A few New Mexico trees (including large shrubs)
Once I learned to recognize a few New Mexico wildflowers, my hiking buddies started asking "What kind of tree is that?" Um...
While species that go here may count as flowering plants, they're usually identified by their size, shape, leaves, etc. rather than by their flowers. Species are arranged alphabetically by English family name, genus, and species.
Beech Family: Gambel Oak, Quercus gambelii
Beech Family: Gray Oak, Quercus grisea
Beech Family: Shrub Live Oak, Quercus turbinella
Beech Family: Wavy-Leaf Oak, Quercus X undulata
Bignonia Family: Northern Catalpa, Catalpa speciosa
Cypress Family: AlligatorJuniper, Juniperus deppeana
Cypress Family: One-Seed Juniper, Juniperus monosperma
Cypress Family: Rocky Mountain Juniper, Juniperus scopulorum
Elm Family: Russian Elm, Ulmus pumila
Mulberry Family: White Mulberry, Morus alba
Oleaster Family: Russian Olive or Oleaster, Elaeagnus angustifolia
Olive Family: Stretchberry, Forestiera pubescens
Pea Family: Honey Locust, Gleditsia triacanthos
Pea Family: Black Locust, Robinia pseudoacacia
Pea Family: New Mexico Locust, Robinia neomexicana
Pine Family: Is it a fir (Abies) or a spruce (Picea)?
Pine Family: Pinyon, Pinus edulis
Pine Family: Ponderosa Pine, Pinus ponderosa
Rose Family: Hawthorn, Crataegus
Rue Family: Hoptree, Ptelea trifoliata
Quassia Family: Tree-of-Heaven, Ailanthus altissima
Soapberry Family: Bigtooth Maple, Acer grandidentatum
Soapberry Family: Box Elder, Acer negundo
Soapberry Family: Golden Rain-Tree, Koelreuteria paniculata
Tamarisk Family: Tamarisk, Salt Cedar, Tamarix
Willow Family: Cottonwood, Populus deltoides
Willow Family: Quaking Aspen, Populus tremuloides
Willow Family: Willow, Salix