Elhersiana is beautiful white bulbous variety. It can grow very large, and has a similar shape and look as Seleriana.
Stellifera is a white caulescent variety. It has the same texture as tectorum, but gets tall like Paleacea.
Funckiana is a tall caulescent variety that blooms red flowers! It has a hairy texture, but is soft not spiky!
Fuchsii v. Gracilis
Fuchsii v. Gracilis is a small compact variety known for it's long thin hairs all over.
Tectorum has very distinct look. This plant is one of the most drought tolerant. It requires high light, low humidity and infrequent watering.