- [Douglas Fir](#douglas-fir-_pseudotsuga-menziesii_)
- [Ponderosa Pine](#ponderosa-pine-_pinus-ponderosa_)

### Douglas Fir (_Pseudotsuga menziesii_)

- An evergreen conifer ("cone bearing") rather than a true fir
- Needles and cones
- Conifer with greatest north-south range, stretching from northern British Columbia to Mexico
- Named after botanist David Douglas
  <figure>
    <img
      width="248"
      alt="A forest of Douglar Firs next to a dirt trail"
      src="https://upload.wikimedia.org/wikipedia/commons/a/a9/Douglas_Fir_Forest_%2810334942653%29.jpg"
    />
    <figcaption>
      A forest of Douglas Firs. <a href="#douglas-fir">[1]</a>
    </figcaption>
  </figure>

### Ponderosa Pine (_Pinus ponderosa_)

- Dark brown bark at young age
- Cinnamon reddish bark after 90 years
- Needles in sets of 3
- Lives up to 400 years
  <figure>
    <img
      width="248"
      alt="A young ponderosa pine tree (subspecies benthamiana) standing in Pine Creek Valley"
      src="https://upload.wikimedia.org/wikipedia/commons/3/39/Pinus_ponderosa_subsp_benthamiana_young_tree_Pine_Creek_Valley.jpg"
    />
    <figcaption>
      A young Ponderosa Pine. <a href="#ponderosa-pine">[1]</a>
    </figcaption>
  </figure>

<figure>
  <img
    width="248"
    alt="A mature ponderosa pine tree"
    src="https://upload.wikimedia.org/wikipedia/commons/b/bc/Red_hue_of_ponderosa_pine_country_%287967327136%29.jpg"
  />
  <figcaption>
    The reddish bark of a mature Ponderosa Pine. <a href="#ponderosa-pine">[2]</a>
  </figcaption>
</figure>

### Sources

##### Douglas Fir

1. <a href="https://commons.wikimedia.org/wiki/File:Douglas_Fir_Forest_(10334942653).jpg">
     Oregon Caves from Cave Junction, USA
   </a>
   , <a href="https://creativecommons.org/licenses/by/2.0">CC BY 2.0</a>, via Wikimedia Commons

##### Ponderosa Pine

1. <a href="https://commons.wikimedia.org/wiki/File:Pinus_ponderosa_subsp_benthamiana_young_tree_Pine_Creek_Valley.jpg">
     USFS Region 5
   </a>
   , <a href="https://creativecommons.org/licenses/by/2.0">CC BY 2.0</a>, via Wikimedia Commons

2. <a href="https://commons.wikimedia.org/wiki/File:Red_hue_of_ponderosa_pine_country_(7967327136).jpg">
     Robert Ashworth
   </a>
   , <a href="https://creativecommons.org/licenses/by/2.0">CC BY 2.0</a>, via Wikimedia Commons

Trees

Douglas Fir (Pseudotsuga menziesii)

Ponderosa Pine (Pinus ponderosa)

Sources

Douglas Fir

Ponderosa Pine