species_c {fqar}

C-value of a species in a specified database

Description

species_c() accepts a species and a database inventory and returns the c-value of that species. Either a numeric database ID from universalfqa.org or a homemade inventory with the same format may be specified.

Usage

species_c(species, database_id = NULL, database_inventory = NULL)

Arguments

species

The scientific name of the plant species of interest

database_id

ID number of an existing database on universalfqa.org. Use index_fqa_databases() to see a list of all such databases.

database_inventory

An inventory of species having the same form as one created using database_inventory(), that is, a data frame with 9 columns:

• scientific_name (character)

• family (character)

• acronym (character)

• nativity (character)

• c (numeric)

• w (numeric)

• physiognomy (character)

• duration (character)

• common_name (character)

Value

The C-value of the given species within the given database.

Examples

species_c("Anemone canadensis", database_id = 149)