From the AGS web site
"Eranthis ‘Orange Glow’ came from the Copenhagen Botanic Garden. There it had languished until rescued, but proved to do better here and usually comes true from seed, adding a warmer note of pale orange to a bleak month.
Patricia Dales’ E. ’Pauline’ gained a PC in 1986, and was a pale yellow clump in a garden swarm – but little has been seen of it.
Recently there have been exciting arrivals from Germany: E. ’Schwefelglanz’, reputed to be between apricot and straw colour with apricot anthers, E. ’Zitronenfalter’ a pale lemon-yellow and E. ‘Grunling’ which boasts green stripes on its yellow segments. E. ’Gothenburg’ is semi-double and produces seed. And for those who like doubles there is the, sometimes untidy, greenish-yellow E.’ Noel Ayres’ from Anglesey Abbey ( of snowdrop fame), named for a head gardener there.