Syn.: Cladorhiza maculata Raf., Corallorhiza multiflora var. sulphurea Suksd.
Family: Orchidaceae Juss.

Syn.: Corallorhiza maculata subsp. mertensiana (Bong.) Calder et R. L. Taylor, Corallorhiza purpurea L. O. Williams, Corallorhiza vancouveriana Finet, Neottia mertensiana (Bong.) Kuntze
Family: Orchidaceae Juss.

Syn.: Neottia striata (Lindl.) Kuntze
Family: Orchidaceae Juss.

Syn.: Corallorhiza innata R. Br., Corallorhiza intacta Cham., Corallorhiza verna Nutt., Cymbidium corallorhiza (L.) Sw., Epidendrum corallorhizon (L.) Poir., Helleborine corallorhiza (L.) F. W. Schmidt, Ophrys corallorhiza L., Neottia corallorhiza (L.) Kuntze
Family: Orchidaceae Juss.

Syn.: Alus mediterranea Bubani, Coris purpurea St.-Lag.
Family: Primulaceae Vent.

Syn.: Arctocrania canadensis (L.) Nakai, Chamaepericlymenum canadense (L.) Asch. et Graebn., Cornella canadensis (L.) Rydb., Cornus herbacea var. canadensis (L.) Pall., Cynoxylon canadense (L.) J. H. Schaffn., Eukrania canadensis (L.) Merr.
Family: Cornaceae Bercht. et J. Presl

Syn.: Cornus priceae Small, Cornus stricta A. Gray ex S. Watson, Swida drummondii (C. A. Mey.) Soják, Swida priceae (Small) Small, Thelycrania priceae (Small) Pojark.
Family: Cornaceae Bercht. et J. Presl

Syn.: Cornus mascula Zorn, Cornus vernalis Salisb., Macrocarpinus mas (L.) Nakai
Family: Cornaceae Bercht. et J. Presl

Syn.: Cornus stolonifera Michx., Swida stolonifera (Michx.) Rydb., Swida sericea (L. emend. Murray) Holub, Cornus alba subsp. stolonifera (Michx.) Wangerin
Family: Cornaceae Bercht. et J. Presl

Syn.: Capnoides aurea (Willd.) Kuntze, Corydalis washingtoniana Fedde, Fumaria aurea Ker Gawl., Neckeria aurea Millsp.
Family: Fumariaceae DC.; Papaveraceae Juss.

Syn.: Bulbocapnos cavus Bernh., Capnites cava (L.) Dumort., Corydalis tuberosa DC., Fumaria bulbosa var. cava L., Fumaria cava (L.) Mill., Pistolochia cava (L.) Bernh.
Family: Fumariaceae DC.; Papaveraceae Juss.

Syn.: Capnoides flabellata Kuntze
Family: Fumariaceae DC.; Papaveraceae Juss.

Syn.: Capnoides sempervirens Borkh., Corydalis glauca Pursh, Neckeria sempervirens Neck.
Family: Fumariaceae DC.; Papaveraceae Juss.

Syn.: Lophoschoenus hornei (C. B. Clarke) Stapf, Schoenus hornei C. B. Clarke, Tetraria hornei (C. B. Clarke) T. Koyama
Family: Cyperaceae Juss.

Syn.: Crambe litwinowii K. Gross
Family: Brassicaceae Burnett