Butterflies in Mind -- Zinnia
Susan C. Dunlap
A collection of 50 images as if seen from a butterfly’s point of view. Includes the names of native Zinnia species and the most complete list of US butterflies that will feed on Zinnia blossoms.
Butterflies in Mind -- Asclepias
Susan C. Dunlap
“Milkweed is the single most important plant for Monarch butterflies. This lavishly illustrated book contains details about the structure and cultivation of native Milkweeds, information about the 139 nectar-feeding butterflies they...
Butterflies in Mind -- Monarch
Susan C. Dunlap
This abundantly illustrated volume enables you to select from a complete list of well described perennial nectar plants that are known to attract & feed Monarch butterflies. Over 40 genera are described that are suitable to be grown...
Butterflies in Mind -- Perennials
Susan C. Dunlap
Butterflies in Mind - Perennials. This book is a definitive guide to perennial nectar plants preferred by US butterflies. It empowers you to feed, attract, support (and help identify) nectar-feeding butterflies that reside in the US....

Mastor cassus

Common name: Cassus Roadside Skipper

Feeds on these plants:

Asclepias angustifolia

Asclepias asperula

Asclepias curassavica
(sold as Silky Deep Red)

Asclepias curassavica
(sold as Silky Gold)

Asclepias fascicularis

Asclepias hallii

Asclepias incarnata

Asclepias perennis

Asclepias purpurascens

Asclepias quadrifolia

Asclepias speciosa

Asclepias subulata

Asclepias syriaca

Asclepias tuberosa

Asclepias viridiflora

Cirsium altissimum
(sold as Thistle)

Cirsium arvense
(sold as Thistle)

Cirsium hilli
(sold as Thistle)

Cirsium muticum
(sold as Thistle)

Cirsium nuttalii
(sold as Thistle)

Cirsium occidentale
(sold as Thistle)

Cirsium species
(sold as Thistle)

Cirsium vulgare
(sold as Thistle)

Lithospermum caroliniense

Pelargonium cordifolium

Pelargonium graveolens

Pelargonium peltatum

Pelargonium peltatum
(sold as Caliente Deep Red)

Pelargonium peltatum
(sold as Global Pink Pearl)

Pelargonium quercifolium

Pelargonium sidoides

Pelargonium x domesticum

Pelargonium x hortorum

Pelargonium x hortorum
(sold as Pink Fizz)

Pelargonium x hortorum
(sold as Regal Burgundy)

Pelargonium x hortorum
(sold as Rocky Mountain Light Salmon)

Pelargonium x hortorum
(sold as White Splash)

Pelargonium x hortorum
(sold as Zonals)

Pelargonium
(sold as 11 Elegance)

Pelargonium
(sold as Peppermint Geranium)

Pelargonium
(sold as Stardom Series)

Raphanus raphanistrum

Raphanus sativus
(sold as April Cross)

Raphanus sativus
(sold as Cabernet)

Raphanus sativus
(sold as Cherry Belle)

Raphanus sativus
(sold as China Rose)

Raphanus sativus
(sold as Chinese White)

Raphanus sativus
(sold as Comet)

Raphanus sativus
(sold as Crunchy Royale)

Raphanus sativus
(sold as Early Scarlet Globe)

Raphanus sativus
(sold as French Breakfast)

Raphanus sativus
(sold as Icicle)

Raphanus sativus
(sold as Long White Icicle)

Raphanus sativus
(sold as Masato Green)

Raphanus sativus
(sold as Masato Red)

Raphanus sativus
(sold as Minowase Early daikon)

Raphanus sativus
(sold as Ping Pong)

Raphanus sativus
(sold as Pink Beauty)

Raphanus sativus
(sold as Red Boy)

Raphanus sativus
(sold as Red Meat)

Raphanus sativus
(sold as Round Black Spanish)

Raphanus sativus
(sold as Sakurajima Mammoth)

Raphanus sativus
(sold as Scarlet Globe)

Raphanus sativus
(sold as Snow Belle)

Raphanus sativus
(sold as Sparkler)

Raphanus sativus
(sold as Szechuan Red)

Raphanus sativus
(sold as Tama)

Raphanus sativus
(sold as burpee white)

Raphanus sativus
(sold as champion)

Raphanus sativus
(sold as cherriette)

Raphanus sativus
(sold as lady slipper)

Raphanus sativus
(sold as plum purple)

Raphanus sativus
(sold as scarlet knight)

Raphanus sativus
(sold as summer cross)

Salvia africana-lutea

Salvia apiana

Salvia ballotiflora

Salvia blepharophylla

Salvia brandegei

Salvia buchananii

Salvia cacaliifolia

Salvia canariensis

Salvia chamaedryoides

Salvia chiapensis

Salvia cleveladii, or clevelandii

Salvia clevelandii

Salvia coahuilensis

Salvia coccinea ‘Brenthurst’

Salvia coccinea ‘Lady In Red’

Salvia coccinea
(sold as May Night)

Salvia coccinea
(sold as Rose Queen)

Salvia coccinea
(sold as Select Rose)

Salvia coerulea

Salvia confertiflora

Salvia discolor

Salvia dolomitica

Salvia elegans

Salvia elegans
(sold as Golden Delicious)

Salvia farinacea

Salvia fruticosa

Salvia fulgens

Salvia gesneriiflora

Salvia glechomifolia

Salvia greggii

Salvia greggii ‘Navajo Bright Red’

Salvia greggii ‘Navajo White’

Salvia greggii ‘Sierra San Antonio’

Salvia greggii
(sold as watermelon Autumn Sage pink)

Salvia hians

Salvia hybrid

Salvia indica

Salvia involucrata
(sold as El Cielo)

Salvia leucantha

Salvia leucantha ‘Santa Barbara’

Salvia leucophylla

Salvia longispicata

Salvia mellifera

Salvia mexicana

Salvia microphylla

Salvia microphylla ‘Hot Lips’

Salvia microphylla
(sold as Bezerkeley)

Salvia microphylla
(sold as Rosita)

Salvia microphylla
(sold as ucb pink)

Salvia munzii

Salvia nemorosa

Salvia nemorosa ‘Sensation Rose’

Salvia nemorosa
(sold as Viola Klose)

Salvia officinalis ssp. lavandulifolia

Salvia officinalis

Salvia officinalis ‘Icterina’

Salvia officinalis ‘Purpurascens’

Salvia officinalis ‘Tricolor’

Salvia pachyphylla

Salvia patens

Salvia pozo blue

Salvia pratensis

Salvia regla

Salvia roemeriana

Salvia sclerea

Salvia sinaloensis

Salvia spathacea

Salvia species

Salvia splendens

Salvia splendens ‘Salsa Purple’

Salvia uliginosa

Salvia urica

Salvia verticillata ‘Purple Rain’

Salvia viridis

Salvia wagneriana

Salvia x jamensis

Salvia x sylvestris

Salvia x sylvestris
(sold as Snowhill)

Salvia ‘Indigo Spires’

Salvia ‘Waverly’

Salvia
(sold as Blue Victory)

Salvia
(sold as Red Hot Sally)

Salvia
(sold as Salsa Purple)

Salvia
(sold as Verona)

Trifolium hybridum

Trifolium incarnatum

Trifolium pratense

Trifolium repens

Trifolium repens
(sold as Atropurpureum)

Trifolium rubens

Verbena bonariensis

Verbena hastata

Verbena hybrid
(sold as Quartz scarlet)

Verbena hybrid
(sold as Sparkler Purple & White)

Verbena hybrid
(sold as Sparkler Red & White)

Verbena hybrid
(sold as Sparkler Sky Blue & White)

Verbena hybrid
(sold as Tapien Pink)

Verbena lilacina

Verbena rigida 'polaris'

Verbena rigida polaris

Verbena rigida

Verbena stricta

Verbena ‘Homestead Purple’

Verbena
(sold as Aztec Cherry Red)

Verbena
(sold as Aztec Light Pink)

Verbena
(sold as Aztec Pearl)

Verbena
(sold as Aztec Raspberry)

Verbena
(sold as Aztec White Magic)

Verbena
(sold as Babylon Deep Pink)

Verbena
(sold as Sparkler Purple & White)

Verbena
(sold as Sparkler Sky Blue & White)

Verbena
(sold as Tukana White)

Verbena
(sold as x hybrida Taylortown Red)

Mastor cassus, the Cassus Roadside Skipper, can be found in AZ,NM,TX, and CA.
Favorite nectar plants include: Asclepias, Cirsium, Pelargonium, Salvia, and Verbena
USDA Growing Zones for these plants include: 3,4,5,6,7,8,9,10,11

Host plants:
unknown