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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Strophariaceae: Agrocybe retigera (Speg.) Singer

Agrocybe retigera

Synonym: Naucoria retigera.

Extract from Wikipedia article: Agrocybe retigera is a species of mushroom in the genus Agrocybe. The first known sighting of the species was in the early 1950s. It was first described by author Speggazini Singer in 1950. The mushroom has since been found in common areas, especially grassy ones, such as gardens, meadows and parks. Agrocybe retigera is most commonly found in tropical and sub-tropical areas around the globe. The size of the cap is usually between 17 and 44 millimetres, and it is generally pale in colour. The colour of the mushroom itself ranges from cream to pale-brown.

AI-generated description

Agrocybe retigera is a species of mushroom that grows in fields, meadows, and along roadsides. In East and Central Texas, it typically fruits in the spring and summer months, producing small to medium-sized caps that are brown to tan in color with a distinctive reticulate pattern on the stem. It can be found in a variety of habitats, including lawns, pastures, and woodland edges, often in association with grasses and other herbaceous plants. The fungus is considered to be relatively common in the region, particularly in areas with rich soil and ample moisture.

Photos of this mushroom from East and Central Texas

Small lawn mushrooms <B>Agrocybe retigera</B>, turf mottlegill (Panaeolus fimicola) and Parasola in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2018-06-21.htm">June 21, 2018</A>
LinkSmall lawn mushrooms Agrocybe retigera, turf mottlegill (Panaeolus fimicola) and Parasola in Lick Creek Park. College Station, Texas, June 21, 2018
Location on mapsIron Bridge Trail, College Station, TX 77845, USA
Small fieldcap mushrooms <B>Agrocybe retigera</B> from a grassy lawn in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2018-06-21.htm">June 21, 2018</A>
LinkSmall fieldcap mushrooms Agrocybe retigera from a grassy lawn in Lick Creek Park. College Station, Texas, June 21, 2018
Location on mapsIron Bridge Trail, College Station, TX 77845, USA
Side view of small fieldcap mushrooms <B>Agrocybe retigera</B> found on a sewage line cutting in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2018-06-21.htm">June 21, 2018</A>
LinkSide view of small fieldcap mushrooms Agrocybe retigera found on a sewage line cutting in Lick Creek Park. College Station, Texas, June 21, 2018
Location on mapsRaccoon Run, College Station, TX 77845, USA
Small fieldcap mushrooms <B>Agrocybe retigera</B> from grass of a sewage line cutting in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2018-06-21.htm">June 21, 2018</A>
LinkSmall fieldcap mushrooms Agrocybe retigera from grass of a sewage line cutting in Lick Creek Park. College Station, Texas, June 21, 2018
Location on mapsRaccoon Run, College Station, TX 77845, USA
Small fieldcap mushrooms <B>Agrocybe retigera</B> on a grassy lawn in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2019-06-21.htm">June 21, 2019</A>
LinkSmall fieldcap mushrooms Agrocybe retigera on a grassy lawn in Lick Creek Park. College Station, Texas, June 21, 2019
Location on mapsLick Creek Park, 13600 Rock Prairie Rd, College Station, TX 77845, USA
Fieldcap mushrooms <B>Agrocybe retigera</B> taken from grass near the trail on Richards Loop Trail in Sam Houston National Forest. Texas, <A HREF="../date-en/2020-07-28.htm">July 28, 2020</A>
LinkFieldcap mushrooms Agrocybe retigera taken from grass near the trail on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Location on mapsLone Star Hiking Trail, Montgomery, TX 77356, USA
Side view of fieldcap mushrooms <B>Agrocybe retigera</B> taken from grass near the trail on Richards Loop Trail in Sam Houston National Forest. Texas, <A HREF="../date-en/2020-07-28.htm">July 28, 2020</A>
LinkSide view of fieldcap mushrooms Agrocybe retigera taken from grass near the trail on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Location on mapsLone Star Hiking Trail, Montgomery, TX 77356, USA
Small fieldcap mushrooms <B>Agrocybe retigera</B> taken from grass near the trail on Richards Loop Trail in Sam Houston National Forest. Texas, <A HREF="../date-en/2020-07-28.htm">July 28, 2020</A>
LinkSmall fieldcap mushrooms Agrocybe retigera taken from grass near the trail on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Location on mapsLone Star Hiking Trail, Montgomery, TX 77356, USA
Underside of fieldcap mushrooms <B>Agrocybe retigera</B> taken from grass near the trail on Richards Loop Trail in Sam Houston National Forest. Texas, <A HREF="../date-en/2020-07-28.htm">July 28, 2020</A>
LinkUnderside of fieldcap mushrooms Agrocybe retigera taken from grass near the trail on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Location on mapsLone Star Hiking Trail, Montgomery, TX 77356, USA
Fieldcap mushrooms <B>Agrocybe retigera</B> in a prairie field in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2021-07-07.htm">July 7, 2021</A>
LinkFieldcap mushrooms Agrocybe retigera in a prairie field in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
Location on maps23400 Park Rd 12, Washington, TX 77880, USA
Side view of fieldcap mushrooms <B>Agrocybe retigera</B> on a grassy field in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2021-07-07.htm">July 7, 2021</A>
LinkSide view of fieldcap mushrooms Agrocybe retigera on a grassy field in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
Location on maps23400 Park Rd 12, Washington, TX 77880, USA
Fieldcap mushrooms <B>Agrocybe retigera</B> on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2022-09-05.htm">September 5, 2022</A>
LinkFieldcap mushrooms Agrocybe retigera on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
Location on maps23301, Farm-to-Market Road 1155, Washington, Washington County, Texas, 77880, United States
Mature fieldcap mushrooms <B>Agrocybe retigera</B> on a grassy lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2022-09-05.htm">September 5, 2022</A>
LinkMature fieldcap mushrooms Agrocybe retigera on a grassy lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
Location on maps23254 Farm-to-Market Road 1155, Washington, Texas 77880, United States
Fieldcap mushrooms <B>Agrocybe retigera</B> in Bee Creek Park. College Station, Texas, <A HREF="../date-en/2024-11-11.htm">November 11, 2024</A>
LinkFieldcap mushrooms Agrocybe retigera in Bee Creek Park. College Station, Texas, November 11, 2024
Location on mapsAnderson Street, College Station, Brazos County, Texas, 77840, United States
Close-up of fieldcap mushrooms <B>Agrocybe retigera</B> in Bee Creek Park. College Station, Texas, <A HREF="../date-en/2024-11-11.htm">November 11, 2024</A>
LinkClose-up of fieldcap mushrooms Agrocybe retigera in Bee Creek Park. College Station, Texas, November 11, 2024
Location on mapsAnderson Street, College Station, Brazos County, Texas, 77840, United States
Spores (in KOH) of fieldcap mushrooms <B>Agrocybe retigera</B> from a lawn, collected in Bee Creek Park. College Station, Texas, November 11, 2024
LinkSpores (in KOH) of fieldcap mushrooms Agrocybe retigera from a lawn, collected in Bee Creek Park. College Station, Texas, November 11, 2024

AI-generated summary of observations

Observations of the fungus Agrocybe retigera in East and Central Texas show that it grows in various grassy areas, including lawns, parks, and prairies. It was found in Lick Creek Park, College Station, on multiple occasions (2018-2019), as well as in Sam Houston National Forest (2020) and Washington-on-the-Brazos State Historic Site (2021-2022). The fungus was also spotted in Bee Creek Park, College Station, in 2024. It typically grows in small groups, with mature mushrooms appearing on lawns and grassy fields. Spore prints were taken from specimens found in Bee Creek Park, allowing for further identification. Overall, Agrocybe retigera appears to be a common sight in East and Central Texas, particularly in areas with lush grass and suitable growing conditions. The fungus was observed during various times of the year, including summer and fall.

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Acknowledgements

Mushroom Observer and Facebook for learning names of local mushrooms.

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