Synonyms: Agaricus hypothejus, Hygrophorus aureus, Limacium aureum, Limacium hypothejum, Limacium vitellum.
Common name: herald of winter.
Extract from Wikipedia article: Hygrophorus hypothejus, commonly known as the olive-brown waxy cap, or herald of the winter, is an edible species of fungus in the genus Hygrophorus native to Europe. It appears in late autumn in coniferous forests, often with the first frosts.
Basque: Negu-ezko, Czech: Šťavnatka pomrazka, Dutch: Dennenslijmkop, Estonian: Sügis-limanutt, Finnish: Hallavahakas, German: Frost-Schneckling, Hungarian: Fagyálló csigagomba, Latvian: Salnas gliemezene, Lithuanian: Šalninė guotė, Polish: Wodnicha późna, Russian: Гигрофор поздний, Serbian: Жута пужевица, Swedish: Frostvaxskivling, Ukrainian: Гігрофор пізній, Welsh: Cap cwyr tegyll melyn.
Hygrophorus hypothejus is a small to medium-sized mushroom with a waxy cap that ranges in color from pinkish-brown to tan, often with a darker center. The gills are decurrent, waxy, and pale yellow to cream-colored. It grows in association with oak trees, typically in late summer to early fall. In East and Central Texas, it is commonly found in woodland areas with rich soil, particularly under live oak and post oak. The fungus tends to fruit singly or in small groups, and its distribution is scattered throughout the region.
Caps of mushrooms Hygrophorus hypothejus or may be H. persoonii, H. bakerensis behind third creek (going counter clockwise) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 6, 2024
Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Underside of mushrooms Hygrophorus hypothejus(?) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 6, 2024Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Gills of mushrooms Hygrophorus hypothejus(?) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 6, 2024Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Cross section of mushrooms Hygrophorus hypothejus(?) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 6, 2024Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Tissues (in Congo Red) of mushrooms Hygrophorus hypothejus(?) collected in Sam Houston National Forest near Montgomery. Texas, January 6, 2024
Cystidia and basidia of mushrooms Hygrophorus hypothejus(?) collected in Sam Houston National Forest near Montgomery. Texas, January 6, 2024
Basidia with immature spores of mushrooms Hygrophorus hypothejus(?) collected in Sam Houston National Forest near Montgomery. Texas, January 6, 2024
Spores (in lugol) of mushrooms Hygrophorus hypothejus(?) collected in Sam Houston National Forest near Montgomery. Texas, January 6, 2024
Spores (in KOH) of mushrooms Hygrophorus hypothejus(?) collected in Sam Houston National Forest near Montgomery. Texas, January 6, 2024Observations of the fungus Hygrophorus hypothejus in East and Central Texas include sightings on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. The caps, underside, gills, and cross-sections of the mushrooms were observed, with features consistent with H. hypothejus or possibly related species like H. persoonii or H. bakerensis. Microscopic examination revealed characteristic cystidia and basidia, as well as immature spores on basidia. Spore morphology was also studied using various stains, including Lugol's solution and potassium hydroxide (KOH), which helped to confirm the identity of the fungus. The observations were made on January 6, 2024, and included detailed notes on tissue structure, stained with Congo Red. Overall, the findings provide insights into the morphology and characteristics of H. hypothejus in its natural habitat in East and Central Texas.
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