Variables
RecYear
Label:
Definition: Year of sample
Type: Physical quantity
Unit: Year (YYYY)
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values: None specified
code
Label: code
Definition: A unique numeric value assigned to each of the species in the data set.
Type: Physical quantity
Unit: number
Maximum: Not specified
Minimum: Not specified
Precision: Not specified
Missing values: None specified
gen
Label: gen
Definition: A short code of the plant genus name.
Type: Nominal
Missing values: None specified
spec
Label: spec
Definition: A short code of the plant species name.
Type: Nominal
Missing values: None specified
genus
Label: genus
Definition: The genus as published in USDA PLANTS database.
Type: Nominal
Missing values: None specified
species
Label: species
Definition: Specific epithet.
Type: Nominal
Missing values: None specified
family
Label: family
Definition: Plant species family name.
Type: Nominal
Missing values: None specified
growthform
Label: growthform
Definition: Plant growth form.
Type: Code list
Codes: a = annual
b = biennial
p = perennial
Missing values: None specified
lifeform
Label: lifeform
Definition: Species life span.
Type: Code list
Codes: f = forb
g = grass
m = non-grass monocot
o = other
s = sedge
w = woody
Missing values: None specified
origin
Label: origin
Definition: Native or non-native species.
Type: Code list
Codes: i = non-native
n = native
Missing values: None specified
photo
Label: photo
Definition: Photosynthetic pathway.
Type: Code list
Codes: c3 = c3 photosynthesis
c4 = c4 photosynthesis
CAM = Crassulacean acid metabolism photosynthesis
. = unknow
Missing values: None specified