On monterey cypress, the only one I spotted.
There are several rusts that infect the fruits of trees in the Rosaceae. If I have mis-IDd this, please comment!
Common name: Cedar-Quince Rust
Aecia photographed growing on the fruit of Pyrus calleryana in Two Rivers Park, Little Rock, Pulaski County, Arkansas
Central cord present. On Crataegus.
No central cord. On alder
Frequent on native trees in deep shade in cloud forest.
Cap was 4-5 inches across.
Growing in Boyle Park, Little Rock, Arkansas
These were fairly large - about 7-8 inches tall with a cap 3 inches or so across.
Photographed at Pinnacle Mountain State Park, Pulaski County, Arkansas
Photographed in Two Rivers Park, Little Rock, Arkansas
Host: coast live oak
Abundant on deciduous trees and shrubs at edge of fields, Ankeny NWR
A fungus (/ˈfʌŋɡəs/; plural: fungi or funguses) is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds (British English: moulds), as well as the more familiar mushrooms. These organisms are classified as a kingdom, Fungi, which is separate from plants, animals, protists and bacteria. One major difference is that fungal cells have cell walls that contain chitin, unlike the cell walls of plants and some protists, which contain...