search for: viburnum

Displaying 1 result from an estimated 1 matches for "viburnum".

2008 Feb 08
1
Can I index a dataframe with a reference from/to a second dataframe?
...us tremuloides", "Prunus serotina", "Prunus virginiana", "Quercus rubra", "Ribes ", "Sorbus americana", "Thuja occidentalis", "Tilia americana", "Tsuga canadensis", "Ulmus americana", "Viburnum acerifolium", "Viburnum lantanoides"), class = "factor"), Cname = structure(c(7L, 27L, 30L, 2L, 3L, 6L, 31L, 33L, 1L, 8L, 10L, 15L, 11L, 21L, 4L, 14L, 20L, 17L, 18L, 23L, 25L, 24L, 29L, 26L, 12L, 16L, 13L, 5L, 9L, 28L, 32L, 22L, 19L), .Label = c("Alterna...