Phylum:

Bryophyta

Class:

Bryopsida

Key Characteristics:

Non-vascular, grow in clumps

Photo Credit: Sarah Hummel

Phylum:

Pterophyta

Class:

Pteridopsida

Key Characteristics:

Seedless, vascular, stands upright

Photo Credit: Eric Guinther

Phylum:

Coniferophyta

Class:

Pinaceae

Key Characteristics:

All trees and shrubs, cone-bearing, seeded

Photo Credit: Sarah Hummel

Phylum:

Anthophyta

Class:

Monococyledon

Key Characteristics:

Flowering, seeds produced in specialized chambers

Photo Credit: Sarah Hummel