myrtle rust
A pathogenic fungus, Austropuccinia psidii, that affects plants in the family MyrtaceaeA pathogenic fungus, Austropuccinia psidii, that affects plants in the family Myrtaceae; originally native to South America, but has been introduced to Australia, New Zealand, and the United States.
Meaning
1 senses(uncountable)A pathogenic fungus, Austropuccinia psidii, that affects plants in the family Myrtaceae; originally native to South America, but has been introduced to Australia, New Zealand, and the United States.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable