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Mothball crust

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

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