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Fungi: Basidiomycota: Agaricomycetes: Russulales: Peniophoraceae: Scytinostroma portentosum (Berk. & M.A.Curtis) Donk

Scytinostroma portentosum – mothball crust

Synonyms: Corticium aluta, Corticium diminuens, Corticium grammicum, Corticium penetrans, Corticium portentosum, Crystallocystidium portentosum, Stereum portentosum, Terana diminuens, Terana portentosa, Vararia portentosa.

Common name: mothball crust.

Photos of this mushroom from East and Central Texas

Corticioid fungus <B>Scytinostroma portentosum</B>(?) on dry stems of pecan in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2023-01-02.htm">January 2, 2023</A>
LinkCorticioid fungus Scytinostroma portentosum(?) on dry stems of pecan in Lick Creek Park. College Station, Texas, January 2, 2023
Texture of corticioid fungus <B>Scytinostroma portentosum</B>(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2023-01-02.htm">January 2, 2023</A>
LinkTexture of corticioid fungus Scytinostroma portentosum(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, January 2, 2023
Tan-colored corticioid fungus <B>Scytinostroma portentosum</B>(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2023-01-02.htm">January 2, 2023</A>
LinkTan-colored corticioid fungus Scytinostroma portentosum(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, January 2, 2023
Close-up of corticioid fungus <B>Scytinostroma portentosum</B>(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2023-01-02.htm">January 2, 2023</A>
LinkClose-up of corticioid fungus Scytinostroma portentosum(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, January 2, 2023
Growth pattern of corticioid fungus <B>Scytinostroma portentosum</B>(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2023-01-02.htm">January 2, 2023</A>
LinkGrowth pattern of corticioid fungus Scytinostroma portentosum(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, January 2, 2023
Corticioid fungus <B>Scytinostroma portentosum</B>(?) with a scratch turning brown on a dry stem of pecan in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2023-01-02.htm">January 2, 2023</A>
LinkCorticioid fungus Scytinostroma portentosum(?) with a scratch turning brown on a dry stem of pecan in Lick Creek Park. College Station, Texas, January 2, 2023
Close-up of surface of corticioid fungus <B>Scytinostroma portentosum</B>(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2023-01-02.htm">January 2, 2023</A>
LinkClose-up of surface of corticioid fungus Scytinostroma portentosum(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, January 2, 2023
Corticioid fungus <B>Scytinostroma portentosum</B>(?) together with Hymenochaete on a dry stem of pecan in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2023-01-02.htm">January 2, 2023</A>
LinkCorticioid fungus Scytinostroma portentosum(?) together with Hymenochaete on a dry stem of pecan in Lick Creek Park. College Station, Texas, January 2, 2023
White margins of corticioid fungus <B>Scytinostroma portentosum</B>(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, <A HREF="../date-en/2023-01-02.htm">January 2, 2023</A>
LinkWhite margins of corticioid fungus Scytinostroma portentosum(?) on a dry stem of pecan in Lick Creek Park. College Station, Texas, January 2, 2023
Partially dried corticioid fungus <B>Scytinostroma portentosum</B>(?) on a pecan log near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2023-01-03.htm">January 3, 2023</A>
LinkPartially dried corticioid fungus Scytinostroma portentosum(?) on a pecan log near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
Location on maps23450 Farm-to-Market Road 1155, Washington, Texas 77880, United States
Section corticioid fungus <B>Scytinostroma portentosum</B>(?) on a pecan log near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2023-01-03.htm">January 3, 2023</A>
LinkSection corticioid fungus Scytinostroma portentosum(?) on a pecan log near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
Location on maps23450 Farm-to-Market Road 1155, Washington, Texas 77880, United States
Corticioid fungus <B>Scytinostroma portentosum</B>(?) on a fallen branch of pecan in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2023-01-03.htm">January 3, 2023</A>
LinkCorticioid fungus Scytinostroma portentosum(?) on a fallen branch of pecan in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
Location on maps23450 Farm-to-Market Road 1155, Washington, Texas 77880, United States
Crust fungus <B>Scytinostroma portentosum</B>(?) on a fallen branch of pecan in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2023-01-03.htm">January 3, 2023</A>
LinkCrust fungus Scytinostroma portentosum(?) on a fallen branch of pecan in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
Location on maps23450 Farm-to-Market Road 1155, Washington, Texas 77880, United States
Texture of corticioid fungus <B>Scytinostroma portentosum</B>(?) on a fallen branch of pecan in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2023-01-03.htm">January 3, 2023</A>
LinkTexture of corticioid fungus Scytinostroma portentosum(?) on a fallen branch of pecan in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
Location on maps23450 Farm-to-Market Road 1155, Washington, Texas 77880, United States
Crust fungus <B>Scytinostroma portentosum</B>(?) on bark of a fallen branch of pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2023-01-03.htm">January 3, 2023</A>
LinkCrust fungus Scytinostroma portentosum(?) on bark of a fallen branch of pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
Location on maps23450 Farm-to-Market Road 1155, Washington, Texas 77880, United States
Spores (at low magnification, x40 objective) of corticioid fungus <B>Scytinostroma portentosum</B>(?) from dry stems of pecan, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
LinkSpores (at low magnification, x40 objective) of corticioid fungus Scytinostroma portentosum(?) from dry stems of pecan, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
Spores (with x100 objective) of corticioid fungus <B>Scytinostroma portentosum</B>(?) from dry stems of pecan, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
LinkSpores (with x100 objective) of corticioid fungus Scytinostroma portentosum(?) from dry stems of pecan, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
Spores (with x100 objective) of corticioid fungus <B>Scytinostroma portentosum</B>(?) from dry stems of pecan, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
LinkSpores (with x100 objective) of corticioid fungus Scytinostroma portentosum(?) from dry stems of pecan, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
Measurement of sporesSpore size 10.7 - 12.3 × 7 - 8 µm, length to width ratio Q = 1.5 - 1.7.
Spores (with less applied pressure) of corticioid fungus <B>Scytinostroma portentosum</B>(?) from dry stems of pecan, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
LinkSpores (with less applied pressure) of corticioid fungus Scytinostroma portentosum(?) from dry stems of pecan, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
Spores of corticioid fungus <B>Scytinostroma portentosum</B>(?) from a pecan log near a former pond, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
LinkSpores of corticioid fungus Scytinostroma portentosum(?) from a pecan log near a former pond, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
Spores (in lugol) from corticioid fungus <B>Scytinostroma portentosum</B>(?) from a pecan branch near the river, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
LinkSpores (in lugol) from corticioid fungus Scytinostroma portentosum(?) from a pecan branch near the river, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
Spores from corticioid fungus <B>Scytinostroma portentosum</B>(?) from a pecan branch near the river, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
LinkSpores from corticioid fungus Scytinostroma portentosum(?) from a pecan branch near the river, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
Brown Peniophora-like corticioid fungus <B>Scytinostroma portentosum</B>(?) on soft rotting log in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, <A HREF="../date-en/2024-05-07.htm">May 7, 2024</A>
LinkBrown Peniophora-like corticioid fungus Scytinostroma portentosum(?) on soft rotting log in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, May 7, 2024
Location on maps906, Ashburn Avenue, College Station, Brazos County, Texas, 77840, United States
Growth pattern of brown Peniophora-like corticioid fungus <B>Scytinostroma portentosum</B>(?) on soft rotting log in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, <A HREF="../date-en/2024-05-07.htm">May 7, 2024</A>
LinkGrowth pattern of brown Peniophora-like corticioid fungus Scytinostroma portentosum(?) on soft rotting log in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, May 7, 2024
Location on maps906, Ashburn Avenue, College Station, Brazos County, Texas, 77840, United States
Texture of brown Peniophora-like corticioid fungus <B>Scytinostroma portentosum</B>(?) on soft rotting log in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, <A HREF="../date-en/2024-05-07.htm">May 7, 2024</A>
LinkTexture of brown Peniophora-like corticioid fungus Scytinostroma portentosum(?) on soft rotting log in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, May 7, 2024
Location on maps906, Ashburn Avenue, College Station, Brazos County, Texas, 77840, United States
Scratched area of brown Peniophora-like corticioid fungus <B>Scytinostroma portentosum</B>(?) on soft rotting log in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, <A HREF="../date-en/2024-05-07.htm">May 7, 2024</A>
LinkScratched area of brown Peniophora-like corticioid fungus Scytinostroma portentosum(?) on soft rotting log in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, May 7, 2024
Location on maps906, Ashburn Avenue, College Station, Brazos County, Texas, 77840, United States
Spores of brown Peniophora-like corticioid fungus <B>Scytinostroma portentosum</B>(?) from a soft rotting log, collected in David E. Schob Nature Preserve. College Station, Texas, May 7, 2024
LinkSpores of brown Peniophora-like corticioid fungus Scytinostroma portentosum(?) from a soft rotting log, collected in David E. Schob Nature Preserve. College Station, Texas, May 7, 2024

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