of Ecology

Journal of Experimental Botany

Journal of Integrative Plant Biology online 47(1) - 2005-

Journal of Natural Products

Journal of Vegetation Science

Molecular Breeding

Molecular Plant

Molecular Plant-Microbe Interactions

Molecular Plant Pathology

New Phytologist

Perspectives in Plant Ecology, Evolution, and Systematics

Photosynthesis Research

Physiologia Plantarum

Phytochemistry

Phytochemistry Reviews

Phytomedicine

Phytopathology 69(1)- 1979 - in print back to 1911 at LSF

Plant and Cell Physiology

Plant Biotechnology Journal

Plant Cell

Plant Cell and Environment

Plant Cell Tissue and Organ Culture

Plant Journal

Plant Molecular Biology

Plant Molecular Biology Reporter

Plant Physiology

Plant Physiology and Biochemistry online 36(1) - 1998- in print 1987-1988, 1994-1997 at LSF

Plant Science (previous title Plant Science Letters)

Planta

Preslia online 1914-1971 selected volumes in print at LSF

Protoplasma

Taxon

Theoretical and Applied Genetics

Trends in Plant Science