Rare Plant Register for Huntingdonshire - Botanical Society of the ...
Rare Plant Register for Huntingdonshire - Botanical Society of the ...
Rare Plant Register for Huntingdonshire - Botanical Society of the ...
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Torilis arvensis (Huds.) Link<br />
Spreading Hedge-parsley<br />
National Status: Nationally Scarce,<br />
Endangered, BAP<br />
County Status: <strong>Rare</strong> (1 site, 1 tetrad)<br />
Site Grid Reference Last Record<br />
Sawtry Fen TL18W 2004 (TW)<br />
A very rare species <strong>of</strong> arable farmland. This species was <strong>for</strong>merly widespread in sou<strong>the</strong>rn and<br />
eastern England but has undergone a marked decline as a result <strong>of</strong> increases in nitrogen<br />
applications to competitive modern crops. It is also late fruiting and may have been<br />
disadvantaged by recent trends <strong>for</strong> <strong>the</strong> earlier harvesting <strong>of</strong> crops (as a result <strong>of</strong> <strong>the</strong> breeding<br />
<strong>of</strong> new crop cultivars) and <strong>the</strong> consequent earlier tilling <strong>of</strong> farmland. It may also be susceptible<br />
to herbicides (Wilson & King, 2003). An unsuccessful search was made <strong>for</strong> this species on<br />
Sawtry Fen in 2011.<br />
[Torilis nodosa (L.) Gaertn. Knotted Hedge-parsley. The number <strong>of</strong> sites now exceeds <strong>the</strong><br />
criteria <strong>for</strong> County Scarce status, removed from <strong>the</strong> <strong>Register</strong> in 2012.]<br />
Trifolium ochroleucon Huds.<br />
Sulphur Clover<br />
National Status: Nationally Scarce, Near<br />
Threatened<br />
County Status: Not scarce (11 sites, 12 tetrads)<br />
Site Grid Reference Last Record<br />
Brampton Racecourse SSSI TL203720<br />
80<br />
TL204719<br />
2007 (KW)<br />
2007 (KW)<br />
Grafham Water TL170666 2007 (KW)<br />
Great Paxton to Gransden, Protected Road<br />
Verge<br />
TL216652 2007 (KW)<br />
Kimbolton Airfield TL109694 2011 (BD)<br />
Midloe Grange Farm, Horse Paddock TL162647 2007 (KW)<br />
Stocking Lane Protected Road Verge TL123695 2010 (BD)<br />
Tilbrook Hill (VC30) TL085698 2007 (KW)<br />
Upwood Meadows SSSI, Bentley Meadow TL251827 2008 (DB)<br />
Woodwalton Marsh SSSI TL212812 2007 (KW)<br />
Woodwalton Hill TL210800 2007 (KW)<br />
Woolley Hill TL148730 2007 (KW)<br />
This is a species <strong>of</strong> calcareous boulder clay soils. It can be found in old pastures and in<br />
association with old trackways, railway embankments and roadside verges. The latter niche is<br />
probably <strong>the</strong> one where colonies are at greatest risk <strong>of</strong> being destroyed e.g. as a result <strong>of</strong><br />
realignment works, <strong>the</strong> installation <strong>of</strong> utilities and inappropriate management (Stewart et al.<br />
1994).
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