Asplenium er ættkvísl um 700 burknategunda í Aspleniaceae ættinni og er af flestum grasafræðingum talin eina ættkvísl ættarinnar. Þetta er breytileg ættkvísl með nokkrum undirflokkum, sem stundum eru flokkaðar sem sér ættkvíslir.
I don't remember how old I was when I saw fox and cubs in flower for the first time, but I remember the awe I was in seeing those fiery orange flowers. It is naturalized in Iceland and grows in a few places in and around my home town. I've found a place for it in all my gardens, although it's not really a garden plant. It spreads with overground runners and can form large drifts with time. However, I've never had problems keeping it in check. It has recently been moved to the genus Pilosella and the Latin name is Pilosella aurantiaca.