Similar(1): Pine seedling with needle rust caused by fungus Coleosporium asterum ... Sam Houston National Forest. Texas, March 18, 2020
Similar(2): Aecial pustules of a needle rust caused by fungus Coleosporium asterum ... Sam Houston National Forest. Texas, March 18, 2020
Similar(3): Pine needles with pustules of rust fungus Coleosporium asterum on ... Sam Houston National Forest. Texas, March 8, 2026
Similar(4): Spores of rust fungus Coleosporium asterum (in KOH, x40 objective ... Sam Houston National Forest. Texas, March 8, 2026
Similar(5): Pine needles with rust fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
Similar(6): Pine needles with pustules of rust fungus Coleosporium asterum on ... Sam Houston National Forest. Texas, March 18, 2020
Similar(7): Pine needle rust fungus (Coleosporium elephantopi, Coleosporium ... north from Montgomery. Texas, April 26, 2026
Similar(8): Close up of pine needle rust fungus (Coleosporium elephantopi ... Forest, near Huntsville. Texas, July 27, 2018