taxize (version 0.2.2)

itis_downstream: Retrieve all taxa names or TSNs downstream in hierarchy from given TSN.

Description

Retrieve all taxa names or TSNs downstream in hierarchy from given TSN.

Usage

itis_downstream(tsns, downto, verbose = TRUE)

Arguments

tsns

A taxonomic serial number.

downto

The taxonomic level you want to go down to. See examples below. The taxonomic level IS case sensitive, and you do have to spell it correctly. See data(rank_ref) for spelling.

verbose

logical; If TRUE (default), informative messages printed.

Value

• Data.frame of taxonomic information downstream to family from e.g., Order, Class, etc.

Examples

itis_downstream(tsns=846509, downto="Genus")

# getting families downstream from Acridoidea
itis_downstream(tsns = 650497, "Family")

# getting species downstream from Ursus
itis_downstream(tsns = 180541, "Species")