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Botanical nameCommon NameGuernsey NameEarliest reference see belowFamilyNotesGASHUK rarity valueGosselin HerbariumKent NoWorking Herbarium no. of specimens
2
Acaena novae-zelandiaePirri-pirri-bur Poterium1 site, Vale, 2000r---75.18.11
3
Acanthus mollisBear's-breechAcanthaceaeCan persist as a garden outcasto---127.1.13
4
Acanthus spinosusSpiny Bear's-breechAcanthaceae1975, La Garenne d'Anneville----127.1.22
5
Acer campestreField MapleBabingtonSapindaceaeCan self-seedppp-
6
Acer platanoidesNorway MapleSapindaceaeSelf-seedspppp
7
Acer pseudoplatanusSycamoreGosselin D2SapindaceaeSeeds itself everywhere possible even Vazon beach under sea wall!ccco99.1.44
8
Acer pseudoplatanus f. purpureaPurple SycamoreSapindaceaeWorking Herbarium, Pine forest99.1.41
9
Achillea millefoliumYarrowGosselin D1AsteraceaeWidespreadcccf42135.53.32
10
Aconitum lycoctonum ssp. vulpariaWolf's-baneRanunculaceae1 record in a garden, not planted, 1992 - now gone----28.6.21
11
Acorus calamusSweet-flagPlantedAcoracaceaeOne site only ( location hidden )r---
12
Adiantum capillus-venerisMaidenhair FernPteridaceaeA few sites in St. Peter Port and the Câtelop--7.3.13
13
Adonis annuaPheasant's-eyeRanunculaceaeA few old records----
14
Aegopodium podagrariaGround-elderGosselin D1ApiaceaePetit Bôt; Le Varclin; Sausmarez Manor, Saumarez Park, HH 2019, now naturalised in Brother's Cemetery, a nuisance.o-rr23107.14.12
15
Aesculus hippocastanumHorse-chestnutSapindaceaeSeedlings sometimes reportedpppp
16
Aesculus indicaIndian Horse-chestnutSapindaceaeSaumarez Park, seedlings occurpppp
17
Aethusa cynapiumFool's ParsleyGosselin D1ApiaceaeRoadside and garden weedorf-107.20.19
18
Agapanthus praecoxAfrican LilyAmaryllidaceaeGarden escape, can persistoro-
19
Agave americanaCenturyplantAsparagaceaeFort Saumarez; Herm. Spreads vegetativelypp-r160.2.11
20
Agrimonia eupatoriaAgrimonyGosselin D1RosaceaeNo recent Guernsey records---r75.15.14
21
Agrimonia proceraFragrant AgrimonyRosaceaeNot seen recently ( location hidden )r--r75.15.24
22
Agrostemma githagoCorncockleGosselin D1CarophyllaceaeLast record 1934 as a weed, now sown in wildflower mixesp-r-946.19.11
23
Agrostis caninaVelvet BentPoaceaeDamp short turfor--153.39.73
24
Agrostis capillarisCommon BentBabingtonPoaceaeIsland widecccc153.39.12
25
Agrostis castellanaHighland BentPoaceaeSark 1995 only--r-153.39.31
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Agrostis giganteaBlack BentPoaceaeWasteground and a garden weedor-r153.39.23
27
Agrostis stoloniferaCreeping BentGosselin D2PoaceaeDamp areas, meadows and hedgebankscccc60153.39.412
28
Aira caryophylleaSilver Hair-grassGosselin D2PoaceaeWaste places, wall topsfcfc60153.35.13
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Aira praecoxEarly Hair-grassGosselin D2PoaceaeMainly coastal, bare areas occc60153.35.22
30
Ajuga reptansBugleGosselin D1LamiaceaeWet meadows, wet patches on cliffsrrr-37118.12.13
31
Alchemilla mollisSoft Lady's-mantle2021RosaceaeLe Foulon Cemetery, Garden escape?r---
32
Alisma plantago-aquaticaWater-plantainVazon PeatAlismataceaeIn ponds and douits, Grande Mare footpathr---137.4.12
33
Alliaria petiolataGarlic MustardGosselin D1BrassicaceaeSmall patches here and thereooo-762.3.13
34
Allium ampeloprasumWild LeekBabingtonAmaryllidaceaeMainly coastal, also hedgebanksfrroR158.24.133
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Allium neapolitanumNeapolitan GarlicAmaryllidaceaeAn escape from cultivation on hedgebanksorro158.24.45
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Allium roseumRosy GarlicAmaryllidaceaeMainly west coast, spreading inlando--r158.24.34
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Allium schoenoprasumChivesAmaryllidaceaeOne site only ( location hidden )r---RR
38
Allium subhirsutumHairy GarlicAmaryllidaceaeOne site only ( location hidden )rr-o158.24.53
39
Allium triquetrumThree-cornered Garlic or Stinking Onions1847 ( Salwey )AmaryllidaceaeIsland wide, invasive everywhereccco158.24.72
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Allium tuberosumChinese or Garlic ChivesAmaryllidaceaeOne site only ( location hidden )r---158.24.01
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Allium ursinumRamsonsAmaryllidaceaeOne site only ( location hidden )r---
42
Allium vinealeWild OnionBabingtonAmaryllidaceaeorr-158.24.162
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Alnus glutinosaAlderVazon PeatBetulaceaeorrr40.2.11
44
Alopecurus bulbosusBulbous FoxtailPoaceaeOne site only ( location hidden )r---RR153.47.35
45
Alopecurus geniculatusMarsh FoxtailGosselin D2Poaceaeorr-62153.47.25
46
Alopecurus myosuroidesBlack-grassPoaceaeTwo sites only ( location hidden )r---153.47.62
47
Alopecurus pratensisMeadow FoxtailPoaceaeoror153.47.13
48
Althaea officinalisMarsh-mallowGosselin D2MalvaceaeTwo sites only ( location hidden )r---53.3.11
49
Amaranthus albusWhite PigweedAmaranthaceae----
50
Amaranthus blitumGuernsey PigweedAmaranthaceaePlants turn up here and there, do not persist, 2020 St Saviours bottom of granite path below church, 2021 Braye Vinery Meadowr---44.1.05
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Amaranthus deflexusPerennial PigweedAmaranthaceaeTwo sites only ( location hidden )r---44.1.56
52
Amaranthus hybridusGreen AmaranthAmaranthaceaeArable fieldso---44.1.25
53
Amaranthus hypochondriacus Prince's-featherAmaranthaceaeCompost heap in Herm---r45.2.11
54
Amaranthus retroflexusCommon AmaranthAmaranthaceaePlants turn up here and there, do not persist. 2020 Fort Richmond headlandrr--44.1.19
55
Amaryllis belladonnaJersey LilyAmaryllidaceaePulias; Jerbourg; Saints; Cobo; Jethouo-r-
56
Ambrosia artemisiifoliaRagweedAsteraceaeWorking Herbarium, bird seed alien135.74.14
57
Ammi majusBullwortApiaceaeWorking Herbarium, 1987, Bird seed alien107.32.16
58
Ammophila arenariaMarramBabingtonPoaceaeSand dunesfc-f153.41.12
59
Anacamptis laxifloraLoose-flowered OrchidGosselin D2OrchidaceaeWet meadows, 2 plants, top of Bordeaux tip, April 2020, Single specimen of white form found in La Gele fields, 11th May 2020.o---RRR162.20.13
60
Anacamptis morioGreen-winged OrchidOrchidaceaeGone from Pleinmont, 21 recorded Longis Common Alderney April 2020, one refound at Pleinmont May 2022.rr--162.20.33
61
Anacamptis pyramidalisPyramidal OrchidOrchidaceaePort Soif; Vazon; Fort Hommet; L'Ancresse. Increasingof-r162.14.12
62
Anchusa officinalisAlkanetBoraginaceae2 past records: 1951, 1976----
63
Anemone appeninaBlue AnemoneRanunculaceae1 record, 1971----28.9.21
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Anemone nemorosaWood AnemoneRanunculaceaeOccasionally naturalizesr---28.9.11
65
Angelica pachycarpaPortuguese AngelicaApiaceaeGarden escape in St. Peter's since 1993r---107.37.01
66
Angelica sylvestrisWild AngelicaGosselin D2ApiaceaeNot recorded since Gosselin, found in July 2021, one plantr---
67
Anisantha diandraGreat BromePoaceaeIsland wide, increasingcc--153.52.17
68
Anisantha madritensisCompact BromePoaceaeEspecially the L'Eree area, decreasingoro-153.52.58
69
Anisantha rigidaRipgut BromePoaceae1 record, Pembroke 1986 ----153.52.21
70
Anisantha sterilis ( Bromus sterilis )Barren BromeGosselin D2PoaceaeHedgebanks and wastelandccrf58153.52.33
71
Anisantha tectorumDrooping BromePoaceae1979 and 1990 onlyr---153.52.41
72
Anogramma leptophyllaJersey FernPteridaceaeTwo sites only ( location hidden )r---RRR7.2.1 4
73
Anredera cordifoliaMadeira-vineBasellaceaeFound 1982, persisted a few years only----45/46.0.01
74
Anthemis arvensisCorn ChamomileBabingtonAsteraceaePre-1901; then 1995 and 2005 - probably in arable flower mixesr---R135.55.22
75
Anthemis cotulaStinking ChamomileGosselin D1Asteraceae3 records: 1969, 1992 and 2009r-o-41 missing 2015, scrapbook spec only135.55.34
76
Anthoxanthum aristatum Annual Vernal-grassPoaceaeWorking Herbarium, Grand Havre, 1897153.37.21
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Anthoxanthum odoratumSweet Vernal-grassGosselin D2PoaceaeHedgebanks, meadows and pasturescccc62153.37.14
78
Anthriscus caucalisBur ChervilGosselin D2ApiaceaePathsides and coastal turf : Icart; Fort Hommet; L'Ancresse especiallyor-c22107.6.24
79
Anthriscus cerfoliumGarden ChervilApiaceaeWorking Herbarium, 1987, Les Buttes107.6.01
80
Anthriscus sylvestrisCow ParsleyApiaceaeLes Fontenelles; Belvedere field - garden escapesrf--107.6.13
81
Anthyllis vulnerariaKidney VetchBabingtonFabaceaeOne site only ( location hidden )rcr-77.7.12
82
Antirrhinum majusSnapdragonBabingtonVeronicaceaeWalls, especially in Townorrp124.7.12
83
Apera spica-ventiLoose Silky-bentPoaceaeSeveral records, last in 1985----R153.44.12
84
Aphanes arvensisParsley-piertBabingtonRosaceaeKings Mills 1970-1971-r--75.20.12
85
Aphanes australis ( Aphanes inexpecta )Slender Parsley-piertRosaceaeOften on paths, and bare groundfccc75.20.22
86
Apium graveolensWild CeleryGosselin D2ApiaceaeGrandes Rocques by douit; Moulin Huet and Petit Port at base of cliff streams, 2020, in the douit, under the bridge at Grandes Rocques, Pulias pond 2021rr--23107.28.12
87
Aptenia cordifoliaHeart-leaf IceplantAizoaceaeEscapes from gardens, but can naturalizeor--42.1.1.3
88
Aquilegia vulgarisColumbineRanunculaceaeGarden escapesr-rr28.16.11
89
Arabidopsis thalianaThale CressGosselin D1BrassicaceaeBanks and bareish soilfrcf762.4.14
90
Arabis caucasicaGarden ArabisBrassicaceaeCan self-sow; also Brecqhou 1957r-r-
91
Arabis hirsutaHairy Rock-cressGosselin D2BrassicaceaeShort turf of commonsrf--662.15.63
92
Arctium minus ssp. minusLesser BurdockGosselin D1AsteraceaeWasteland ( only taxon in Channel Islands )fofo43135.3.25
93
Arctium minus ssp. pubensa BurdockAsteraceae1951 and 1958 only----135.3.2a1
94
Arenaria balearicaMossy SandwortCarophyllaceaeSark only--r-
95
Arenaria leptocladosSlender SandwortGosselin D2CarophyllaceaeUnder-recorded-o--46.1.11
96
Arenaria montanaLarge-flowered SandwortCarophyllaceaeOne site only ( location hidden )r---46.1.51
97
Arenaria serpyllifoliaThyme-leaved SandwortBabingtonCarophyllaceaeShort coastal turfococ1146.1.15
98
Aristolochia clematitisBirthwortArisotochiaceaeGarden escape, 1 site at Bordeaux since 1992 - now gone----25.2.12
99
Armeria maritima ssp. maritimaThrift or Sea PinkVazon PeatPlumbaginaceaeAll around the coastcccc2648.2.13
100
Armoracia rusticanaHorse-radishBrassicaceaePersisting from cultivation: mostly sandy coastal sites; also Reservoiroo--62.13.13