Cardamine occulta: bibliography

Identification:
http://alienplantsbelgium.be/content/cardamine
https://www.researchgate.net/profile/Artem_Leostrin/publication/336141491_Current_State_and_Distribution_of_Alien_Weedy_Cardamine_occulta_Hornem_Brassicaceae_in_European_Russia/links/5d9221cf458515202b76ce2d/Current-State-and-Distribution-of-Alien-Weedy-Cardamine-occulta-Hornem-Brassicaceae-in-European-Russia.pdf
https://www.researchgate.net/publication/331552780_Cardamine_occulta_-_inconspicuous_neophyte_in_Slovakia
https://cyberleninka.ru/article/n/melkotsvetkovye-serdechniki-sektsii-pteroneuron-dc-rouy-et-fouc-cardamine-l-cruciferae-vo-flore-evropeyskoy-rossii/pdf
https://academic.oup.com/botlinnean/article-abstract/187/3/456/5039644

Other works
http://db.plantentuinmeise.be/DUMORTIERA/DUM_115/Dum_115_58-60_Cardamine_graeca.pdf
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4856903/

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Translation of the Russian key:

  1. Cauline leaves auriculate at base: 2
  • Cauline leaves not auriculate at base: 3
  1. Biennial (rarely annual) plants, usually exceeding 15–20 cm. The stem is straight. Leaflets of various shapes: from oval to pinnate, but in the upper cauline leaves are usually linear-lanceolate. The pods are up to 1.5–2 mm wide: C. impatiens
  • Annual plants, usually not exceeding 15 cm. The stem is slightly curved at nodes(?). All leaflets are 3-lobed or tripartite. Pods up to 2.5-3 mm wide: C. graeca

3 (1). The lateral leaflets of the cauline leaves are linear or linear-lanceolate, often without a pronounced petiole: C. parviflora

  • Lateral leaflets of stem leaves are usually wider, with a pronounced petiole: 4
  1. Plants without a basal rosette of leaves. Leaflets glabrous on adaxial side (rarely with single short cilia along the margine): C. occulta
  • Plants with a basal rosette of leaves. Leaflets on adaxial side with short adpressed hairs: 5
  1. Stems in the lower half are covered with sparse hairs. The pods are directed obliquely upward. Cauline leaves 4-10: C. flexuosa
  • The stems are glabrous (rarely hairy at the base). The pods are directed upward, parallel to the axis of the inflorescence. Cauline leaves 1–4: C. hirsuta

Russian version of the second link, if anyone is interested. http://www.sevin.ru/invasjour/issues/2019_2/Leostrin_19_2.pdf

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