Rare Plant Register for Huntingdonshire - Botanical Society of the ...

Compartment 47
Compartment 39
62
TL22988488
TL23168517
This species was thought extinct until re-discovered by NM in 2005.
Persicaria mitis (Schrank) Opiz ex Assenov
Tasteless Water-pepper
National Status: Nationally Scarce,
Vulnerable
2011 (MM)
2010 (MM)
County Status: Rare (1 site, 1 tetrad)
Site Grid Reference Last Record
Bluntisham Fen, Brownshill Staunch TL369732 2009 (DB)
This late summer flowering annual favours open wet habitats that result from the summer
drawdown of ponds and ditches or from the trampling and dunging of cattle. It’s apparent
decline has been linked to the closer regulation of water levels, the infilling of ponds and the
fencing off of ditches and other water bodies, all of which contribute to the decrease of wet
mud habitats (Stewart et al. 1994). It has been known from the vicinity of Brownshill Staunch
since at least 1974.
Petasites hybridus (L.) Gaertn., Mey. & Scherb.
Butterbur
National Status: Not scarce, not threatened County Status: Rare (2 sites, 2 tetrads)
Site Grid Reference Last Record
Great Gransden TL267556 2010 (DB)
St Neots Common SSSI TL18606175 2010 (DB)
Native in wet places by rivers and streams. It has always been rare in Huntingdonshire.
Petroselinum segetum (L.) Koch
Corn Parsley
National Status: Not scarce, not threatened County Status: Scarce (4 sites, 4 tetrads)
Site Grid Reference Last Record
Alconbury, farmland east of A1 TL19377548 2011 (MiB)
Easton TL136708 1997 (BD)
Old Weston TL099772 1997 (TW)
Woodston, Nene Valley Railway cyclepath TL172976 2008 (DB)
The exceptionally strong colony present at Woodston, where it grows with Ranunculus
parviflorus, is likely to be maintained by disturbance from rabbits and periodic cutting back of
scrub to maintain the cyclepath. At Easton it has been recorded from arable habitats while at
Old Weston it appeared on a dry bank associated with a hedgerow.