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Completely Arbortrary cover art

All Episodes

Completely Arbortrary — 297 episodes

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Title
1

Spoonful of Sugar (Noni)

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2

Milkshakes (Western Red Cedar)

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3

Fancy Timbers (Cedar of Lebanon)

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4

What's in a Name? A Lot (Ghost Pine)

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5

Only the Lonely (Kentucky Coffeetree)

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6

Sakura, Hanami, Shinto, Kami (Japanese Cherry)

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7

Chock-Full of Deadly Poison (Sea-Mango)

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8

Fruit That Serves Itself (Passionfruit)

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9

Night Vision (Honey Locust)

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10

Situationship (Trumpet Tree)

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11

That's the Game of the Name (Nootka Cypress)

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12

Pirate's Booty (Coco-de-Mer)

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13

Silk Road Kill (White Mulberry)

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14

Das Root (Sassafras)

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15

Boioioioing (Rubber)

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16

Death Row Chocolate Milk (Cacao)

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17

Positively Petrified (Rainbow Wood)

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18

Shinto My God! (Sakaki)

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19

Hades! Hades! Hades! (English Yew)

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20

Episode III: Revenge of the Pith (Douglas-fir 3)

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21

Wood Vibrations (Wild Whiskey Cherry)

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22

BONUS EPISODE: Trees of the Deserts

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23

Anastasianism (Siberian Stone Pine)

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24

How Casey Learned to Stop Worrying and Love the Apple (Apple 3)

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25

Are You There, Fog? (Coast Redwood 2)

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26

Reinventing the (Wheel Tree)

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27

Even Older Growth (Western Juniper 2)

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28

Renaissance Tree (Superb Schima)

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29

Cones on the Spectrum (Celerytop-Pine)

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30

Evolutionary Naïveté (Blue Ash)

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31

Bird Influence (Limber Pine)

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32

Burning Hot Fresh Root News (Scots Pine)

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33

It's The End of Completely Arbortrary (As We Know It)

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34

How Water Moves Through Trees (Oyster Bay-Pine)

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35

Underplanted, Underrated, Underappreciated (Japanese Pagodatree)

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36

Ivory & (Ebony)

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37

The Odysseed (Lotus Tree)

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38

Holiday Merch Sale + Urban Trees and Racism

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39

BONUS EPISODE: Fungus in the Fall

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40

Splitting Facts (Weeping Juniper)

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41

Goin' Thig Mode (Fraser Fir)

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42

Deal with the Devil (Bigleaf Magnolia)

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43

Lil' Apple Make This Horse Go Crazy (Manzanilla de la Muerte)

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44

Mummy and Me (Coffintree)

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45

Creature from the Black Tea Lagoon (Swamp Tupelo)

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46

Sectored Architecture (Rocky Mountain Bristlecone Pine)

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47

Pavlova (The Fruit That Serves Itself)

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48

Zwetschgenkuchen (European Plum)

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49

Baesuk (Asian Pear)

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50

Baklava (Pistachio)

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51

Buzz Pollination (Bigberry Manzanita)

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52

BONUS EPISODE: What is Bark? + Alex's Hawaiian Adventure

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53

BONUS EPISODE: What is Soil? + Casey's Throat Catastrophe

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54

All Trees Go To Heaven (American Beech)

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55

Keyaki (Japanese Zelkova)

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56

Insultivar (Chokecherry)

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57

Dial M for (Maxipiñon)

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58

Zombie Survivors (Vietnam Cypress)

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59

There's Always Money in the (Banana Tree)

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60

The Lean (Cook Island Pine)

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61

The New Mahogany (Ipê)

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62

BONUS EPISODE: Treeasy Listening #1

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63

Parthenocarpy (Paperbark Maple)

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64

Trunk Drawer (Governor's Plum)

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65

Bean Leaves in Bondage (Silk Tree)

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66

Reversion Therapy (White Spruce)

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67

Fight Shrub (Butternut)

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68

What a (Knobcone Pine)!

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69

Anomalous Secondary Growth (Ombú)

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70

Golden Cone Ratio (Austrian Black Pine)

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71

BONUS: Lord of the Tree Rings Marathon

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72

Inside Sprout: Joy (Money Tree)

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73

Inside Sprout: Sadness (Weeping Cherry)

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74

Inside Sprout: Anger (Jeffrey Pine)

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75

Inside Sprout: Fear (Silver Maple)

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76

Inside Sprout: Disgust (Black Locust)

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77

Ball is Life (Rubber)

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78

Little Kid (Balsa)

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79

The Chipko Movement (Banj Oak)

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80

Parent Earth (Sitka Spruce)

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81

Low-Hanging Fruit (Jaboticaba)

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82

Clickbait Tree (Walking Palm)

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83

Ironheart (ʻŌhiʻa Lehua)

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84

Artificial Instemination (Florida Torreya)

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85

SEEDPOD: Whittlin' with Justin Davies

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86

Christmas in Australia (Moodjar)

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87

Myrrh & (Frankincense)

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88

That Hummock Life (Gumbo-Limbo)

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89

Worm! Worm! Worm! (Yellow Birch)

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90

Yerba-maté (Gourd Herb)

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91

Life Goes On (Curlleaf Mountain-Mahogany)

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92

A Place for Everything (Keteleeria)

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93

Larchy Bark and the Trunky Bunch (Golden-Larch)

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94

NOT A MANGO, DO NOT EAT (Sea-Mango)

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95

Stung By Thirty Wasps (Giant Stinging Tree)

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96

Parenchyma Schmarenchyma (Boojum Tree)

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97

The 𝘹 Files (Munz Oak)

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98

Sitting Under a (Western Sycamore)

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99

Dam! (China-Fir)

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100

SEEDPOD: Alie Ward from OLOGIES

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101

Yellow Die (American Smoketree)

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102

Weirder Sex (Striped Maple)

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103

A Tale of Two Houses (English Holly)

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104

Let Your Neighbors See You Naked! (Leyland Cypress)

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105

Smokey Bad (Western White Pine)

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106

Xiāngfěi (Chinese-Nutmeg)

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107

Sweet Pea (Tamarind)

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108

Banana Sundae (Ice-Cream Bean)

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109

Chewing Gum (Sapodilla)

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110

Ants and Fungiculture (Almécega)

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111

What is Photosynthesis?

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112

Weird Sex (Black Tree Fern)

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113

The City That Trees Built (European Alder)

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114

The Book of Casey

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115

Superiority Complex (White Fir)

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116

Age of Deceit (Alerce)

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117

When Good Trees Go Bad (Laurel Oak)

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118

BONUS EPISODE: What is a Leaf?

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119

7 Deadly Stems: ENVY (Giant Bamboo)

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120

7 Deadly Stems: PRIDE (Ohio Buckeye)

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121

7 Deadly Stems: GREED (Russian-Olive)

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122

7 Deadly Stems: WRATH (Bullhorn Acacia)

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123

7 Deadly Stems: GLUTTONY (Common Fig)

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124

7 Deadly Stems: SLOTH (Weeping Willow)

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125

SEEDPOD with David Allen Sibley
126

7 Deadly Stems: LUST (Coco-de-Mer)

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127

There's No Gum Like (Snow Gum)

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128

Feeling Rusty (Western Serviceberry)

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129

Kissing Cousins (Rocky Mountain Pine)

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130

TREEMIUM EPISODE: Renaming Nature

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131

S.A.D. (Witch-Hazel)

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132

Welcome to the Jungle (Brazil Nut)

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133

Native-Invasive (Western Juniper)

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134

SEEDPOD: Phyllis Reynolds, Portland Tree Legend
135

What is Arboriculture? (European Horsechestnut)

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136

Parasite (This Week's Tree)

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137

The Birds & The Trees (Rimu)

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138

Podocarps (Totara)

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139

Butterfly Talk! (Oyamel)

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140

Princess Mononoke (Hinoki)

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141

Nausicaä of the Valley of the Wind (Japanese Fir)

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142

My Neighbor Totoro (Camphor)

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143

Spirited Away (Sakaki)

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144

The Future of Completely Arbortrary

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145

BONUS EPISODE - Treeyazaki Trailer, Big Announcement, & Appendices

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146

Preservation (Incense-Cedar)

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147

Conservation (Oregon Myrtle)

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148

Invasion of the Gaudy Statures (Norway Maple)

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149

Poppin' Bottles (Cork Oak)

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150

Fun Facts (Ghost Pine)

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151

The Stick Sense (Honey Locust)

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152

Laurisilva (Canary Island Laurel)

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153

BONUS EPISODE - Anthropomorphism
154

Disney & Land (Canary Island Date Palm)

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155

SWEET NEEM! (Curry Leaf Tree)

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156

Call Me By Your Neem (Margosa)

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157

Extinct in the Wild (Franklinia)

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158

Michael Rizo (Sourwood)

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159

Ms. Bee Haven (Silver Linden)

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160

The Loneliest Tree (Sahara Cypress)

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161

Cool Dudes, Hot Chicks (Beach Sheoak)

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162

BONUS EPISODE - Anthropomorphism

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163

Jaya Sri Maha Bodhi (Sacred Fig)

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164

Avenue of the Baobabs (Baobab)

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165

Cotton Tree of Freetown (Kapok)

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166

Árbol Del Tule (Montezuma Cypress)

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167

Perpetual Popularity (Colorado Blue Spruce)

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168

Desert Darling (Blue Palo Verde)

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169

The Other Wood Talk (Alaska Yellow-Cedar)

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170

If You Like Paniculatas (Golden Raintree)

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171

Wood Talk (Northern Red Oak)

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172

Great Malus (Apple 2)

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173

Northern White-Cedar (Arborvitae 2)

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174

水杉 (Dawn Redwood 2)

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175

Episode II: Attack of the Cones (Douglas-fir 2)

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176

BONUS EPISODE - How Do Trees Die?

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177

Botreemian Sapsody (Kentucky Coffeetree)

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178

Burnt Wood Plank (Sugi)

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179

Arboreal Corn (Monterey Pine)

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180

Under The Tree (Jarrah)

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181

Wet Hot American Lumber (Eastern White Pine)

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182

Queen of the Canoe Crops (Noni)

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183

The Tree's Knees (Bald Cypress)

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184

BONUS EPISODE - Non-Tree Food-Tree Food

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185

Late SUCCESSION (Yellow Carabeen)

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186

Mid SUCCESSION (Red Alder)

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187

Early SUCCESSION (Staghorn Sumac)

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188

Never Tell Me The Odds (Koa)

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189

Two Fir One (Subalpine Fir & Noble Fir)

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190

Sir Joseph Banks (Bull Banksia)

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191

Conifer Wonderland (Brewer Spruce)

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192

Everytree Everywhere All At Once (Red Maple)

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193

Once And Future Quing (Quince)

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194

Triangle of Citrus (Mandarin Orange)

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195

Big Nuts (Pecan)

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196

Monopoly: Portuguese Edition (Cinnamon)

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197

BONUS EPISODE - Fungal Associated Press: Tree Truths & A Lie

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198

Acorn-Eaters (White Oak)

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199

Green Pegs And CAM (Saguaro Cactus)

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200

The Tree Before Time 2 (Wollemi Pine)

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201

Rock Me, Mama (Longleaf Pine)

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202

Trunkenstein's Monster (Rainbow Wood)

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203

Shrikopath (Thorn Mimosa)

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204

Birdcatcher (Pisonia)

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205

Liquid Amber Flows From It (Sweetgum)

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206

BONUS EPISODE - Patreon Revamp & What is Phenology?

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207

The BLM (Bigleaf Maple)

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208

AKA (Serviceberry)

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209

BONUS EPISODE - Tree Trek: Spring Day

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210

Big Time Aroma (Indian Sandalwood)

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211

Keystone Species (Whitebark Pine)

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212

Ant Talk (Trumpet Tree)

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213

Koyamaki (Japanese Umbrella-Pine)

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214

Archaeondronology (Andean Alder)

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215

The Suburbs (Purple Leaf Plum)

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216

Queuña (Andean Paper Tree)

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217

The Cult of St. Francis (Judas Tree)

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218

Why-Would-You-Live-There-ness (Madrone)

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219

Heavy Heaven & The Infamous Air (London Planetree)

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220

Wrongfully Scorned, Rightfully Wronged (Black Cottonwood)

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221

Dagger of the Desert (Joshua Tree)

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222

There Be Monocots (Socotra Dragon Blood Tree)

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223

"Tree" (Chinese Windmill Palm)

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224

Trees Are The Champions, My Friends (Tuliptree)

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225

Drupe Fruit Riot (Peach)

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226

Please Send Us Pawpaws! (Pawpaw)

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227

Take a Twenty, Leave a Penny (Dogwood)

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228

The Mothrix (White Mulberry)

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229

A Tragic Beauty (Southern Live Oak)

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230

BONUS EPISODE - Arbortrary Shorts (feat. Lizzie Falconer & Jen Thomas from Shorts.)

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231

The Lord of the Tree Rings, Part Three: Specimen Tree of Gondor (Stewartia)

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232

The Lord of the Tree Rings, Part Two: Białowieża (Norway Spruce)

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233

The Lord of the Tree Rings, Part One: Concerning Tree Care (Pedunculate Oak)

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234

You Can Grow Your Own Way (Southern Catalpa)

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235

Umwelt (Italian Cypress)

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236

It's Complicated (Paper Birch)

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237

Amazing Technicolor Dreamtree (Rocky Mountain Juniper)

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238

The Other Biggest Tree (Coast Redwood)

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239

The Biggest Tree (Giant Sequoia)

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240

Shagadelic, Baby! (Shagbark Hickory)

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241

Graveyardery (English Yew)

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242

Mastodon! (Osage Orange)

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243

Elven Beauty (European Beech)

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244

Trees Become Alligators (Japanese Black Pine)

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245

BONUS EPISODE - We Three Drinks (Coffee, Hops, & Grapes)

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246

Food of the Gods (Cacao)

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247

Luxuriance of Funguous Flesh (Meyer Lemon)

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248

OG: Original Goop (Sassafras)

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249

The Colossus (Olive)

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250

To Tree or Not to Tree (Filbert)

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251

The Fruit of Life and Death (Pomegranate)

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252

Pinus Delicious (Pinyon Pine)

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253

Monopoly: Dutch Edition (Nutmeg)

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254

The Saddest Nut (Almond)

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255

Goodfungus (Holm Oak)

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256

Wicked Itchy Rashes (Mango)

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257

Chris P. Ness (Apple)

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258

BONUS EPISODE - Completely Arbortrary: Plant-Based Diet - Season 4 Trailer & "Fungal Associates"

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259

F.L.C.T. (Green Ash)

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260

Wilsonville Bee Kill (Littleleaf Linden)

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261

The Widowmaker (Coulter Pine)

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262

Old, But Still Lit (Bristlecone Pine)

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263

The Return of the King (American Chestnut)

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264

The Milkshake Analogy (Western Red Cedar)

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265

Nurse! (Western Hemlock)

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266

Tree of Hell (Tree of Heaven)

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267

Ulmus De Niro (American Elm)

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268

Under(dog)story (Japanese Maple)

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269

iSpread (Quaking Aspen)

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270

C-Men (Bradford Pear)

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271

BONUS EPISODE - Completely Arbortrary: Classic - Season 3 Trailer & "What is a Tree?"

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272

Mangroves on Mangroves on Mangroves (Red Mangrove)

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273

Insect That's Sensitive to Scents (Mountain Ash Eucalyptus)

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274

Knotty Yacht (European Larch)

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275

You Say Tomato, I Say (Jacaranda)

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276

Lothlórien (Kauri)

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277

The Drunken Forests (Black Spruce)

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278

Strangler Than Figtion (Banyan)

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279

God's Wood (Cedar of Lebanon)

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280

Giravves (Umbrella Thorn)

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281

Faerie Talk (Common Hawthorn)

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282

Painting With Nature (Japanese Cherry)

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283

Pehuén (Monkey Puzzle)

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284

Completely Arbortrary: World Tour!
285

The Perfect Flower (Southern Magnolia)

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286

Yee-Haw! (Ponderosa Pine)

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287

Liquid Sunshine (Sugar Maple)

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288

New Roots, New Shoots (Black Willow)

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289

Death by 1,000 Beetles (Lodgepole Pine)

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290

Street Tree Manifesto (European Hornbeam)

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291

met-a-se-KOY-a glyp-to-stro-BOY-des (Dawn Redwood)

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292

The Tree Before Time (Ginkgo)

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293

Jupiter's Nut! (Black Walnut)

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294

Terrible, Horrible, No Good, Very Bad Tree (Arborvitae)

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295

Squirrel Talk (Oregon White Oak)

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296

Episode I: The Phantom Fir (Douglas-fir)

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297

Completely Arbortrary: The Trailer!