[Bittercress West of the Cascade Mountains of Oregon and Washington]

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

Cardamine hirsuta var. nuttallii

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

Spring Beauty, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort: Cardamine nuttallii var. nuttallii (Synonyms: Cardamine pulcherrimia var. pulcherrima and Cardamine pulcherrima var. tenella)

Nuttall's toothwort as seen at the Beekman Botanical Garden in Jacksonville, OR................April 6, 2009.

Leaf of Spring Beauty, Nuttall's Toothwort, Oaks Toothwort, Slender Toothwort: Cardamine nuttallii var. nuttallii (Synonyms: Cardamine pulcherrimia var. pulcherrima and Cardamine pulcherrima var. tenella)

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

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