Family: Dock & Knotweed [Polygonaceae]

Fagopyrum
Fallopia
Koenigia
Muehlenbeckia

Oxyria
Persicaria
Polygonum
Rheum

Rumex


[PERSICARIA] Bistorts

 

PERSICARIA HYBRID CHART (shrunk)
Hybrid Chart: BISTORT (larger)

Persicaria SPECIES LACKING HYBRIDS
(Persicaria affinis) Himalayan Bistort
(Persicaria alpina) Alpine Knotweed
(Persicaria amphibia) Amphibious Bistort
(Persicaria amplexicaulis) Red Bistort
(Persicaria bistorta) Common Bistort
(Persicaria campanulata) Lesser Knotweed
(Persicaria capitata) Pink-headed Persicaria
(Persicaria mollis) Soft Knotweed
(Persicaria nepalensis) Nepal Persicaria
(Persicaria pensylvanica) Pinkweed
(Persicaria sagittata) America Tear-thumb
(Persicaria senegalensis)
(Persicaria vacciniifolia)
(Persicaria vivipara) Alpine Bistort
(Persicaria wallichii) Himalayan Knotweed
(Persicaria weyrichii) Chinese Knotweed

Amphibious Bistort. (Persicaria amphibia) Photo: © RWD

Redleg. (Persicaria maculosa) Photo: © RWD

Red Bistort (Persicaria amplexicaulis) Photo: © RWD


[FALLOPIA] Knotweeds

 

[Fallopia]
KNOTWEED HYBRID CHART
[Fallopia]
KNOTWEED
HYBRIDS
BSBI MAPS		 Russian
Vine
(baldschuanica)		 Japanese
Knotweed
(japonica)		 Giant
Knotweed
(sachalinensis)
Giant
Knotweed
(sachalinensis)		   Fallopia
×
bohemica
Japanese
Knotweed
(japonica)		 Fallopia
×
conollyana		 Fallopia
×
bohemica
Russian
Vine
(baldschuanica)		 Fallopia
×
conollyana		  

Fallopia SPECIES LACKING HYBRIDS
(Fallopia convolvulus) Black Bindweed
(Fallopia dumetorum) Copse-bindweed

Giant Knotweed (Fallopia sachalinensis) Photo: © RWD

Lesser Knotweed (Persicaria campanulata) Photo: © RWD

Russian Vine (Fallopia baldschuanica) Photo: © RWD

Black Bindweed (Fallopia convolvulus) Photo: © RWD


[RHEUM] Rhubarbs

Rhubarb (Rheum × rhabarbarum) Photo: © RWD


[FAGOPYRUM] Buckwheats

Buckwheat (Fagopyrum esculentum) Photo: © Ruth Dawson


[POLYGONUM] Knotgrasses

Ray's Knotgrass (Polygonum oxyspermum) Photo: © Paula O'Meara

Rumex


[RUMEX] Docks

 

RUMEX HYBRID CHART (shrunk)
Hybrid Chart: RUMEX (larger)

Rumex SPECIES LACKING HYBRIDS
(Rumex acetosa) Common Sorrel
(Rumex acetosa subsp. ambiguus) Common Sorrel
(Rumex acetosa subsp. biformis)
(Rumex acetosa subsp. hibernicus) Common Sorrel
(Rumex acetosella) Sheep's Sorrel
(Rumex acetosella subsp. acetosella) Sheep's Sorrel
(Rumex acetosella subsp. acetosella
var. tenuifolius)
(Rumex acetosella subsp. pyrenaicus) Sheep's Sorrel
(Rumex alpinus) Monk's-rhubarb
(Rumex altissimus)
(Rumex brownii) Hooked Dock
(Rumex bucephalophorus)
(Rumex conglomeratus x cristatus) A dock hybrid
(Rumex crispus subsp. littoreus) Curled Dock
(Rumex crispus subsp. uliginosus) Curled Dock
(Rumex crispus x rupestris) A dock hybrid
(Rumex crystallinus)
(Rumex dentatus) Aegean Dock
(Rumex obovatus) Obovate-leaved Dock
(Rumex salicifolius) Willow-leaved Dock
(Rumex scutatus) French Sorrel
(Rumex stenophyllus)

Golden Dock (Rumex maritimus) Photo: © Paula O'Meara

Common Sorrel (Rumex acetosa) Photo: © RWD

Sheep's Sorrel (Rumex acetosella) Photo: © RWD


[OXYRIA] Mountain-Sorrel

Mountain Sorrel (Oxyria digyna) Photo: © Gordon Anderson

Family: Dock & Knotweed [Polygonaceae]

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