Sorghum ergot fungus (Claviceps africana) on johnsongrass (Sorghum halepense) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 27, 2020
Johnsongrass (Sorghum halepense) with a parasitic ergot fungus Claviceps africana on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 27, 2020
Sorghum ergot fungus (Claviceps africana) on flowers of johnsongrass taken from Bee Creek Park, south from Southwest Parkway bridge. College Station, Texas, August 27, 2020
Sorghum ergot fungus (Claviceps africana) on inflorescence of johnsongrass taken from Bee Creek Park. College Station, Texas, August 27, 2020
Close-up of sorghum ergot fungus (Claviceps africana) on inflorescence of johnsongrass taken from Bee Creek Park. College Station, Texas, August 27, 2020
Sorghum ergot fungus (Claviceps africana) on johnsongrass on white background taken from Bee Creek Park. College Station, Texas, August 27, 2020
Sorghum ergot fungus (Claviceps africana) on inflorescence of johnsongrass on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021 23900 FM 1155, Washington, TX 77880, USA
Johnsongrass (Sorghum halepense) infected by Sorghum ergot fungus (Claviceps africana) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021 23900 FM 1155, Washington, TX 77880, USA
Sorghum ergot fungus (Claviceps africana) on johnsongrass (Sorghum halepense) in Bee Creek Park College Station, Texas, April 25, 2022 1621, Angelina Circle, Bee Creek, College Station, Brazos County, Texas, 77840, United States
Sorghum ergot fungus (Claviceps africana) on inflorescence of johnsongrass in Bee Creek Park College Station, Texas, April 25, 2022 1589, Angelina Circle, Bee Creek, College Station, Brazos County, Texas, 77840, United States
Spores of sorghum ergot fungus (Claviceps africana) under a microscope, collected in Bee Creek Park College Station, Texas, April 25, 2022
Spores of sorghum ergot fungus (Claviceps africana) in KOH, collected in Bee Creek Park College Station, Texas, April 25, 2022 Spore size 7.9 - 9.3 × 7.6 - 8.8 µm, length to width ratio Q = 1 - 1.1.