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Descriptor in English: Cycadopsida
Descriptor in Spanish: Cycadopsida
Descriptor in Portuguese: Cycadopsida
Descriptor in French: Cycadopsida
Entry term(s): Cycadale
Cycadales
Cycadophyta
Cycadophytas
Gymnosperm
Gymnosperms
Tree number(s): B01.650.940.800.575.156
Scope note: A class of vascular seed plants also known as gymnosperms in the subdivision spermatophytina. They have large cones and pinnate leaves. Examples are pines, spruces, cedars and sequoias.
Allowable Qualifiers: AE adverse effects
AH anatomy & histology
CH chemistry
CL classification
CY cytology
DE drug effects
EM embryology
EN enzymology
GD growth & development
GE genetics
IM immunology
ME metabolism
MI microbiology
PH physiology
PO poisoning
PS parasitology
RE radiation effects
TO toxicity
UL ultrastructure
VI virology
History Note: 2018(2003); use GYMNOSPERMS 1998-2002
DeCS UI: 37242
Descriptor UI: D032462
Date Established: 2003/01/01
Date of Entry: 2002/07/03
Revision Date: 2018/07/01
Cycadopsida - Preferred
Concept UI M0471152
Scope note A class of vascular seed plants also known as gymnosperms in the subdivision spermatophytina. They have large cones and pinnate leaves. Examples are pines, spruces, cedars and sequoias.
Preferred term Cycadopsida
Entry term(s) Cycadophyta
Cycadophytas
Gymnosperm
Gymnosperms
Cycadales - Narrower
Concept UI M0471153
Scope note A plant order of Cycadopsida.
Preferred term Cycadales
Entry term(s) Cycadale



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