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.