Table 1. A synthetic table of floristic composition of forest vegetation in Yokjido Island, Korea. Roman numerals and Arabic numerals indicate constancy and dominance classes, respectively. Abbreviations of the major tree species are given in parentheses. Asterisks refer to major dominant trees. Companion species with a frequency of 25% or less occurrence were not shown.

I. Rosa multiflora-Alnus firma community						II. Trachelospermum asiaticum var. intermedium community
I-A. Clematis apiifolia-Celtis sinensis subcommunity						II-A. Smilax china-Pinus thunbergii subcommunity
I-A-1. Artemisia montana-Platycarya strobilacea variant						II-A-1. Carpinus coreana-Platycarya strobilacea variant
I-A-2. Typical variant						II-A-1-a. Melica onoei-Quercus variabilis subvariant
I-B. Typical subcommunity						II-A-1-b. Milletia japonica subvariant
I-B-1. Phyllostachys bambusoides variant						II-A-2. Eurya japonica-Castanopsis sieboldii subvariant
I-B-2. Rubus oldhamii-Lindera erythrocarpa variant						II-B. Ficus erecta subcommunity
Vegetation units	Community	I								II								Frequency (%)	Dormancy form
	Subcommunity	A				B				A						B
	Variant	1		2		1		2		1				2
	Subvariant									a		b
Vegetation type codes		VT1		VT2		VT3		VT4		VT5		VT6		VT7		VT8
Number of physiognomic vegetation		5		7		1		12		2		4		5		3
Number of relevés		9		16		2		39		5		23		32		8
Differential species of community (I)
Rosa multiflora		V	+-2	IV	+-3			III	+-2			I	+-1	R	2			36	N
Mallotus japonicus (MAJA)		V	+-5	III	+-4	1	+	III	1-5			II	+-1	I	+-1	I	1-2	34	MM
Alnus firma (ALFI)		III	1	IV*	1-5			III*	1-5					I	1-2			28	MM
Rubus hirsutus		I	+	III	+-5			III	r-4			I	+-3	I	+-1			27	N
Arisaema heterophyllum		III	r-+	I	+			III	r-+			II	r-+			I	+	21	G
Differential species of subcommunity (I-A)
Clematis apiifolia		IV	+-2	III	+-1			I	+-1					I	+			22	N
Celtis sinensis (CESI)		IV	+-4	III	+-3			I	+-1	II	+	I	+	R	1			18	MM
Corydalis speciosa		III	+-2	III	+-2			I	+-1			R	+			I	+	17	Th(w)
Differential species of variant (I-A-1)
Artemisia montana		IV	+-1	I	2			I	+-1	II	+							10	Ch
Differential species of variant (I-B-1)
Phyllostachys bambusoides (PHBA)						2*	5	I	5									2	MM
Differential species of variant (I-B-2)
Phryma leptostachya var. asiatica		II	+-1	II	+-1			IV	+-1			I	+-1	I	r-+			28	G
Lindera erythrocarpa (LIER)				I	+			IV	+-5			I	+-1	I	+-1			27	N
Pourthiaea villosa		I	+					IV	+-3	I	+	III	+-1	I	+-1			27	M
Rubus oldhamii				I	+-2			IV	+-5			I	+-3	R	+			24	N
Gynostemma pentaphyllum				II	+-1			III	+-1			R	+	I	r-+			21	H
Persicaria filiforme		I	+	I	+			III	+-2					R	+			18	G
Differential species of community (II)
Trachelospermum asiaticum var. intermedium		II	+-1	I	+-1			I	+-1	V	+-3	V	+-3	IV	+-2	III	+-1	50	M
Differential species of subcommunity (II-A)
Pinus thunbergii (PITH)		I	1	I	+-5			II*	1-5	V*	1-5	V*	1-5	IV*	1-5	I	1	51	MM
Prunus serrulata var. pubescens (PSVP)		II	+	I	+-2			II	+-4	III	1	V	+-4	III	+-2			42	MM
Smilax china		II	+-1	I	+			II	+-1	IV	+-1	IV	+-2	III	+-1			37	N
Differential species of variant (I-A-1,II-A-1)
Platycarya strobilacea (PLST)		IV*	+-4					II	+-5	IV	+-1	IV	+-5	I	1	I	1	34	MM
Scutellaria pekinensis var. transitra		I	+					II	+	V	+	IV	r-1			I	+	25	H
Aralia elata								II	+-1	IV	+-1	III	+-2	R	+	I	+	19	M
Carpinus coreana (CACO)		I	+					I	+-3	V	+-5	III	+-5					17	M
Miscanthus sinensis var. purpurascens		III	1	I	+-1			I	+-4	IV	+-3	III	+-3					16	H
Calamagrostis arundinacea		II	+-4	I	+			I	r-+	II	3	III	+-3					15	G
Lespedeza × maritima		II	1					I	+	IV	+-1	III	+-1	R	+			13	N
Differential species of subvariant (II-A-1-a)
Rubus parvifolius		V	+-2	I	+-2			II	+-2	V	+-1	I	+-1					25	N
Oplismenus undulatifolius						1	+	II	+-1	V	1-2	II	+	I	+-1			18	H
Ligustrum obtusifolium		III	+-2	I	+-1			I	+-1	IV	+-1	R	+	R	+	I	+	13	M
Melica onoei								I	+-1	IV	1-4	R	2	R	+			9	H
Rhus sylvestris								I	+	III	+-1	I	+-2	I	+			7	M
Quercus variabilis (QUVA)								R	4	V*	1-5	I	r-+	I	1			7	MM
Carex humilis var. nana								R	1	IV	1	R	+					4	HH
Dioscorea batatas		I	+							IV	r-+							3	G
Differential species of subvariant (II-A-1-b)
Milletia japonica		II	+-1	I	+			II	r-+	I	+-5	IV	+-2	I	r-+	I	+	39	M
Differential species of variant (II-A-2)
Eurya japonica (EUJA)		I	1	I	1-2			I	+-1			II	1-2	IV	+-5	I	1	30	N
Fatsia japonica				II	1-4			I	+-1			I	r-1	III	+-5	II	+-3	25	N
Ardisia japonica				I	+			R	r			II	r-4	III	+-3			17	Ch
Castanopsis sieboldii (CASI)												R	2	IV*	1-5	I	3	14	MM
Differential species of subcommunity (II-B)
Ficus erecta (FIER)		III	+-1	III	+-3			I	+-1	I	r	I	+-1	I	+-1	V	+-4	24	M
Machilus thunbergii (MATH)		II	r-+	II	r-1			I	r-+			I	+	I	r-1	III	2-5	13	MM
Litsea japonica (LIJA)				I	+-2							I	r-1	II	+-1	III	+-1	12	N
High constancy species:
Neolitsea sericea (NESE)		IV	+-2	III	+-1	1	1	V	+-4	III	r-+	IV	+-5	V	+-4	IV*	3-5	74	MM
Hedera rhombea		III	+-4	V	+-4			IV	+-5	II	1	IV	+-4	III	+-2	V	+-4	64	MM
Arisaema ringens		IV	r-1	II	+-2	2	+-1	V	r-4	II	1	III	r-1	III	+-1	V	+-2	63	G
Companions:
Akebia quinata		IV	+-3	IV	+-3			IV	+-5	IV	+	III	+-2	I	+-1	II	1-2	50
Lonicera japonica		IV	r-2	III	+-1			III	+-3	V	+-2	III	r-+	I	+			41	M
Elaeagnus macrophylla		II	+	II	+-1			II	r-1	IV	+	III	+-1	II	r-+	II	+	36	M
Ligustrum japonicum		I	+	II	+-3	1	+	II	+-3			III	+-3	III	+-4	II	+-1	33	M
Parthenocissus tricuspidata		I	1	II	r-+			II	+-1	III	+	III	+-1	I	+-1	I	+	31	M
Styrax japonicus (STJA)		I	+	I	+-1			III	+-5			II	+-2	II	+-2	II	1-2	29	MM
Callicarpa japonica		III	+-2	I	+			III	+-3	III	+-1	III	+-2	R	+			29	M