1	"Plants glabrous; spathe bracts green to brown forming involucre 5–9 mm wide; seeds ovoid, black, to 2.5 mm long."	"Patersonia fragilis"
1	"Plants more or less hairy (particularly on margins of leaves near base and on stem); spathe bracts brown to black forming involucre mostly more than 9 mm wide; seeds ovoid-cylindrical to cylindrical, brown, sometimes with a waxy bloom, mostly more than 2.5 cm long."	2
2	"Leaves cauline on erect slender stems; scapes glabrous; spathe bracts dark brown with translucent margins 2–3 mm wide; seeds arillate."	"Patersonia glabrata"
2	"Leaves all basal; scapes pubescent, at least in upper part; spathe bracts dark brown to blackish with scarious margins 1–2 mm wide; seeds without an aril."	3
3	"Leaves 1.5–6 mm wide, deeply grooved, margins if hairy then not ciliate with inflexed hairs."	"Patersonia sericea"
3	"Leaves 1–2 mm wide, mostly smooth, ciliate with inflexed hairs"	"Patersonia longifolia"