knobcone pine vs Pinus attenuata

knobcone pine and Pinus attenuata both are nouns.

Word	Noun	Adjective	Verb	Adverb
knobcone pine	Yes	No	No	No
Pinus attenuata	Yes	No	No	No

As nouns, knobcone pine and Pinus attenuata are synonyms defined as:

knobcone pine and Pinus attenuata: medium-sized three-needled pine of the Pacific coast of the United States having a prominent knob on each scale of the cone

knobcone pine (noun)	Pinus attenuata (noun)
medium-sized three-needled pine of the Pacific coast of the United States having a prominent knob on each scale of the cone	medium-sized three-needled pine of the Pacific coast of the United States having a prominent knob on each scale of the cone