meadow buttercup

synonym: Ranunculus acer, stevenii

organ parasitic mode stage note taxonomic group parasite
leaf leaf spot doubtful Entylomatales Entyloma eburneum
leaf leaf spot Entylomatales Entyloma ranunculacearum
root borer Syrphidae Cheilosia albitarsis
flower vagrant Aphididae Macrosiphum ranunculi
leaf leaf spot Capnodiales Ramularia simplex
leaf leaf spot Capnodiales Ramularia acris
root collar vagrant Cecidomyiidae Resseliella ranunculi
stem miner Agromyzidae Phytomyza albipennis
stem miner Agromyzidae Phytomyza caulinaris
stem borer Agromyzidae Phytomyza cineracea
stem miner Agromyzidae Ophiomyia ranunculicaulis
stem borer Agromyzidae Phytomyza evanescens
stem borer Agromyzidae Phytomyza nigritula
leaf vagrant summer generation Aphididae Aphis fabae fabae
systemic borer Anguinidae Ditylenchus dipsaci
flower gall Cecidomyiidae Dasineura traili
leaf down Erysiphales Erysiphe aquilegiae var aquilegiae
leaf down Erysiphales Erysiphe aquilegiae var ranunculi
leaf down Peronosporales Peronospora hiemalis
leaf leaf spot Capnodiales Ramularia didyma
leaf leaf spot Entylomatales Entyloma microsporum
leaf leaf spot Entylomatales Entyloma verruculosum
leaf leaf spot Helotiales Leptotrochila ranunculi
leaf gall Cecidomyiidae Dasineura ranunculi
leaf gall Eriophyidae Epitrimerus ranunculi
leaf gall Eriophyidae Epitrimerus rhyncothrix
leaf miner Agromyzidae Phytomyza buhriana
leaf miner Agromyzidae Phytomyza clematidis
leaf miner Agromyzidae Phytomyza fallaciosa
leaf miner Agromyzidae Phytomyza notata
leaf miner Agromyzidae Phytomyza ranunculi
leaf miner Agromyzidae Phytomyza ranunculicola
leaf miner Agromyzidae Phytomyza ranunculivora
leaf miner Agromyzidae Phytomyza rydeni
leaf miner Agromyzidae Phytomyza stolonigena
leaf miner Coleophoridae Coleophora rectilineella
leaf miner Sciaridae Phytosciara halterata
leaf miner Sciaridae Phytosciara macrotricha
leaf miner Tenthredinidae Pseudodineura fuscula
leaf pustule Blastocladiales Physoderma vagans
leaf pustule Chytridiales Synchytrium aureum
leaf pustule aecia Pucciniales Aecidium ranunculi-acris
leaf pustule aecia Pucciniales Puccinia perplexans
leaf pustule aecia Pucciniales Uromyces dactylidis
leaf pustule aecia Pucciniales Uromyces poae
leaf pustule telia Pucciniales Puccinia gibberulosa
leaf pustule Urocystidales Urocystis nivalis
leaf pustule Urocystidales Urocystis ranunculi
root collar vagrant summer generation Aphididae Thecabius affinis
leaf vagrant Aphididae Acyrthosiphon malvae malvae
leaf vagrant Aphididae Tubaphis ranunculina


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.


mod 7.viii.2019