Close-up of Texas wintergrass fungus (Atkinsonella texensis, Clavicipitaceae, Balansieae, ergot) on grass Nassella leucotricha(?) at the edge of prairie on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 | 23900 Farm-to-Market Road 1155, Washington, Texas 77880, United States |
Texas wintergrass fungus (Atkinsonella texensis, Clavicipitaceae, Balansieae, ergot) on grass Nassella leucotricha(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
| 23900 Farm-to-Market Road 1155, Washington, Texas 77880, United States |
Protruding black ascostromata of Texas wintergrass fungus (Atkinsonella texensis, Clavicipitaceae, Balansieae, ergot) enclosing upper leaves of grass Nassella leucotricha(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
| 23900 Farm-to-Market Road 1155, Washington, Texas 77880, United States |
Small grass Nassella leucotricha(?) with Texas wintergrass fungus (Atkinsonella texensis, Clavicipitaceae, Balansieae, ergot) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
| 23900 Farm-to-Market Road 1155, Washington, Texas 77880, United States |
Close-up of small grass Nassella leucotricha(?) with Texas wintergrass fungus (Atkinsonella texensis, Clavicipitaceae, Balansieae, ergot) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
| 23900 Farm-to-Market Road 1155, Washington, Texas 77880, United States |
Aborted flowering culms of infected grass Nassella leucotricha(?) with stromata and sphacelia (conidial stage) of Texas wintergrass fungus (Atkinsonella texensis, Clavicipitaceae, Balansieae, ergot) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
| 23900 Farm-to-Market Road 1155, Washington, Texas 77880, United States |
Green berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
| 23450 Farm-to-Market Road 1155, Washington, Texas 77880, United States |
Juniper berries in animal's dropping in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
| 23880 Farm-to-Market Road 1155, Washington, Texas 77880, United States |
Fruits bull nettle (Cnidoscolus texanus) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
| Washington-on-the-Brazos State Historic Site, PR 12, Washington, Washington County, Texas, 77880, United States |
Wild carrot (Daucus pusillus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
| Washington-on-the-Brazos State Historic Site, PR 12, Washington, Washington County, Texas, 77880, United States |
Engelmann's daisy (Engelmannia pinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
| Washington-on-the-Brazos State Historic Site, PR 12, Washington, Washington County, Texas, 77880, United States |
Section through Sphacelia (conidial stage) of Texas wintergrass fungus (Atkinsonella texensis) collected from grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
Section through ascostroma with embedded perithecia of Texas wintergrass fungus (Atkinsonella texensis) at low magnification, collected from grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
Stromata with immature asci of Texas wintergrass fungus (Atkinsonella texensis) collected from grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
Asci and spores of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) from a dry maclura tree at low magnification, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
Asci and paraphyses of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) from a dry maclura tree at low magnification, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
Asci with spores of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) under a microscope in KOH, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
Asci and paraphyses of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) under a microscope in KOH, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
