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Plant and Weed Resources

Updated April 04, 2019
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David Graper

SDSU Extension Horticulture Specialist & Master Gardener Program Coordinator

Consult the resources below for answers to common plant and weed issues.

Plant Characteristics

  • General Plant Biology: This site includes information on angiosperms, gymnosperms, respiration, photosynthesis, seed to plant, flower to senescence, plant growth and many more topics.
  • USDA Plant Classification: Use this site to determine the classification of a plant (from the plant kingdom all the way down to the cultivar.
  • Digital Flowers: This site takes an indepth look at flowers in many plant families. It describes the flower and resulting fruit in detail.

Plant Problems (Diseases, Insects, and Abiotic)

Plant Selection and Management

Weed Identification and Control

This page is adapted from University of Nebraska Lincoln.