Synonyms: Agaricus aestriplex, Fomes abramsianus, Fomes calkinsii, Fomes crustosus, Fomes haematoxyli, Fomes igniarius, Fomes rhaponticus, Fomes robustus, Fomes squarrosus, Fomes texanus, Fomes tuberosus, Fomes ungulatus, Fomes yasudae, Fomes yasudai, Fomitiporia calkinsii, Fomitiporia texana, Fomitoporia robusta, Ochroporus robustus, Phellinus aestriplex, Phellinus robustus, Phellinus texanus, Placodes roburneus, Polyporus aestriplex, Polyporus buxi, Polyporus robustus, Pyropolyporus calkinsii, Pyropolyporus crustosus, Pyropolyporus haematoxyli, Pyropolyporus texanus, Scindalma robustum, Ungularia tuberosa.
Common name: Robust Bracket.
Fomitiporia robusta is a fungal species that belongs to the family Hymenochaetaceae. It is a wood-decaying fungus that grows on dead trees, particularly oak and other hardwoods. In East and Central Texas, Fomitiporia robusta has been found on a variety of hosts, including Quercus spp., Carya spp., and Ulmus spp. The fungus produces perennial, sessile, or stipitate fruiting bodies with a rough, wrinkled, or zonate cap that ranges in color from brown to grayish-brown. The pore surface is typically brown to tan, with 4-6 pores per mm. Fomitiporia robusta is relatively common in the region, often occurring on fallen logs, stumps, and dead branches in deciduous forests and woodlands.
Observations of the fungus Fomitiporia robusta in East and Central Texas have revealed its presence on various tree species. In Washington, Texas, a bracket polypore mushroom identified as Fomitiporia texana (synonymously known as Fomitiporia robusta) was found growing on a fry red cedar tree at the Washington-on-the-Brazos State Historic Site on August 15, 2020. This sighting suggests that Fomitiporia robusta can thrive in the region's climate and habitat. The fungus is likely to be associated with decaying wood, as it is commonly found on dead or dying trees. Further observations are needed to fully understand its distribution and ecological role in East and Central Texas. The discovery of Fomitiporia robusta in this region highlights the diversity of fungal species present in the area. Additional research could provide insights into its growth patterns and interactions with other organisms.
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