Synonyms: Galera tibiicystis, Galerula tibiicystis.
Galerina tibiicystis is a small to medium-sized agaric fungus that grows on soil, decaying wood, and other organic matter. In East and Central Texas, it typically fruits from spring to fall, often in association with oak and pine trees. The cap is 1-4 cm in diameter, convex to flat, and reddish-brown to brown with a faintly striate margin. The gills are crowded, pale brown to brown, and attached to the stipe. The stipe is slender, 2-6 cm long, and has a ring or annulus near the apex. Spores are brown, elliptical, and measure 8-11 x 5-6 microns. Galerina tibiicystis can be found in a variety of habitats, including woodland edges, clearings, and along trails, and is commonly encountered in the region's sandy soils and wooded areas.
In East and Central Texas, specifically at the Watson Rare Native Plant Preserve in Warren, Texas, observations of the fungus Galerina tibiicystis were made on several occasions. The mushrooms were found growing in sphagnum bogs, with notable sightings on October 17, 2020, November 14, 2020, and November 27, 2021. Photographs taken during these observations show the mushrooms' caps, gills, and undersides, providing detailed documentation of their morphology. The images reveal the characteristic features of Galerina tibiicystis, including its small to medium size, conical to bell-shaped cap, and pale to dark brown colors. The consistent presence of this species in the sphagnum bogs suggests a specific ecological niche for Galerina tibiicystis in this region. The observations also highlight the importance of preserving rare native plant habitats like the Watson Rare Native Plant Preserve.
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