[Bittercress and Toothworts: The Genus Cardamine West of the Cascade Mountains of Oregon and Washington]

Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty

Cardamine nuttallii

Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella

Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella) - Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella)

Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella) - Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella)

Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella)

Nuttall's toothwort as seen at a serpentine talus slope along Forest Road 4201 several miles uphill to the west of the Days Gulch Botanical Area, Josephine County, OR.....April 21, 2021.

Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella)

Nuttall's toothwort blooming at Camassia Nature Preserve, West Linn, OR.......March 29, 2018.

Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella) - Leaf of Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella)

The inflorescence, upper stem leaves and basal leaves of Nuttall's toothwort as seen at the Beekman Botanical Garden in Jacksonville, OR.........April 6, 2009.

Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella) - Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella) - Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella)

Nuttall's toothwort as seen at a serpentine talus slope along Forest Road 4201 several miles uphill to the west of the Days Gulch Botanical Area, Josephine County, OR.....April 6, 2022.

Rhizome leaf of Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella) - Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella) - Stem leaf of Beautiful Bittercress, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort, Spring Beauty: Cardamine nuttallii (Synonyms: Cardamine californica var. gemmata, Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrimia var. pulcherrima, Cardamine pulcherrima var. tenella, Cardamine quercetorum, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella)

Additional photos of Nuttall's toothwort as seen along the Springwater Trail between Rugg Road (about one and one-half miles east of Gresham, OR) and Boring, OR..........April 18, 2011. This form was previously known as slender toothwort (Cardamine pulcherrima var. tenella) as evidenced by the simple leaf blade from the rhizome (photo at left) which either has entire margins or is slightly lobed.
Paul Slichter