RMDMK5T8–Brightfield photomicrograph, Uromyces pisi on Euphorbia cyparissias (Cyprus Spurge) a cluster cup rust fungus, spores
RMC4A3XN–Red Fungal Galls on Dock Caused by Rust Fungus, Puccinia phragmitis, Pucciniaceae, Uredinales, Fungi.
RMBX102R–Close up of Hollyhock rust is caused by the fungus Puccinia malvacearum on the undersides of the leaves.
RMCNY4Y2–cypress spurge (Euphorbia cyparissias), with rust fungus, Germany, Thuringia
RMT7C9GG–Nettle clustercup rust fungus (Puccinia urticata). A bright orange gall fungus in the family Pucciniaceae, UK
RFE1B6B1–Gymnosporangium juniperi-virginianae is a plant pathogen that causes cedar-apple rust. In virtually any location where apples or crabapples (Malus) and Eastern red-cedar (Juniperus virginiana) coexist, cedar apple rust can be a destructive or disfiguring disease on both the apples and cedars
RMP5GK6H–Cedar Apple Rust, fungus on Cedar tree
RMC4KNTK–Gymnosporangium sabinae (European pear rust) on Juniperus sabina twigs
RMACR04N–Hollyhock rust Puccinia malvacearum on hollyhock upper leaf surface
RFWNDKA4–Rust fungus, caused by Phragmidium fungus affectes rose leaves. Close up.
RMDKR4C1–Rust fungus (Phragmidium sp.) fruiting body on a wild rose (Rosa sp.). Powys, Wales. June.
RMDH8J5W–Acacia saligna with acacia gall rust fungus, Uromycladium tepperianum, Cape Town, South Africa
RF2A92XWA–Gymnosporangium cornutum, a rust fungus called the Juniper rust, growing on a leaf of Rowan, Sorbus aucuparia
RFEYWMBJ–Uredium, the spore creating body, of the rust fungus Puccinia urticata on the stem of a Common Stinging Nettle (Urtica dioca).
RM2H0NXER–Hawthorn Rust, Leaves infected with Rust Fungus (Gymnosporangium globosum)
RMC07R4J–Calafate rust = Roya (Aecidium magellanicum) growing on the Beriberis shrub Torres del Paine National Park Patagonia Chile
RF2HAG9YJ–Rose Rust fungus on a leaf. This disease is caused by the rust fungus Phragmidium sp.
RFFCR2YM–Nettle rust fungus (Puccinia urticata). A very common bright orange gall fungus in the family Pucciniaceae on nettle
RMD979M7–Rust Fungus Triphragmium ulmariae which attacks the petioles and / or midribs of Meadowsweet Filipendula ulmaria leaves
RFC3TE32–Geranium rust
RMDGTK4B–A Rust fungus, Puccinia albescens on moschatel, Adoxa moschatellina in woodland, Dorset.
RMDRKMF5–Rust fungus on sweet Cicely Myrrhis odorata, darkfield photomicrograph
RMEBK2TB–Rose Rust (Phragmidium mucronatum), Rose Rust on Prickly Rose hip, Rosa acicularis, Canada, Yukon Territory, Kluane National Park
RF2P04GMH–Grass rust fungus in yard. Lawn disease, prevention and lawncare service concept.
RM2KF70XA–Rust fungus on leaf of plum tree or Fruit Tree Leaf Infected by Leaf Fungus
RF2CATP18–Rust fungus (possibly Gymnosporangium sp.) on wild rose fruit
RM2R1BRT8–Rust fungus (Gymnosporangium cornutum) on the underside of a leaf of its host plant, the common european rowan (Sorbus aucuparia), Valais, Switzerland
RMACG8MK–Rose rust Phragmidium tuberculatum pustules on rose leaf lower surface
RMGGJ87X–Rust - caused by fungus Uromyces fabae on Broad Beans. DIS063527 /Photosho
RM2BKHDAN–Sorrel or Oxalis Rust Fungus - Puccinia oxalidis on underside of leaf of Pink Sorrel - Oxalis articulata
RM2CFT2XE–A cordon grown pear tree affected by pear rust caused by the rust fungus Gymnosporangium sabinae.
RF2HCKTB2–Puccinia coronata, known as crown rust fungus, infecting Frangula alnus, known as alder buckthorn
RFR9BGR0–The rust fungus Melampsoridium hiratsukanum on the leaf of an alder tree
RFMD87R2–A Tree Bumblebee ( Bombus hypnorumon) on a blackberry leaf. The leaf is showing signs of rust fungus.
RMHRRTFF–A coffee farmer shows off leaf rust fungus on his thumb, after examining coffee plant leaves that have been infected with leaf rust.
RM2BK6FT0–An example of the yellow rust fungi Melampsora populina that is growing on Dog’s Mercury, Mercurialis perennis, that was found growing at the side of
RMD9KAYJ–Nettle Rust Fungus Puccinia urticata
RFG7H8HB–Gymnosporangium clavariiforme, a rust fungus which attacks the Juniper, colourful bright orange in the Norwegian forest
RMR785WE–Port Jackson, Acacia saligna with a gall-forming rust fungus, Uromycladium tepperianum, used to control it. South Africa.
RM2BPBM16–Rust fungus (Melampsora populnea) on Dog's Mercury (Mercurialis perennis)
RMPK9E4W–Juniper-apple rust fungus (Gymnosporangium juniperi-virginianae). Called Cedar-apple rust also.
RF2DBT1EW–Juniper-apple rust fungus (Gymnosporangium juniperi-virginianae). Called Cedar-apple rust also.
RF2EE0F74–Rose Rust fungus on Rosa canina hips
RMF0DEFR–Branches of Port Jackson trees infected with with rust fungus as an on-going biological control programme.
RF2R1NKRG–Rust fungus (Gymnosporangium cornutum) on the leaves of the host plant Common european rowan (Sorbus aucuparia), Valais, Switzerland
RMAJ7A7X–Mint rust Puccinia menthae on peppermint plants leaves
RM2BN9BDN–Sorrel or Oxalis Rust Fungus - Puccinia oxalidis on underside of leaf of Pink Sorrel - Oxalis articulata
RFE1B6BC–Gymnosporangium juniperi-virginianae is a plant pathogen that causes cedar-apple rust. In virtually any location where apples or crabapples (Malus) and Eastern red-cedar (Juniperus virginiana) coexist, cedar apple rust can be a destructive or disfiguring disease on both the apples and cedars
RF2HB4M62–Puccinia coronata, known as crown rust fungus, infecting Frangula alnus, known as alder buckthorn
RMP5GK8X–Cedar Apple Rust, fungus on Cedar tree
RFR9BGPJ–The rust fungus Melampsoridium hiratsukanum on the leaf of an alder tree
RF2R15AGT–Cedar Apple Rust Fungus, Gymnosporangium juniperi-virginianae fungus on juniper tree, Seattle Arboretum
RMHRRTFN–Coffee worker checking leaves for any signs of coffee leaf rust fungus on a coffee plantation in San Marcos de Tarrazœ, Costa Rica.
RM2BK6FB5–An example of the yellow rust fungi Melampsora populina that is growing on Dog’s Mercury, Mercurialis perennis, that was found growing at the side of
RMDCH3T8–Plant Leaves Covered In Rust Fungus
RFG7H8NX–Gymnosporangium clavariiforme, a rust fungus which attacks the Juniper, colourful bright orange in the Norwegian forest
RMR785WG–A gall-forming rust fungus, Uromycladium tepperianum, on Port Jackson, Acacia saligna - introduced as a biological control. Cape, South Africa.
RM2BPBM17–Rust fungus (Melampsora populnea) on Dog's Mercury (Mercurialis perennis)
RMPK9E4B–Juniper-apple rust fungus (Gymnosporangium juniperi-virginianae). Called Cedar-apple rust also.
RF2DBT1ER–Juniper-apple rust fungus (Gymnosporangium juniperi-virginianae). Called Cedar-apple rust also.
RF2EE0F7J–Rose Rust fungus on Rosa canina hips
RFH4FYAX–Pear leaf gall caused by Gymnosporangium sabinae. Rust fungus on underside of pear leaf (Pyrus sp.) showing fruiting body
RM2WNM735–Rust fungus (Gymnosporangium cornutum) on the upper side of a leaf of its host plant, the common european rowan (Sorbus aucuparia), Valais
RMAJDCMP–Rust Puccinia arenariae telia in concentric rings underside of a red campion Silene dioica leaf
RF2CT815A–Gymnosporangium sabinae (Gymnosporangium fuscum, pear rust, European pear rust, or pear trellis rust) is a fungal plant pathogen with Juniperus.
RM2BM5C58–Sorrel or Oxalis Rust Fungus - Puccinia oxalidis on underside of leaf of Pink Sorrel - Oxalis articulata
RF2R8R6YW–The Rose Rust Fungus caused by a fungus Phragmidium mucronatum and P. tuberculatum. Symptoms on ornamental roses in the garden.
RFW6XPE9–Gymnosporangium cornutum, a rust fungus called the Juniper rust, growing on a leaf of Rowan, Sorbus aucuparia
RMHH0YMB–Rose Rust fungus on a leaf. This disease is caused by the rust fungus Phragmidium sp.
RF2AH752B–The rust fungus Melampsoridium hiratsukanum on the dead leaf of an alder tree
RM2BK6B58–An example of the yellow rust fungi Melampsora populina that is growing on Dog’s Mercury, Mercurialis perennis, that was found growing at the side of
RMD979K9–Rust Fungus Uromyces valerianae found on Marsh Valerian leaves Valeriana dioica
RFG7H8TB–Gymnosporangium clavariiforme, a rust fungus which attacks the Juniper, colourful bright orange in the Norwegian forest
RMR785WH–A gall-forming rust fungus, Uromycladium tepperianum, on Port Jackson, Acacia saligna - introduced as a biological control. Cape, South Africa.
RFD6XRXC–Leaf of a rainforest tree infected with a pathogenic fungus
RMPK9E5T–Juniper-apple rust fungus (Gymnosporangium juniperi-virginianae). Called Cedar-apple rust also.
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