Table 3.

Summary of number of lignin biosynthesis genes in each gene family across the 15 species studied.

Species	CAD	CCoAMT	4CL	CCR	PAL	C4H	HCT	COMT	C3H	F5H	Total
O. tauri	3	1	0	0	0	0	0	0	0	0	4
O. RCC809	2	1	0	0	0	0	0	0	0	0	3
O. lucimarinus	3	1	0	0	0	0	0	0	0	0	4
Phaeodactylum	1	1	1	2	0	0	0	0	0	0	5
Thalassiosira	0	0	1	0	0	0	0	0	0	0	1
Chlamydomonas	4	2	0	4	0	0	0	0	0	0	10
Laccaria bicolor	2	1	5	0	2	0	0	0	0	0	10
Volvox	3	2	0	1	1	0	0	0	0	0	7
Physcomitrella	4	2	11	7	14	4	4	3	1	0	50
Spike moss	18	8	26	29	2	2	6	28	2	0	121
Arabidopsis	9	7	13	7	4	1	1	16	3	2	63
Medicago	21	4	10	18	4	1	6	26	1	3	93
Sorghum	14	7	15	44	8	3	4	41	2	3	141
Rice	5	11	16	55	14	4	9	38	1	3	157
Poplar	21	7	22	40	6	3	7	35	4	4	149
Total	110	55	120	207	55	18	37	187	14	15	818