Table 2. Novel ecotypes of Methylophilaceae with details of isolation and phenotypic comparisons to previously described ecotypes.

Ecotype	Number of isolates	Enrichment condition (number of isolates)	Colony type	Growth on methanol	Growth on methanol + La3+	Growth on methylamine
Methylophilus methylotrophus Brown	19	2 (16), 1 (3)	Transparent turning dark brown with age	+	+	-
Methylophilus methylotrophus White	15	3 (13), 4 (2)	White opaque, hard	+	+	+
Methylophilaceae 11	12	2 (10), 1 (2)	Transparent	+	+	-
Methylophilaceae 7	6	3 (2), 4 (2), 1 (2)	Transparent	+	+	+
Methylotenera mobilis 13	1	2	Transparent	+	+	-
Methylotenera mobilis JLW8	0	Methylamine*	Cream to light brown1	Very weak	+	+
Methylotenera versatilis 301	0	Methylamine#	White viscous2	-	+	+
Methylovorus glucosotrophus SIP3-4	0	Methanol#	Caramel2	+	+	+

*Data from [7];

^#data from [35].