| Cornaceae | |
Cornus canadensis fo. albomacula
| Lepage | Naturaliste Canad. 82: 99 | 1955 |
| Cornaceae | |
Cornus canadensis fo. alpestris
| (House) Lepage | Naturaliste Canad. 77: 229 | 1950 |
| Cornaceae | |
Cornus canadensis var. alpestris
| House | New York State Mus. Bull. 254: 539 | 1924 |
| Cornaceae | |
Cornus canadensis fo. aphylla
| Lepage | Naturaliste Canad. 82: 99 | 1955 |
| Cornaceae | |
Cornus canadensis fo. bifoliata
| Lepage | Naturaliste Canad. 78: 342 | 1951 |
| Cornaceae | |
Cornus canadensis fo. canadensis
| | | |
| Cornaceae | |
Cornus canadensis subsp. canadensis
| | | |
| Cornaceae | |
Cornus canadensis fo. connatifolia
| Lepage | Naturaliste Canad. 85: 104 | 1958 |
| Cornaceae | |
Cornus canadensis fo. dutillyi
| Lepage | Naturaliste Canad. 73: 10 | 1946 |
| Cornaceae | |
Cornus canadensis var. dutillyi
| (Lepage) B. Boivin | Naturaliste Canad. 87: 30 | 1960 |
| Cornaceae | |
Cornus canadensis fo. elongata
| (Peck) House | New York State Mus. Bull. 243–244: 23 | 1921 [1923] |
| Cornaceae | |
Cornus canadensis var. elongata
| Peck | New York State Mus. Bull. 150: 44 | 1911 |
| Cornaceae | |
Cornus canadensis fo. florulenta
| Lakela | Rhodora 50: 306 | 1948 |
| Cornaceae | |
Cornus canadensis fo. foliolosa
| Lepage | Naturaliste Canad. 82: 101 | 1955 |
| Cornaceae | |
Cornus canadensis fo. infraverticillata
| Lepage | Naturaliste Canad. 73: 7 | 1946 |
| Cornaceae | |
Cornus canadensis var. intermedia
| Farr | Contr. Bot. Lab. Morris Arbor. Univ. Pennsylvania 2(3): 423–425 | 1904 |
| Cornaceae | |
Cornus canadensis fo. medeoloides
| Lepage | Naturaliste Canad. 73: 7 | 1946 |
| Cornaceae | |
Cornus canadensis fo. ornata
| Lepage | Naturaliste Canad. 82: 100 | 1955 |
| Cornaceae | |
Cornus canadensis subsp. pristina
| Gervais & Blondeau | Bull. Soc. Neuchateloise Sci. Nat. 126(1): 38–40, f. 2–3 | 2003 |
| Cornaceae | |
Cornus canadensis fo. purpurascens
| (Miyabe & Tatew.) H. Hara | Rhodora 44(517): 20 | 1942 |
| Cornaceae | |
Cornus canadensis fo. ramosa
| Lepage | Naturaliste Canad. 73: 6 | 1946 |
| Cornaceae | |
Cornus canadensis fo. rosea
| Fernald | Rhodora 43(508): 156 | 1941 |
| Cornaceae | |
Cornus canadensis fo. secunda
| Lepage | Naturaliste Canad. 78: 343 | 1951 |
| Cornaceae | |
Cornus canadensis fo. semivirescens
| J. Cay. | Naturaliste Canad. 113: 333 | 1986 |
| Cornaceae | |
Cornus canadensis fo. virescens
| Lepage | Naturaliste Canad. 77: 228 | 1950 |
| Cornaceae | |
Cornus canadensis fo. viridis
| B. Boivin | Naturaliste Canad. 87: 30 | 1960 |