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Mallow rust

Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Pucciniaceae: Puccinia malvacearum Bertero ex Mont.

Puccinia malvacearum – mallow rust

Synonyms: Leptopuccinia malvacearum, Micropuccinia malvacearum, Puccinia sidae.

Common names: mallow rust, Hollyhock Rust.

Extract from Wikipedia article: Puccinia malvacearum, also known as hollyhock or mallow rust, is a species within the genus Puccinia known for attacking members of the family Malvaceae. An autoecious pathogen, it can complete its life cycle using a single host.

Czech: Rez slézová, Danish: Stokroserust, German: Malvenrost.

Photos of this mushroom from East and Central Texas

Blister-like pustules of hollyhock or mallow rust fungus (<B>Puccinia malvacearum</B>) on lower leaf surface of Geranium carolinianum on a lawn near apartments on George Bush Drive. College Station, Texas, <A HREF="../date-en/2019-03-11.htm">March 11, 2019</A>
LinkBlister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) on lower leaf surface of Geranium carolinianum on a lawn near apartments on George Bush Drive. College Station, Texas, March 11, 2019
Leaves of Geranium carolinianum with blister-like pustules of hollyhock or mallow rust fungus (<B>Puccinia malvacearum</B>) taken from a lawn near apartments on George Bush Drive. College Station, Texas, <A HREF="../date-en/2019-03-11.htm">March 11, 2019</A>
LinkLeaves of Geranium carolinianum with blister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 11, 2019
Blister-like pustules of hollyhock or mallow rust fungus (<B>Puccinia malvacearum</B>) on lower leaf surface of Geranium carolinianum taken from a lawn near apartments on George Bush Drive. College Station, Texas, <A HREF="../date-en/2019-03-13.htm">March 13, 2019</A>
LinkBlister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) on lower leaf surface of Geranium carolinianum taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
Leaves of Geranium carolinianum with blister-like pustules of hollyhock or mallow rust fungus (<B>Puccinia malvacearum</B>) taken from a lawn near apartments on George Bush Drive. College Station, Texas, <A HREF="../date-en/2019-03-13.htm">March 13, 2019</A>
LinkLeaves of Geranium carolinianum with blister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
Blister-like pustules of hollyhock or mallow rust fungus (<B>Puccinia malvacearum</B>) on lower leaf surface and a stem of Geranium carolinianum taken from a lawn near apartments on George Bush Drive. College Station, Texas, <A HREF="../date-en/2019-03-13.htm">March 13, 2019</A>
LinkBlister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) on lower leaf surface and a stem of Geranium carolinianum taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
Blister-like pustules on underside and yellow-orange sunken spots on upper leaf surface of Geranium carolinianum caused by hollyhock or mallow rust fungus (<B>Puccinia malvacearum</B>), taken from a lawn near apartments on George Bush Drive. College Station, Texas, <A HREF="../date-en/2019-03-13.htm">March 13, 2019</A>
LinkBlister-like pustules on underside and yellow-orange sunken spots on upper leaf surface of Geranium carolinianum caused by hollyhock or mallow rust fungus (Puccinia malvacearum), taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
Orange-brown bumps on underside of Geranium carolinianum leaf caused by hollyhock or mallow rust fungus (<B>Puccinia malvacearum</B>), taken from a lawn near apartments on George Bush Drive. College Station, Texas, <A HREF="../date-en/2019-03-13.htm">March 13, 2019</A>
LinkOrange-brown bumps on underside of Geranium carolinianum leaf caused by hollyhock or mallow rust fungus (Puccinia malvacearum), taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
Back lit leaf with blister-like pustules of hollyhock or mallow rust fungus (<B>Puccinia malvacearum</B>) on Geranium carolinianum taken from a lawn near apartments on George Bush Drive. College Station, Texas, <A HREF="../date-en/2019-03-13.htm">March 13, 2019</A>
LinkBack lit leaf with blister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) on Geranium carolinianum taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
Leaves of Geranium carolinianum with blister-like pustules of hollyhock or mallow rust fungus (<B>Puccinia malvacearum</B>) on a receding shore of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, <A HREF="../date-en/2020-02-16.htm">February 16, 2020</A>
LinkLeaves of Geranium carolinianum with blister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) on a receding shore of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
Location on mapsLone Star Hiking Trail, Montgomery, TX 77356, USA

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