Plant Parasites of Europe

leafminers, galls and fungi

Puccinellia distans

reflexed saltmarsh-grass

synonym: Festuca distans

organ parasitic mode stage note taxonomic group parasite
leaf pustule uredinia Pucciniaceae Uredo glyceriae
leaf leaf spot Phaeosphaeriaceae Phaeosphaeria eustoma
leaf vagrant Lygaeidae Henestaris halophilus
root collar vagrant Pentatomidae Sciocoris distinctus
stem scale Pseudococcidae Trionymus perrisii
leaf vagrant Cicadellidae Psammotettix kolosvarensis
leaf vagrant Delphacidae Javesella salina
leaf vagrant Eriophyidae Aceria aculiformis
leaf vagrant Eriophyidae Aceria tosichella
flower gall Tilletiales Tilletia puccinelliae
leaf down Erysiphales Erysiphaceae Blumeria graminis
leaf leaf spot Georgefischeriales Jamesdicksonia dactylidis
leaf film Ustilaginales Tranzscheliella hypodytes
leaf gall Eriophyidae Abacarus hystrix
leaf pustule uredinia telia Pucciniales Puccinia coronata
leaf pustule uredinia telia Pucciniales Puccinia graminis
leaf stripe Ustilaginales Ustilago striiformis
leaf vagrant Aphididae Atheroides brevicornis
leaf vagrant Aphididae Sipha elegans


the part of the plant that most conspicuously is hit by the parasite

all buds: both flower buds and leaf buds
flower: also inflorescence
leaf: also needle, phyllodium, petiole
leaf bud: also unfolding young leaf
fruit: also seed
root: also root stock, runners
root collar: also the lowest part of the stem
stem: also culm, the lower part of the peduncle, in grasses also leaf sheath
systemic: the entire above-ground plant.


borer: larva living internally, almost no outwards signs
down: 0.5-2 mm high fungal down
film: very thin cover of fungal tussue
gall: swelling and/or malformation
grazer: feeding at the outside of the plant
leaf spot: discoloured, often ± necrotic, generally not galled, sign of a fungus infection
miner-borer: larve initially makes a mine, lives as a borer later
pustule: plug of fungal tissue, generally brown-black and < 2 mm
stripe: longitudinal line of fungal tissue in a grass leaf
vagrant: (aphids, mites) living freely on the plant, at higher densitiy causing malformations.


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The host plant spectre of a parasite is rarely known exhaustively; this applies in particular at the species level. It is advisable therefore to check at least also the list of all parasites of this genus.


Last modified 2.i.2023