Syllogeus

The rare vascular plants of Nova Scotia

1978 Argus, George W. | White, David J. | Maher, Robert V. | Keddy, Paul A. |

The rare vascular plants of Alberta

1978 Argus, George W. | White, David J. |

The rare vascular plants of Ontario

1977 Argus, George W. | White, David J. |

The rare vascular plants Saskatchewan

1979 Maher, Robert V. | Argus, George W. | Harms, Vernon L. | Hudson, John H. |

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