Mitella diphylla 4 Macedonia State Park, Connecticut 900606 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Mitella ovalis 3 Copenhagen Bot Garden 080513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Mitella diphylla 1 Housatonic State Forest, Connecticut 900606 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Mitella diphylla 2 Housatonic State Forest, Connecticut 900606 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Mitella diphylla 3 Macedonia State Park, Connecticut 900606 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Mitella nuda 1 Bergianska, Stockholm 020521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Mitella nuda 2 Bergianska, Stockholm 020521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Mitella ovalis 1 Copenhagen Bot Garden 080513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Mitella ovalis 2 Copenhagen Bot Garden 080513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Mitella ovalis 4 Copenhagen Bot Garden 080513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).