BioImages: The Virtual Field-Guide (UK)

Persicaria (knotweeds)

Subtaxa

Rank Taxon #photos #macrophotos #webs
Species Persicaria amphibia (L.) Gray (Amphibious Bistort) 2   12
Species Persicaria bistorta (L.) Samp. (Common Bistort) 6   10
Species Persicaria hydropiper (L.) Spach (Water-pepper)   20 5
Species Persicaria lapathifolia (L.) Gray (Pale Persicaria)     6
Species Persicaria laxiflora (Weihe) Opiz (Tasteless Water-pepper)     2
Species Persicaria maculosa Gray (Redshank) 5 15 14
Species Persicaria minor (Hudson) Opiz (Small Water-pepper)     1
Species Persicaria vivipara (L.) Ronse Decraene (Alpine Bistort)   1 8

Suggested Literature

Identification Works

Lansdown R.V. & Pankhurst T.J. Privately published

Persicaria may also be covered by literature listed under:

BIOTA
(living things)
Eukaryota
(eukaryotes)
PLANTAE
(plants)
SPERMATOPHYTA
(vascular plants)
MAGNOLIOPSIDA
(flowering plants)
MAGNOLIIDAE
(dicotyledonous flowering plants)
POLYGONACEAE
(docks and knotgrasses)

Feeding and other inter-species relationships

Associated with Persicaria:

leaf (underside) (rolled) rolled leaf (underside) is grazed by larva Pachynematus albipennis - a sawfly (Hymenoptera: Tenthredinidae) Restricted Benson, R.B., 1958
Photos stem (dead, lying in water) dead, lying in water stem is decayed by stalked apothecium Hymenoscyphus scutula - a discomycete (Helotiales: Helotiaceae) Ellis, M.B. & J.P., 1997

Persicaria may be associated with more taxa listed at higher taxonomic level

MAGNOLIOPSIDA
(flowering plants)
MAGNOLIIDAE
(dicotyledonous flowering plants)
POLYGONACEAE
(docks and knotgrasses)

References

Benson, R.B., 1958 Hymenoptera: 2. Symphyta. Section (c)
Ellis, M.B. & J.P., 1997 Microfungi on Land Plants: An Identification Handbook

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