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2909-04. 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, 2021Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 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  Sorghum ergot fungus (Claviceps africana) on johnsongrass (Sorghum halepense) in Bee Creek Park College Station, Texas, April 25, 2022  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 inflorescence of johnsongrass in Bee Creek Park College Station, Texas, April 25, 2022  Blooming johnsongrass (Sorghum halepense) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 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 flowers of johnsongrass taken from Bee Creek Park, south from Southwest Parkway bridge. College Station, Texas, August 27, 2020  Dallis grass Paspalum dilatatum infected by ergot fungus Claviceps paspali near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 24, 2021  Spikes of dallis grass Paspalum dilatatum infected by ergot fungus Claviceps paspali near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 24, 2021  Close-up of dallis grass Paspalum dilatatum infected by ergot fungus Claviceps paspali near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 24, 2021  Spores of sorghum ergot fungus (Claviceps africana) in KOH, collected in Bee Creek Park College Station, Texas, April 25, 2022  Johnson grass (Sorghum halepense) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022  Spores of sorghum ergot fungus (Claviceps africana) under a microscope, collected in Bee Creek Park College Station, Texas, April 25, 2022  Blooming Johnson grass (Sorghum halepense) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022  Seeds of Johnson grass (Sorghum halepense) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020  Inflorescense of Johnson grass (Sorghum halepense) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020  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  Texas wintergrass fungus (Atkinsonella texensis, Clavicipitaceae, tribe Balansieae, ergot) from small 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  Johnsongrass (Sorghum halepense) on Lick Creek Greenway Trail. College Station, Texas, April 23, 2024  Bluebonnet (Lupinus) in a field of grass on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Blooming milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Inflorescence of milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Green inflorescence of milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Blooming green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Inflorescence of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Flowers of prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Showy evening primrose (Oenothera speciosa) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Green milkweed (Asclepias viridis) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Green flowers of milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  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  Close-up of flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Flowers of green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Cluster of green flowers of milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Masses of flowers of green milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Blooming showy evening primrose (Oenothera speciosa) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Green milkweed (Asclepias viridis) in a field of grass on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Flower buds of green milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Cluster of flowers of green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Opening flowers of green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Fungus Claviceps paspali on dallis grass Paspalum dilatatum near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 24, 2021  Gymnopus mushrooms on a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021  Basal rosette of leaves on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021  Bluebonnet (Lupinus) near Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022  Bluebonnet (Lupinus) with grass near Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022  Field with bluebonnet (Lupinus) near Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022  Young leaves of bluebonnet (Lupinus) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021  Winter rosette of Engelmann daisy on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021  Prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021  Rosette of leaves of Engelmann daisy(?) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021  Caps of Gymnopus mushrooms on a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021  Close-up of sugarcane aphids (Melanaphis sacchari) on johnsongrass (Sorghum halepense) in Wolf Pen Creek Park. College Station, Texas, June 21, 2021  Sugarcane aphids (Melanaphis sacchari) abundant on johnsongrass (Sorghum halepense) in Wolf Pen Creek Park. College Station, Texas, June 21, 2021  Young leaves of bluebonnet (Lupinus) with water drops on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021  Winter rosette of redseed plantain (Plantago rhodosperma(?)) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021  Sugarcane aphids (Melanaphis sacchari, Hemiptera: Aphididae) on johnsongrass (Sorghum halepense) in Wolf Pen Creek Park. College Station, Texas, June 21, 2021  Johnsongrass (Sorghum halepense) in Bee Creek Park. College Station, Texas, August 12, 2020  Sugarcane aphids (Melanaphis sacchari) covering underside of a leaf of johnsongrass (Sorghum halepense) in Wolf Pen Creek Park. College Station, Texas, June 21, 2021  Inflorescensce of johnsongrass (Sorghum halepense) in Bee Creek Park. College Station, Texas, August 12, 2020  Alyssum like flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Purple Alyssum like flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Close-up of Alissum like flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Rush (Juncus) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020  Firewheel (Gaillardia pulchella) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Shoot of some creeper on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020  Old pecan trees near Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2024  Mexican Hat wildflower near a loop trail in northern part of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007  Small dayflower (Commelina) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020  Dried leaves of box elder on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022  Wild Carrot (Daucus pusillus) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Mexican hat flowers (Ratibida columnaris) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Some white five-petals flower on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020  Alyssum like flower with bull nettle on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Prairie tea (Croton monanthogynus) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020  Powderpuff (Mimosa strigillosa) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020  Green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020  Snow-on-the-prairie (Euphorbia bicolor) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020  Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020  Prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023  Purple Alyssum like flowers of mustard family on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Hornbeam copperleaf (Acalypha ostryifolia) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020  Common red corn poppy (Papaver rhoeas) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Maritime bluestem grass (Andropogon tenuispatheus) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020  Showy evening primrose (Oenothera speciosa) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020  Snow-on-the-prairie (Euphorbia bicolor) with flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020  Green milkweed (Asclepias viridis) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020  Green and white spurge (Euphorbia heterophylla) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020  Seed head of Wild Carrot (Daucus pusillus) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020  Blooming green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020  Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020  Flowers of hornbeam copperleaf (Acalypha ostryifolia) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020  Common red corn poppy (Papaver rhoeas) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020 |