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

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Rubus percrispus D. Allen & R.D. Randall a bramble National Status: Endemic, Data Deficient County Status: Rare (1 site, 1 tetrad) Site Grid Reference Last Record Waresley Wood SSSI TL261544 2009 (DB) This species shows a strong association with Greensand geology, a trace of which penetrates the southern tip of the county. It may await discovery in a few other nearby ancient woods but given the known habitat preferences of this species it is unlikely to prove to be particularly common. Rumex pulcher L. Fiddle Dock National Status: Not scarce, not threatened County Status: Scarce (4 sites, 4 tetrads) Site Grid Reference Last Record Elton, Middle Street TL089937 2010 (DB) Hemingford Meadow TL3070 2008 (LF) Hinchingbrooke Country Park TL22537120 2009 (DB) St Neots Common SSSI TL183610 1999 (RE) A species of old pastures, a rare habitat in Huntingdonshire. It may have declined further since the data was collected for the County Flora (Wells, 2003). Salix repens L. Creeping Willow National Status: Not scarce, not threatened County Status: Rare (1 site, 1 tetrad) Site Grid Reference Last Record Woodwalton Fen SSSI & SAC TL228851 2010 (MM) A locally uncommon and probably declining species of more the acid fen peats. It has also been recorded from Holme Fen but there are no recent records. Salvia verbenaca L. Wild Clary National Status: Not scarce, not threatened County Status: Rare (3 sites, 3 tetrads) Site Grid Reference Last Record Hartford TL25217244 2009 (NM) Holywell: Holywell Front By church gate 72 TL34047060 TL33677078 2011 (DB) 2011 (DB) Stibbington, road to Wansford Station TL09039818 2010 (DB)
An uncommon and often short-lived species of roadsides, gravel pits and railway embankments. The colony in Hartford is thriving on the mown verge outside No. 6 Main Street (recently demolished). It is doing well under a similar regime at Holywell. Saxifraga granulata L. Meadow Saxifrage National Status: Not scarce, not threatened County Status: Scarce (4 sites, 4 tetrads) Site Grid Reference Last Record Paxton Pits ? 2005 (JG) Portholme SSSI TL235709 2001 (SS) St Neots Common SSSI TL184611 2004 (RM) Woodston, Nene Valley Railway (CP) TL174977 2009 (DB) In addition to the above, there are additional populations at Ramsey Heights (TL248848) and Monks Wood Experimental Station (TL201796) that have established as a result of the sowing of wildflower seed. In the case of the former this involved seed purchased from a commercial grower while the latter involved ‘local’ seed. Scandix pecten-veneris L. Shepherd’s-needle National Status: Critically Endangered, BAP County Status: Rare (3 sites, 3 tetrads) Site Grid Reference Last Record Abbotsley TL232561 2001 (PN) Great Gransden TL282564 1999 (BS) Monks Hardewick Farm, near TL218616 1997 (TW & SW) Once abundant in eastern Britain, by the mid-1980’s it was very rare. It is susceptible to many broad-spectrum agricultural herbicides. There are signs that it may have started to increase again over recent years (Wilson & King, 2003), although it is possibly too soon to know this for certain and it is still a rarity in Huntingdonshire. Senecio paludosus L. Fen Ragwort National Status: Nationally Rare, Critically Endangered, BAP, Schedule 8 County Status: Rare (1 site, 1 tetrad) Site Grid Reference Last Record Woodwalton Fen SSSI & SAC TL233849 2010 (MM) Although once widespread in the fens of East Anglia, Senecio paludosus is currently known as a native from one summer-dry ditch in arable land near Ely, Cambridgeshire (VC29). The plant was discovered there in 1972 and is thought to have arisen from long-dormant seed. It is a very long-lived perennial. Mature plants do not need a high summer water table, but prefer areas that have a high winter water table or are periodically flooded. Young plants require open areas in which to develop, but mature plants can compete successfully with tall vegetation. In mainland Europe, S. paludosus is not a ditch plant and instead grows on the 73
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Rare Plant Register for Huntingdons
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justification, however understandab
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The current accounts of charophyte
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8. The Species Accounts The species
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Orton Longueville Wood (CP) TL16079
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Conington Airfield TL178870 2005 (W
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Salome Wood TL12677788 2009 (DB & L
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Calluna vulgaris (L.) Hull Heather
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Carex divulsa Stokes ssp. divulsa G
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Carex panicea L. Carnation Sedge Na
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Carex viridula Michaux ssp. brachyr
Page 24 and 25: Centaurium pulchellum (SW.) Druce L
Page 26 and 27: Norman Cross Pits: East Pit Middle
Page 28 and 29: Cruciata laevipes Opiz. Crosswort N
Page 30 and 31: Dactylorhiza incarnata ssp. incarna
Page 32 and 33: e determined whether or not a self-
Page 34 and 35: A rare but locally abundant species
Page 36 and 37: Easton, Lodge Farm TL136696 2005 (B
Page 38 and 39: Frangula alnus Mill. Alder Buckthor
Page 40 and 41: Galium uliginosum L. Fen Bedstraw N
Page 42 and 43: Gymnocarpium dryopteris (L.) Newman
Page 44 and 45: This is a free-floating species tha
Page 46 and 47: Isolepis setacea (L.) R.Br. Bristle
Page 48 and 49: This species probably persists at a
Page 50 and 51: subspecies were not distinguished b
Page 52 and 53: Lythrum portula at Monks Wood SSSI
Page 54 and 55: Primula x digenea and Primula elati
Page 56 and 57: Lythrum portula (L.) D.A. Webb Wate
Page 58 and 59: Myosotis ramosissima Rochel Changin
Page 60 and 61: Nymphoides peltata Kuntze Fringed W
Page 62 and 63: Oenanthe silaifolia M. Bieb. Narrow
Page 64 and 65: Compartment 47 Compartment 39 62 TL
Page 66 and 67: Monks Wood, field south of TL194793
Page 68 and 69: occur on the VC31 side of the River
Page 70 and 71: natural woodlands. Where this speci
Page 72 and 73: Ranunculus sardous Crantz Hairy But
Page 76 and 77: margins of rivers and lakes in mixe
Page 78 and 79: established well and has thrived. T
Page 80 and 81: Stellaria palustris Retz. Marsh Sti
Page 82 and 83: Torilis arvensis (Huds.) Link Sprea
Page 84 and 85: Utricularia vulgaris L. Greater Bla
Page 86 and 87: Veronica scutellata L. Marsh Speedw
Page 88 and 89: This species has always been rare i
Page 90 and 91: Appendix 1 Extinctions Many of the
Page 92 and 93: Wahlenbergia hederacea Ivy-leaved B
Page 94 and 95: Appendix 3 Additional Species Not Y
Page 96: Little Catworth, 9 Little Paxton, 3
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