Photos / Sounds

What

desert pincushion Chaenactis stevioides

Observer

rjadams55

Date

April 2, 2012

Description

Numerous Desert Pincushions were found in a wide sandy wash south of Cottonwood Springs. It was identified by the its unusual leaf structure and location.

Several species of pincushion are known from Joshua Tree National Park.

Photos / Sounds

What

flat-topped skeleton weed Eriogonum deflexum var. deflexum

Observer

rjadams55

Date

April 2, 2012

Description

This small Flatcrown Buckweat (family Polygonaceae) was one of several found in a wide,sandy wash south of Cottonwood Springs.

It was identified by its unusual shape and basal rosette of round, hairy leaves.

Photos / Sounds

What

roughleaf apricot mallow Sphaeralcea ambigua var. rugosa

Observer

rjadams55

Date

April 2, 2012

Description

Based on the plant's wrinkled leaves, this is the S. ambigua var. rugosa, also occasionally known as the Desert Globemallow. These plants were fairly common on rocky hillsides in the southern part of the park, south of Cottonwood Spring.

Photos / Sounds

What

Scarlet Milkvetch Astragalus coccineus

Observer

rjadams55

Date

April 3, 2012

Description

It's also known as Scarlet Locoweed. In California, this charismatic plant is found mainly in juniper woodlands in the southeastern portion of the state.

Photos / Sounds

What

Ocotillo Fouquieria splendens

Observer

rjadams55

Date

April 3, 2012

Photos / Sounds

What

chuparosa Justicia californica

Observer

rjadams55

Date

April 2, 2012

Description

The Chuparosa (also known as Beloperone) is found in sand and gravel washes in the Colorado and Sonoran Deserts. Its blossoms are important hummingbird flowers and it is one of only two species of the predominately tropical Acanthaceae native to California.

Photos / Sounds

What

desert mistletoe Phoradendron californicum

Observer

rjadams55

Date

April 2, 2012

Description

In the southern portions of Joshua Tree NP., many of the Catclaw Acacias (Acacia greggii) were infected with lconspicuous growths of Desert Mistletoe. The large berries of the mistletoe are one of the main food sources for the Phainopepla, a fairly common bird portions of the Colorado Desert.

Photos / Sounds

What

Creosote Bush Larrea tridentata

Observer

rjadams55

Date

April 2, 2012

Description

The Creosote Bush (family Zygophyllaceae) is an extremely common member of the Sonoran and Mohave Desert plant communities. I was fortunate enough to arrive in time to find multiple individuals in bloom.

This plant was on the edge of a dry wash south of Cottonwood Springs.

Photos / Sounds

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What

Viviparous Foxtail Cactus Escobaria vivipara

Observer

rjadams55

Date

April 3, 2012

Photos / Sounds

What

Cotton Top Cactus Echinocactus polycephalus

Observer

rjadams55

Date

April 2, 2012

Description

This cactus was found on a rocky ridge near Cottonwood Springs in the southern portion of Joshua Tree NP.

Photos / Sounds

What

Engelmann's Hedgehog Cactus Echinocereus engelmannii

Observer

rjadams55

Date

April 2, 2012

Description

Also known as Engelmann's Hedgehog Cactus, the Calico Cactus gets its name from its array of differently colored spines. Its a widespread and morphologically diverse species known from across much of southern and eastern California.

These individuals were found in rocky areas bordering expansive washes in the southern portion of Joshua Tree National Park.

Photos / Sounds

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What

Silver cholla Cylindropuntia echinocarpa

Observer

rjadams55

Date

April 2, 2012

Description

Silver Cholla (also known as Golden Cholla) were extremely common in the southern, lower elevation, gravely areas of Joshua Tree NP.

This individual was found near the Cottonwood Springs Campground.

Photos / Sounds

What

Silver cholla Cylindropuntia echinocarpa

Observer

rjadams55

Date

April 2, 2012

Description

Silver Cholla (also known as Golden Cholla) were extremely common in the southern, lower elevation, gravely areas of Joshua Tree NP.

Photos / Sounds

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What

Pencil Cholla Cylindropuntia ramosissima

Observer

rjadams55

Date

April 2, 2012

Description

Pencil Cholla were among the most common cacti in the gravely, raised areas around Cottonwood Spring in the lower elevation, Colorado Desert portion of the park.

Photos / Sounds

What

Beavertail Cactus Opuntia basilaris

Observer

rjadams55

Date

April 2, 2012

Description

Beavertail Cactus (family Cactaceae) were especially common in the southern, lower elevation portion of the park with many just coming into bloom.

These were found in gravely and rocky areas south of the Cottonwood Campground.

Photos / Sounds

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What

California Barrel Cactus Ferocactus cylindraceus

Observer

rjadams55

Date

April 2, 2012

Description

Several of these large, charismatic cacti were seen in the rocky areas of Joshua Tree NP south of Cottonwood Spring.

Photos / Sounds

What

Mojave Yucca Yucca schidigera

Observer

rjadams55

Date

April 3, 2012

Description

While Joshua Trees (Yucca brevifolia) dominate the higher elevation, more northerly section of the park (Mojave Desert), in the lower elevation Colorado, Desert Mojave Yucca were the most common large yucca. Occasionally similar, especially in young plants, Mojave Yucca have conspicuous fibers that peel off the edges of each leaf.

Photos / Sounds

Observer

rjadams55

Date

April 3, 2012

Description

This beargrass is a member of the family Asparagaceae (formally in Asparagaceae).

It can be told from the similar Parry's Beargrass (N. parryi) by its more greyish-green coloration and by the presences of fibers that shed from the sides of the leaves.

Photos / Sounds

What

California Fan Palm Washingtonia filifera

Observer

rjadams55

Date

April 3, 2012

Place

(Somewhere...)

Description

The California Fan Palm the largest palm tree native to the US and is the only palm tree endemic to the western United States. It is found almost entirely at desert seeps and springs were there is a permanent supply of underground water.

Photos / Sounds

What

Desert Metalmark Apodemia mormo ssp. deserti

Observer

xranger2013

Date

October 27, 2014

Description

A single individual was seen in the main wash adjacent to the park road south of the Cottonwood Visitor Center not far from the junction with Cottonwood Pass. Sweetbush (Bebbia sp.) is a good place to find local metalmarks.

Photos / Sounds

Square

What

Desert Metalmark Apodemia mormo ssp. deserti

Observer

xranger2013

Date

October 26, 2014

Description

A single individual was observed near Wood Spring. This species was frequently observed in both the Mojave and Colorado Desert portions of Joshua Tree National Park during October, 2014.

Photos / Sounds

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What

Honey Bee Apis mellifera

Observer

rjadams55

Date

April 2, 2012

Photos / Sounds

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What

screw bean Prosopis pubescens

Observer

rmedina

Date

August 15, 2013 07:33 PM EDT

Description

Prosopis pubescens

Photos / Sounds

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What

black cottonwood Populus trichocarpa

Observer

rmedina

Date

August 15, 2013 07:35 PM EDT

Photos / Sounds

What

California Fan Palm Washingtonia filifera

Observer

rmedina

Date

August 15, 2013 07:44 PM EDT

Place

(Somewhere...)

Photos / Sounds

Square

Observer

rjadams55

Date

April 2, 2012

Description

Several times I saw this moth take off from the ground and then return. It was seen in a large desert wash in the lower elevation portion of the southern part of the park, south of Cottonwood Spring.

Photos / Sounds

Square

What

Red-spotted Toad Anaxyrus punctatus

Observer

rjadams55

Date

April 1, 2012

Description

Found in the southern portion of Joshua Tree National Park at a small seep. One was seen and photographed while another called nearby.

Photos / Sounds

Square

What

Southern Desert Horned Lizard Phrynosoma platyrhinos ssp. calidiarum

Observer

rjadams55

Date

April 3, 2012

Photos / Sounds

What

Common Chuckwalla Sauromalus ater

Observer

rjadams55

Date

April 3, 2012

Photos / Sounds

Square

What

Ocotillo Fouquieria splendens

Observer

heathermarie

Date

April 10, 2014