Rhododendron calendulaceum

Genus-level evidence

2 claims where the source named the organism only at the genus or collective level (e.g. Rhododendron sp.) and did not determine the species. Listed separately because they apply to the genus, not specifically to Rhododendron calendulaceum.

• pathogen pressure · Exobasidium azaleae → Rhododendron spp. · effect: harmful

  “Exobasidium azaleae causing azalea leaf and flower gall”

  Unknown (Unknown) · History of Plant Pathology and Early Significant Plant Diseases (Chapter 1 Introduction) · p. 196 #6493753
• pathogen pressure · Phytophthora ramorum → Rhododendron · effect: harmful

  “Phytophthora ramorum was known to cause diebacks of rhododendrons in Europe.”

  Unknown (Unknown) · History of Plant Pathology and Early Significant Plant Diseases (Chapter 1 Introduction) · p. 418 #6494098