Some abbreviations you will need to know

AB - arilbred

AR - aril

BB - border bearded

E - early bloom season

EE - extra early bloom season

F - falls (sepals)

IB - intermediate bearded

JA - japanese iris

L - late bloom season

LA - louisiana iris

M - midseason bloom

MDB - miniature dwarf bearded iris

MTB - miniature tall bearded iris

OG - oncoregelia

OGB - oncocyclusOnc - oncocyclus

PCI - pacific coast iris

Plic - plicata

RB - regelia-bred

RC - regeliocyclus

RE - Rebloomer

S - standards (petals)

SDB - standard dwarf bearded iris

Sdlg. - seedling

slb - sibling

SIB - siberian iris

SPEC - species

SPEC-X - species hybrid

SPU - spuria iris

TB - tall bearded iris

VE - very early bloom season

VL - very late bloom season

Types of Iris