Jack Dykinga / Mount McKinley and Black Spruce trees (Picea mariana) viewed from Wonder Lake, Denali National Park, Alaska

Jack Dykinga / Aurora Borealis above taiga wetlands. Black spruce (Picea mariana) and Larch (Larix) on horizon. Northwest Territories, Canada. September 2018.

David Fleetham / Beach and hotels along coastline, aerial image. Tumon Bay, Guam, Mariana Islands, Micronesia. September 2017.

David Fleetham / Three people on stand-up paddle boards over reef. Piti Bay, Guam, Mariana Islands, Micronesia.

Pascal Kobeh / A diver on the Mariana wreck, Paros Island, Greece, Aegean Sea

Pascal Kobeh / A diver on the Mariana wreck, Paros Island, Greece, Aegean Sea

Pascal Kobeh / A diver on the Mariana wreck, Paros Island, Greece, Aegean Sea

Nick Upton / Horse fly (Pangonius funebris), a carpenter bee mimic, using its long proboscis to forage on Milk thistle (Carduus marianus), Lesbos / Lesvos, Greece, May.

Nick Upton / Lesbian / Balkan marbled white (Melanarge larissa lesbina) feeding from Milk thistle (Silybum marianum = Carduus marianum) near the coast, Lesbos / Lesvos, Greece, May.

Nick Upton / Lesbian / Balkan marbled white (Melanarge larissa lesbina) feeding from Milk thistle (Silybum marianum = Carduus marianum) alongside a Burnet moth (Zygaena punctum), Lesbos / Lesvos, Greece, May.

Jim Brandenburg / Black Spruce (Picea mariana) forest, Minnesota

Brent Stephenson / Male Common drone fly (Eristalis tenax) on a Variegated / Milk thistle (Silybum marianum) flower, Cape Kidnappers, Hawkes Bay, New Zealand, November.

Doug Perrine / Ocellated eagle ray (Aetobatus ocellatus) at Eagle Ray City, Saipan, Northern Mariana Islands.

Doug Perrine / Ocellated eagle ray (Aetobatus ocellatus) at Eagle Ray City, Saipan, Northern Mariana Islands.

Doug Perrine / Ocellated eagle ray (Aetobatus ocellatus) accompanied by Whitemargin unicornfish (Naso annulatus) at Eagle Ray City, Saipan, Northern Mariana Islands.

David Noton / Alpine meadows with Black spurce trees (Picea mariana) near Fraser, South Klondike Highway, British Coloumbia, Canada, September 2013.

Jean E. Roche / Milk thistle (Silybum marianum) seeds, Camargue, France, October.

Konstantin Mikhailov / River flowing through Black spruce (Picea mariana) and White spruce (Picea glauca) forests, Dalton Highway south of Brooks Range and north off Coldfoot, Alaska, USA, September 2009

Yva Momatiuk & John Eastcott / Black Spruce (Picea mariana) grove, Denali National Park, Alaska

Luiz Claudio Marigo / Sao Francisco de Assis Church, the whipping-post (Pillory) and the Nossa Senhora do Carmo Church, in Minas Gerais Square, in Mariana town, Minas Gerais State, southastern Brazil. March 2010

Yva Momatiuk & John Eastcott / Black Spruce (Picea mariana) trees covered with snow in boreal forest, Alaska

Michael Quinton / Common Redpoll (Carduelis flammea) male on Black Spruce (Picea mariana), Alaska

Michael Quinton / Common Redpoll (Carduelis flammea) female on Black Spruce (Picea mariana), Alaska

Scott Leslie / Reindeer Moss (Cladonia rangiferina), Sheep's Laurel (Kalmia angustifolia), and Black Spruce (Picea mariana) at sunset, Canada

Scott Leslie / Black Spruce (Picea mariana) forest, Sandbanks Provincial Park, Newfoundland, Canada

Scott Leslie / Black Spruce (Picea mariana) forest, Gros Morne National Park, Newfoundland, Canada

Yva Momatiuk & John Eastcott / Black Spruce (Picea mariana) boreal forest and the Alaska Range, Denali National Park, Alaska

Yva Momatiuk & John Eastcott / Black Spruce (Picea mariana) boreal forest in autumn, Denali National Park, Alaska

Yva Momatiuk & John Eastcott / Black Spruce (Picea mariana) trees and cumulus clouds in autumn, Denali National Park, Alaska

Yva Momatiuk & John Eastcott / Black Spruce (Picea mariana) trees on fall tundra, Denali National Park, Alaska

Jack Dykinga / Mount McKinley reflected in Wonder Lake at sunset, with silhouetted Black Spruce (Picea mariana). Denali National Park, Alaska

Jack Dykinga / Sedge and Black Spruce trees (Picea mariana) surrounding marshes near Denali National Park, Alaska

Jack Dykinga / Mount Brooks reflected in Wonder Lake at sunset, with Black Spruce trees (Picea mariana). Denali National Park, Alaska

Yva Momatiuk & John Eastcott / Black Spruce (Picea mariana) at their northern most range in tundra in fall colors, mountain stream rushing down among boulders, and high rocky peaks in first snow, Brooks Range, arctic Alaska

Yva Momatiuk & John Eastcott / Dwarf Birch (Betula nana) and isolated Black Spruce (Picea mariana) trees with lichens and berry bushes in colorful tundra in autumn, Denali National Park, Alaska

Jack Dykinga / Black spruce (Picea mariana) in tundra habitat with snow covered Mount McKinley in the background, Denali NP, Alaska, USA

Nigel Bean / Aerial view over northern conifer forests, mainly black spruce {Picea mariana} Canadian Arctic

Pete Oxford / Cofan indian painting face with achiote, Amazonia, Ecuador, 2004 mariana Aguinda Dureno community

Pete Oxford / Cofan indian lighting fire Amazonia, Ecuador 2004. Feather through nose mariana Aguinda

Yva Momatiuk & John Eastcott / Black Spruce (Picea mariana) trees show effect of strong sea gales and severe northern climate creating tuckamore thicket, Gulf of St Lawrence, Gros Morne National Park, Newfoundland, Canada

Jim Brandenburg / Black Spruce (Picea mariana) forest, Ontario, Border Country, Canada

Jim Brandenburg / Black Spruce (Picea mariana) forest with moss-covered floor, Ontario, Border Country, Canada

Jim Brandenburg / Black Spruce (Picea mariana) forest interior, Minnesota

Jim Brandenburg / Black Spruce (Picea mariana) forest with Moose trail, Superior National Forest, Minnesota

Nigel Bean / Aerial view over northern conifer forests, mainly black spruce (Picea mariana), in winter. Near Goose Bay, Labrador, Canada

Benjamin Olson / Black Spruce (Picea mariana) trees in bog during storm, Minnesota

Yva Momatiuk & John Eastcott / Black Spruce (Picea mariana) forest in autumn with cumulus clouds, Upper Gnat Lake, British Columbia, Canada

Yva Momatiuk & John Eastcott / Black Spruce (Picea mariana) forest in autumn with cumulus clouds, Upper Gnat Lake, British Columbia, Canada

Jim Brandenburg / Black Spruce (Picea mariana) forest and melting spring snow, Minnesota

Nature Production / Ghost pipefish {Solenostomus cyanopterus} camouflaged in marine plant, Saipan, Northern Mariana Islands, pacific

Jim Brandenburg / Great Blue Heron (Ardea herodias) perched atop a Black Spruce (Picea mariana) tree in fog, Northwoods, Minnesota

Jack Dykinga / Black spruce (Picea mariana) trees silhouetted against the Aurora Borrelis across the night sky, Great Slave Lake, Northwest Territories, Canada. September.

Jack Dykinga / Cattails (Typha sp.) in marshland taiga lined with Black spruce (Picea mariana) in foggy morning light, Northwest Territories, Canada. September.

Paul Harcourt Davies / Milk thistle (Silybum marianum) flower head, Sibillini, Umbria, Italy. May.

Scott Leslie / Black Spruce (Picea mariana) and Balsam Fir (Abies balsamea) forest in winter, Cape Breton Highlands National Park, Nova Scotia, Canada

Benjamin Olson / Black Spruce (Picea mariana) forest along river, northern Minnesota

Loic Poidevin / Milk thistle (Silybum marianum) flower, Vendee, France, May

Loic Poidevin / Milk thistle (Silybum marianum) flower, Vendee, France, May

Robin Chittenden / Flatheaded pine borer (Chalcophora mariana) Mallorca, Spain, August.

Nick Upton / European sculpted pine borer / Flatheaded pine borer (Chalcophora mariana massiliensis) on pine tree bark, Mondrago Natural Park, Santanyi, Majorca, May.

Nick Upton / European sculpted pine borer / Flatheaded pine borer (Chalcophora mariana massiliensis) on pine tree bark, Mondrago Natural Park, Santanyi, Majorca, May.

David Fleetham / Aerial view of the pool and beach at the Outrigger Hotel on Tumon Bay, Guam, Micronesia, Mariana Islands, Pacific Ocean. September 2017.

David Fleetham / Aerial panorama of the north end of Tumon Bay with hotels and beach and Two Lovers Point, Guam, Micronesia, Mariana Islands, Pacific Ocean. September 2017.